/* =============================================================
   VETT Premium — style-premium.css
   Gộp chung CSS cho toàn bộ tính năng Premium
   Sections:
     1. CSS Variables (Premium tokens)
     2. Chat AI Sidebar
     3. Flashcard 3D
     4. Gamification Widgets
     5. Paywall Modal
   ============================================================= */


/* ═══════════════════════════════════════════════════════════════
   SECTION 1 — CSS VARIABLES (Premium tokens)
   ═══════════════════════════════════════════════════════════════ */
:root {
    /* Màu chủ đạo VETT (kế thừa / bổ sung nếu chưa có) */
    --color1: #00B6B7;
    --color2: #ee3f22;
    --color3: #891f6c;
    --bg-grad-45: linear-gradient(45deg, #ee8222 0%, #EE3F22 30%, #FFCD42 100%);
    --bg-grad-90: linear-gradient(90deg, #ee8222 0%, #EE3F22 30%, #FFCD42 100%);
    --Text-Primary-Text: #141414;
    --Text-Secondary-Text: #707070;
    --Text-Tertiary-Text: #708090;
    --Status-Valid: #00C763;
    --Status-InValid: #E03E3E;
    --Border-Primary-Border: #C2C2C2;
    --Border-Secondary-Border: #E0E0E0;
    --Background-Background: #F2F2F2;

    /* Spacing Premium */
    --premium-spacing-xs: 0.4rem;
    --premium-spacing-sm: 0.8rem;
    --premium-spacing-md: 1.6rem;
    --premium-spacing-lg: 2.4rem;
    --premium-spacing-xl: 3.2rem;

    /* Standard Spacing (used by gamification layout) */
    --spacing-xs: 0.3rem;
    --spacing-sm: 0.6rem;
    --spacing-md: 1.2rem;
    --spacing-lg: 1.8rem;
    --spacing-xl: 2.8rem;

    /* Animation */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    --chat-slide-in: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --card-flip-duration: 0.4s ease;
    --xp-float-up: 1.5s ease-out;
    --streak-fire-flicker: 0.5s infinite alternate;
    --level-up-scale: 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    --paywall-scale-in: 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);

    /* === NEW PREMIUM DESIGN TOKENS === */
    --primary: #EE3F22;
    --primary-2: #FF7A1A;
    --secondary: #00ADB5;
    --ai: #7C3AED;
    --success: #22C55E;
    --warning: #F59E0B;
    --danger: #EF4444;

    --bg: #F5F7FB;
    --card: #FFFFFF;
    --text: #111827;
    --muted: #6B7280;
    --border: #E5E7EB;

    --radius-sm: 1.2rem;
    --radius-md: 1.6rem;
    --radius-lg: 2.2rem;
    --radius-xl: 2.6rem;

    --shadow-card: 0 0.8rem 1.6rem rgba(15, 23, 42, 0.06);
    --shadow-card-hover: 0 1.6rem 3.2rem rgba(15, 23, 42, 0.12);
    --shadow-primary: 0 1.2rem 2.8rem rgba(238, 63, 34, 0.32);
    --shadow-ai: 0 1.6rem 4rem rgba(124, 58, 237, 0.10);
    
    /* Layout */
    --gamification-panel-width: 28rem;
    --gamification-panel-tablet: 24rem;
    --gamification-mobile-bar-height: 6.4rem;
    --z-gamification: 900;
    --streak-number-font: 2rem;
    --level-number-font: 1.6rem;
    --xp-label-font: 1.2rem;
    --xp-bar-height: 1rem;
}


/* ═══════════════════════════════════════════════════════════════
   SECTION 2 — CHAT AI SIDEBAR
   ═══════════════════════════════════════════════════════════════ */

/* === Overlay backdrop === */
.chat-sidebar-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.35);
    z-index: 1040;
}
.chat-sidebar-backdrop.is-open {
    display: block;
}

/* === Sidebar container === */
.chat-sidebar {
    position: fixed;
    top: 0;
    right: 0;
    width: var(--chat-sidebar-width);
    height: 100vh;
    background: #fff;
    box-shadow: -0.4rem 0 2.4rem rgba(0, 0, 0, 0.12);
    display: flex;
    flex-direction: column;
    z-index: 1050;
    transform: translateX(100%);
    transition: transform var(--chat-slide-in);
    border-radius: 1.6rem 0 0 1.6rem;
}
.chat-sidebar.is-open {
    transform: translateX(0);
}

/* Floating toggle button */
.chat-sidebar-toggle {
    position: fixed;
    bottom: 8.8rem;
    right: 1.6rem;
    width: 5.2rem;
    height: 5.2rem;
    border-radius: 50%;
    overflow: hidden;
    padding: 0.3rem;
    background: #fff;
    color: #fff;
    border: none;
    cursor: pointer;
    box-shadow: 0 0.4rem 1.6rem rgba(238, 63, 34, 0.35);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    z-index: 1039;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.chat-sidebar-toggle img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 50%;
}
.chat-sidebar-toggle:hover {
    transform: scale(1.08);
    box-shadow: 0 0.6rem 2rem rgba(238, 63, 34, 0.45);
}
.chat-sidebar.is-open ~ .chat-sidebar-toggle {
    display: none;
}

/* === Header === */
.chat-header {
    display: flex;
    align-items: center;
    padding: 1.2rem 1.6rem;
    border-bottom: 0.1rem solid var(--Border-Secondary-Border);
    gap: 1rem;
    min-height: 5.6rem;
    background: #fff;
    border-radius: 1.6rem 0 0 0;
}
.chat-header-avatar {
    width: 3.6rem;
    height: 3.6rem;
    border-radius: 50%;
    overflow: hidden;
    padding: 0.2rem;
    background: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.6rem;
    flex-shrink: 0;
}
.chat-header-avatar img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}
.chat-header-info {
    flex: 1;
    min-width: 0;
}
.chat-header-name {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--Text-Primary-Text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.chat-header-subject {
    font-size: 1.1rem;
    color: var(--Text-Secondary-Text);
}
.chat-header-close {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--Text-Secondary-Text);
    font-size: 1.8rem;
    padding: 0.4rem;
    border-radius: 0.4rem;
    line-height: 1;
}
.chat-header-close:hover {
    background: var(--Background-Background);
}

/* === Quota indicator === */
.chat-quota-indicator {
    padding: 0.6rem 1.6rem;
    background: var(--Background-Background);
    border-bottom: 0.1rem solid var(--Border-Secondary-Border);
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-size: 1.2rem;
    color: var(--Text-Secondary-Text);
}
.chat-quota-indicator .quota-dot {
    width: 0.8rem;
    height: 0.8rem;
    border-radius: 50%;
    background: var(--Status-Valid);
    flex-shrink: 0;
}
.chat-quota-indicator.is-exhausted .quota-dot {
    background: var(--Status-InValid);
}
.chat-quota-indicator.is-premium .quota-dot {
    background: var(--premium-gold);
}

/* === Message list === */
.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 1.6rem;
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
    scroll-behavior: smooth;
}
.chat-messages::-webkit-scrollbar {
    width: 0.4rem;
}
.chat-messages::-webkit-scrollbar-thumb {
    background: var(--Border-Secondary-Border);
    border-radius: 0.2rem;
}

/* === Chat bubbles === */
.chat-bubble {
    max-width: 80%;
    padding: 1rem 1.4rem;
    border-radius: 1.6rem;
    font-size: 1.4rem;
    line-height: 1.5;
    word-break: break-word;
    animation: bubble-appear 0.2s ease-out;
}
@keyframes bubble-appear {
    from { opacity: 0; transform: translateY(0.6rem); }
    to   { opacity: 1; transform: translateY(0); }
}
.chat-bubble--ai {
    background: var(--chat-ai-bg);
    color: var(--chat-ai-text);
    border-bottom-left-radius: 0.4rem;
    align-self: flex-start;
}
.chat-bubble--user {
    background: var(--chat-user-bg);
    color: var(--chat-user-text);
    border-bottom-right-radius: 0.4rem;
    align-self: flex-end;
}
.chat-bubble-time {
    font-size: 1.0rem;
    opacity: 0.6;
    margin-top: 0.4rem;
    text-align: right;
}

/* Source citation chip */
.chat-source-chip {
    display: inline-block;
    margin-top: 0.6rem;
    padding: 0.2rem 0.8rem;
    background: var(--chat-source-chip-bg);
    color: var(--chat-source-chip-text);
    border-radius: 1.2rem;
    font-size: 1.1rem;
    font-weight: 500;
}

/* === Typing indicator === */
.chat-typing-indicator {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 1rem 1.4rem;
    background: var(--chat-ai-bg);
    border-radius: 1.6rem 1.6rem 1.6rem 0.4rem;
    align-self: flex-start;
    width: fit-content;
}
.chat-typing-indicator span {
    width: 0.7rem;
    height: 0.7rem;
    border-radius: 50%;
    background: var(--Text-Tertiary-Text);
    animation: typing-bounce 1.4s infinite;
}
.chat-typing-indicator span:nth-child(2) { animation-delay: 0.2s; }
.chat-typing-indicator span:nth-child(3) { animation-delay: 0.4s; }
@keyframes typing-bounce {
    0%, 80%, 100% { transform: translateY(0); opacity: 0.4; }
    40%            { transform: translateY(-0.6rem); opacity: 1; }
}

/* === Quick reply buttons === */
.chat-quick-replies {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    margin-top: 0.8rem;
    padding: 0 0.4rem;
}
.chat-quick-reply {
    padding: 0.5rem 1.2rem;
    background: var(--chat-quick-reply-bg);
    color: var(--chat-quick-reply-text);
    border: 0.1rem solid var(--chat-quick-reply-text);
    border-radius: 2rem;
    font-size: 1.2rem;
    cursor: pointer;
    transition: background var(--transition-fast), color var(--transition-fast);
    white-space: nowrap;
}
.chat-quick-reply:hover {
    background: var(--color1);
    color: #fff;
    border-color: var(--color1);
}

/* === Quota exhausted state === */
.chat-quota-exhausted {
    padding: 1.6rem;
    text-align: center;
    background: var(--premium-gold-light);
    border-top: 0.1rem solid var(--premium-gold);
}
.chat-quota-exhausted p {
    font-size: 1.3rem;
    color: var(--Text-Primary-Text);
    margin-bottom: 1rem;
}
.chat-quota-exhausted .btn-upgrade {
    background: var(--bg-grad-45);
    color: #fff;
    border: none;
    padding: 0.8rem 2rem;
    border-radius: 2rem;
    font-size: 1.3rem;
    cursor: pointer;
    font-weight: 600;
}

/* === Empty / error states === */
.chat-empty-state {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--Text-Secondary-Text);
    text-align: center;
    padding: 2.4rem;
    gap: 1.2rem;
}
.chat-empty-state .icon { font-size: 3.6rem; }
.chat-mascot-welcome {
    width: 8.4rem;
    height: 8.4rem;
}
.chat-mascot-welcome img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}
.chat-empty-state p { font-size: 1.3rem; }

/* === Chat input === */
.chat-input-area {
    padding: 1.2rem 1.6rem;
    border-top: 0.1rem solid var(--Border-Secondary-Border);
    display: flex;
    gap: 0.8rem;
    align-items: flex-end;
    background: #fff;
    border-radius: 0 0 0 1.6rem;
    min-height: 5.6rem;
}
.chat-input-area textarea {
    flex: 1;
    resize: none;
    border: 0.1rem solid var(--chat-input-border);
    border-radius: 2rem;
    padding: 1rem 1.4rem;
    font-size: 1.4rem;
    font-family: inherit;
    line-height: 1.4;
    max-height: 10rem;
    outline: none;
    transition: border-color var(--transition-fast);
}
.chat-input-area textarea:focus {
    border-color: var(--color1);
}
.chat-input-area .btn-send {
    width: 4rem;
    height: 4rem;
    border-radius: 50%;
    background: var(--bg-grad-45);
    color: #fff;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    flex-shrink: 0;
    transition: transform var(--transition-fast), opacity var(--transition-fast);
}
.chat-input-area .btn-send:hover { transform: scale(1.05); }
.chat-input-area .btn-send:disabled { opacity: 0.4; cursor: not-allowed; }

/* === Responsive Chat === */
@media (max-width: 767px) {
    .chat-sidebar {
        width: 100vw;
        border-radius: 0;
    }
    .chat-sidebar-toggle {
        bottom: 7.2rem;
        right: 1.2rem;
    }
}


/* ═══════════════════════════════════════════════════════════════
   SECTION 3 — FLASHCARD 3D
   ═══════════════════════════════════════════════════════════════ */

.flashcard-page {
    min-height: calc(100vh - 6rem);
    padding: 2.4rem 1.6rem 8rem;
    background: var(--Background-Background);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

/* === Header === */
.flashcard-header {
    width: 100%;
    max-width: 52rem;
    display: flex;
    align-items: center;
    gap: 1.2rem;
}
.flashcard-header .btn-back {
    background: none;
    border: none;
    font-size: 2rem;
    cursor: pointer;
    color: var(--Text-Secondary-Text);
    padding: 0.4rem;
}
.flashcard-header-info { flex: 1; }
.flashcard-header-title {
    font-size: 1.6rem;
    font-weight: 600;
    color: var(--Text-Primary-Text);
}
.flashcard-header-progress {
    font-size: 1.2rem;
    color: var(--Text-Secondary-Text);
}

/* === Progress bar === */
.session-progress-bar {
    width: 100%;
    max-width: 52rem;
    height: 0.6rem;
    background: var(--Border-Secondary-Border);
    border-radius: 0.3rem;
    overflow: hidden;
}
.session-progress-bar-fill {
    height: 100%;
    background: var(--bg-grad-90);
    border-radius: 0.3rem;
    transition: width 0.4s ease;
}

/* === 3D Card container === */
.flashcard-container {
    width: 100%;
    max-width: 48rem;
    aspect-ratio: 16 / 10;
    perspective: var(--card-perspective);
    cursor: pointer;
}
.flashcard-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transform-style: preserve-3d;
    transition: transform var(--card-flip-duration);
}
.flashcard-inner.is-flipped {
    transform: rotateY(180deg);
}
.flashcard-front,
.flashcard-back {
    position: absolute;
    inset: 0;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    border-radius: var(--card-border-radius);
    box-shadow: var(--card-shadow);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2.8rem 2.4rem;
    text-align: center;
    user-select: none;
}
.flashcard-front {
    background: var(--card-front-bg);
    border: 0.2rem solid var(--Border-Secondary-Border);
}
.flashcard-back {
    background: var(--card-back-bg);
    border: 0.2rem solid var(--color1);
    transform: rotateY(180deg);
}

.flashcard-label {
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--Text-Tertiary-Text);
    margin-bottom: 1.2rem;
}
.flashcard-question {
    font-size: 2.4rem;
    font-weight: 600;
    color: var(--Text-Primary-Text);
    line-height: 1.4;
}
.flashcard-answer {
    font-size: 1.8rem;
    color: var(--Text-Primary-Text);
    line-height: 1.5;
}
.flashcard-hint {
    font-size: 1.3rem;
    color: var(--Text-Tertiary-Text);
    margin-top: 1rem;
}
.flashcard-flip-hint {
    margin-top: 1.6rem;
    font-size: 1.2rem;
    color: var(--Text-Tertiary-Text);
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

/* === Quality buttons === */
.quality-buttons {
    display: flex;
    gap: 1.2rem;
    justify-content: center;
    width: 100%;
    max-width: 48rem;
}
.quality-btn {
    flex: 1;
    min-height: 5.2rem;
    border: none;
    border-radius: 1.2rem;
    font-size: 1.5rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.2rem;
}
.quality-btn:hover { transform: translateY(-0.2rem); }
.quality-btn:active { transform: translateY(0); }

.quality-btn--easy {
    background: #DCFCE7;
    color: #15803D;
    box-shadow: 0 0.2rem 0.8rem rgba(21, 128, 61, 0.2);
}
.quality-btn--easy:hover { box-shadow: 0 0.4rem 1.2rem rgba(21, 128, 61, 0.3); }

.quality-btn--medium {
    background: #FEF9C3;
    color: #A16207;
    box-shadow: 0 0.2rem 0.8rem rgba(161, 98, 7, 0.2);
}
.quality-btn--medium:hover { box-shadow: 0 0.4rem 1.2rem rgba(161, 98, 7, 0.3); }

.quality-btn--hard {
    background: #FEE2E2;
    color: #B91C1C;
    box-shadow: 0 0.2rem 0.8rem rgba(185, 28, 28, 0.2);
}
.quality-btn--hard:hover { box-shadow: 0 0.4rem 1.2rem rgba(185, 28, 28, 0.3); }

.quality-btn-label { font-size: 1.1rem; font-weight: 400; opacity: 0.75; }

/* === Session complete === */
.flashcard-session-complete {
    text-align: center;
    padding: 3.2rem 2.4rem;
    max-width: 48rem;
}
.flashcard-session-complete .trophy { font-size: 5.6rem; }
.flashcard-session-complete h3 {
    font-size: 2.2rem;
    font-weight: 700;
    margin: 1.2rem 0 0.8rem;
    color: var(--Text-Primary-Text);
}
.flashcard-session-complete p {
    font-size: 1.4rem;
    color: var(--Text-Secondary-Text);
}

/* === Locked state === */
.flashcard-locked {
    border: 0.2rem dashed var(--Border-Primary-Border);
    background: var(--Background-Background);
    color: var(--Text-Tertiary-Text);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border-radius: var(--card-border-radius);
    padding: 3.2rem;
    text-align: center;
    gap: 1.2rem;
}

/* === Responsive Flashcard === */
@media (max-width: 767px) {
    .flashcard-container {
        aspect-ratio: 3 / 4;
    }
    .flashcard-question { font-size: 2.0rem; }
    .flashcard-answer { font-size: 1.6rem; }
    .quality-btn { min-height: 5.6rem; }
}


/* ═══════════════════════════════════════════════════════════════
   SECTION 4 — GAMIFICATION WIDGETS
   ═══════════════════════════════════════════════════════════════ */

/* ============================================================
   VETT Premium — Gamification Widget Styles
   Components: StreakWidget, LevelBadge, XPProgressBar, LeaderboardWidget, BadgeCollection
   ============================================================ */

/* === Gamification Panel Container === */
.gamification-panel {
    position: fixed;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: var(--gamification-panel-width);
    background: white;
    border-radius: 1.6rem 0 0 1.6rem;
    box-shadow: -0.2rem 0 2rem rgba(0, 0, 0, 0.06);
    padding: var(--spacing-lg) var(--spacing-md);
    z-index: var(--z-gamification);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    max-height: 80vh;
    overflow-y: auto;
    transition: transform var(--transition-normal);
}

.gamification-panel.collapsed {
    transform: translateY(-50%) translateX(calc(100% - 4rem));
}

.gamification-toggle {
    position: absolute;
    left: 0;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 2.8rem;
    height: 2.8rem;
    border-radius: 50%;
    background: var(--color1);
    color: white;
    border: none;
    cursor: pointer;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* === Streak Widget === */
.streak-widget {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-md);
    background: linear-gradient(135deg, #FFEDD5 0%, #FEF3C7 100%);
    border-radius: 1.2rem;
    border: 0.1rem solid #FED7AA;
    position: relative;
    overflow: hidden;
    box-shadow: 0 1rem 2.4rem rgba(245, 158, 11, 0.14);
}

.streak-fire-container {
    position: relative;
    width: 6rem;
    height: 7rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.streak-fire-icon {
    font-size: 4rem;
    animation: fire-flicker 0.5s infinite alternate;
    transform-origin: bottom center;
    filter: drop-shadow(0 0 0.8rem rgba(249, 115, 22, 0.4));
    z-index: 1;
}

.streak-fire-glow {
    position: absolute;
    bottom: 0;
    width: 4rem;
    height: 4rem;
    background: radial-gradient(ellipse, rgba(249,115,22,0.3), transparent);
    border-radius: 50%;
    animation: glow-pulse 1.5s infinite;
}

.streak-number {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: var(--streak-number-font);
    font-weight: 800;
    color: white;
    z-index: 2;
    text-shadow: 0 0.2rem 0.4rem rgba(0,0,0,0.2);
}

.streak-label {
    font-size: 1.3rem;
    font-weight: 600;
    color: #C2410C;
    margin-top: var(--spacing-sm);
}

.streak-subtitle {
    font-size: 1.1rem;
    color: var(--Text-Secondary-Text);
}

/* Streak tier colors */
.streak-widget.tier-amber {
    background: linear-gradient(135deg, #FFEDD5 0%, #FEF3C7 100%);
    border-color: #FED7AA;
}
.streak-widget.tier-amber .streak-fire-icon { color: #F59E0B; }
.streak-widget.tier-amber .streak-label { color: #D97706; }

.streak-widget.tier-orange {
    background: linear-gradient(135deg, #FED7AA 0%, #FDE68A 100%);
    border-color: #FDBA74;
}
.streak-widget.tier-orange .streak-fire-icon { color: #F97316; }
.streak-widget.tier-orange .streak-label { color: #C2410C; }

.streak-widget.tier-gold {
    background: linear-gradient(135deg, #FEF3C7, #FDE68A);
    border-color: #FCD34D;
}
.streak-widget.tier-gold .streak-fire-icon { color: #D97706; }
.streak-widget.tier-gold .streak-label { color: #92400E; }

.streak-widget.tier-ice {
    background: linear-gradient(135deg, #EFF6FF, #DBEAFE);
    border-color: #93C5FD;
}
.streak-widget.tier-ice .streak-fire-icon { color: #3B82F6; }
.streak-widget.tier-ice .streak-label { color: #1D4ED8; }

/* === Level Badge === */
.level-badge {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border-radius: 1.2rem;
    background: white;
    border: 0.1rem solid var(--Border-Secondary-Border);
    box-shadow: 0 0.4rem 1.2rem rgba(0, 0, 0, 0.03);
    transition: all var(--transition-fast);
}

.level-badge:hover {
    transform: translateY(-0.2rem);
    box-shadow: 0 0.8rem 2rem rgba(0, 0, 0, 0.08);
}

.level-badge-icon {
    width: 4.8rem;
    height: 4.8rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    font-weight: 800;
    flex-shrink: 0;
    position: relative;
    box-shadow: 0 0.4rem 0.8rem rgba(0,0,0,0.12);
}

/* Small floating crown or medal badge icon */
.level-badge-icon::before {
    position: absolute;
    top: -0.8rem;
    right: -0.8rem;
    font-size: 1.2rem;
    filter: drop-shadow(0 0.2rem 0.4rem rgba(0,0,0,0.15));
    animation: float-star 2s infinite ease-in-out;
}

@keyframes float-star {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-0.3rem) rotate(15deg); }
}

.level-badge-info {
    min-width: 0;
}

.level-badge-tier {
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 0.08rem;
    font-weight: 800;
}

.level-badge-name {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--Text-Primary-Text);
}

/* Bronze */
.level-badge.tier-bronze {
    border-left: 0.4rem solid #CD7F32;
    background: linear-gradient(90deg, #FDF0E0 0%, #FFFFFF 100%);
    border-top: 0.1rem solid #FDBA74;
    border-bottom: 0.1rem solid #FDBA74;
    border-right: 0.1rem solid #FDBA74;
}
    .level-badge.tier-bronze .level-badge-icon {
        background: linear-gradient(135deg, #FDBA74, #CD7F32, #EA580C);
        color: white;
        border: 0.2rem solid #CD7F32;
        text-shadow: 0 0.1rem 0.2rem rgba(0,0,0,0.4);
        border-radius: 50% !important;
    }
.level-badge.tier-bronze .level-badge-tier { color: #8A4F1D; }
    .level-badge.tier-bronze .level-badge-icon::before {
        content: '\1F949';
    }

/* Silver */
.level-badge.tier-silver {
    border-left: 0.4rem solid #9CA3AF;
    background: linear-gradient(90deg, #F1F1F2 0%, #FFFFFF 100%);
    border-top: 0.1rem solid #D1D5DB;
    border-bottom: 0.1rem solid #D1D5DB;
    border-right: 0.1rem solid #D1D5DB;
}
.level-badge.tier-silver .level-badge-icon {
    background: linear-gradient(135deg, #E5E7EB, #9CA3AF, #6B7280);
    color: white;
    border: 0.2rem solid #9CA3AF;
    text-shadow: 0 0.1rem 0.2rem rgba(0,0,0,0.4);
}
.level-badge.tier-silver .level-badge-tier { color: #4B5563; }
.level-badge.tier-silver .level-badge-icon::before { content: '\1F948'; }

/* Gold */
.level-badge.tier-gold {
    border-left: 0.4rem solid #F59E0B;
    background: linear-gradient(90deg, #FFFDE7 0%, #FFFFFF 100%);
    border-top: 0.1rem solid #FCD34D;
    border-bottom: 0.1rem solid #FCD34D;
    border-right: 0.1rem solid #FCD34D;
}
.level-badge.tier-gold .level-badge-icon {
    background: linear-gradient(135deg, #FFFBEB, #FBBF24, #D97706);
    color: white;
    border: 0.2rem solid #F59E0B;
    text-shadow: 0 0.1rem 0.2rem rgba(0,0,0,0.4);
}
.level-badge.tier-gold .level-badge-tier { color: #B45309; }
.level-badge.tier-gold .level-badge-icon::before { content: '\1F947'; }

/* Platinum */
.level-badge.tier-platinum {
    border-left: 0.4rem solid #8B5CF6;
    background: linear-gradient(90deg, #EDE9FE 0%, #FFFFFF 100%);
    border-top: 0.1rem solid #DDD6FE;
    border-bottom: 0.1rem solid #DDD6FE;
    border-right: 0.1rem solid #DDD6FE;
}
.level-badge.tier-platinum .level-badge-icon {
    background: linear-gradient(135deg, #EDE9FE, #A78BFA, #7C3AED);
    color: white;
    border: 0.2rem solid #8B5CF6;
    text-shadow: 0 0.1rem 0.2rem rgba(0,0,0,0.4);
    animation: platinum-glow 2s infinite alternate;
}
.level-badge.tier-platinum .level-badge-tier { color: #6D28D9; }
.level-badge.tier-platinum .level-badge-icon::before { content: '\1F451'; }

@keyframes platinum-glow {
    0% { box-shadow: 0 0 0.4rem rgba(139, 92, 246, 0.4); }
    100% { box-shadow: 0 0 1.2rem rgba(139, 92, 246, 0.8); }
}

/* === XP Progress Bar === */
.xp-widget {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    position: relative;
}

.xp-widget-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.xp-label {
    font-size: var(--xp-label-font);
    color: var(--Text-Secondary-Text);
    font-weight: 500;
}

.xp-value {
    font-size: var(--xp-label-font);
    font-weight: 600;
    color: var(--color2);
}

.xp-bar {
    width: 100%;
    height: var(--xp-bar-height);
    background: var(--Border-Secondary-Border);
    border-radius: 0.5rem;
    overflow: hidden;
}

.xp-bar-fill {
    height: 100%;
    background: var(--xp-bar-fill);
    border-radius: 0.5rem;
    transition: width 1s ease;
    position: relative;
}

.xp-bar-fill::after {
    content: '';
    position: absolute;
    right: 0;
    top: 0;
    width: 0.3rem;
    height: 100%;
    background: white;
    opacity: 0.5;
    border-radius: 0.2rem;
}

.xp-bar-glow {
    position: absolute;
    right: 0;
    top: 0;
    height: 100%;
    width: 2rem;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4));
}

.xp-next {
    font-size: 1.1rem;
    color: var(--Text-Tertiary-Text);
    text-align: right;
}

/* === +XP Float Animation === */
.xp-float {
    position: fixed;
    pointer-events: none;
    font-weight: 700;
    font-size: 1.8rem;
    z-index: 9999;
    animation: xp-float-up var(--xp-float-up) forwards;
}

.xp-float.base { color: var(--Text-Primary-Text); }
.xp-float.premium-boost { color: var(--premium-gold); }
.xp-float.streak-bonus { color: var(--streak-fire); }

/* === Leaderboard Widget === */
.leaderboard-widget {
    padding: var(--spacing-md);
    background: white;
    border: 0.1rem solid var(--Border-Secondary-Border);
    border-radius: 1.2rem;
}

.leaderboard-title {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--Text-Primary-Text);
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.leaderboard-title-icon {
    font-size: 1.6rem;
}

.leaderboard-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}
.gbar-state-text {
    width: 100%;
    padding: 1rem 0.8rem;
    text-align: center;
    color: var(--muted);
    font-size: 1.2rem;
    line-height: 1.4;
}

.gamification-header {
    display: flex;
    align-items: center;
    flex: 0 0 auto;
}
.gami-compact-stats {
    display: flex;
    align-items: center;
    gap: 1rem;
    white-space: nowrap;
}
.gami-compact-stat {
    height: 4.4rem;
    min-width: 7.2rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.7rem;
    padding: 0 1.2rem;
    border-radius: 99.9rem;
    border: 0.1rem solid rgba(0, 173, 181, 0.16);
    background: #FFFFFF;
    box-shadow: 0 0.4rem 1.2rem rgba(15, 23, 42, 0.06);
    color: inherit;
    font: inherit;
    cursor: pointer;
}
.gami-compact-stat.is-active {
    border-color: rgba(245, 158, 11, 0.16);
    background: #FFF7ED;
}
.gami-compact-icon {
    font-size: 2.1rem;
    line-height: 1;
}
.gami-compact-value {
    font-size: 1.9rem;
    font-weight: 800;
    color: var(--text);
    line-height: 1;
}
@media (max-width: 767px) {
    .navbar-top .center-widget {
        display: flex !important;
        align-items: center !important;
        justify-content: space-between !important;
        gap: 1rem;
        padding-left: 1.2rem !important;
        padding-right: 1.2rem !important;
    }
    .gamification-header {
        display: flex !important;
        margin-left: auto;
    }
    .navbar-top-links .navbar-top-links-menu {
        gap: 0.8rem !important;
        justify-content: center !important;
    }
    .navbar-top-links .navbar-top-links-menu .gamification-header {
        display: flex;
        align-items: center;
        align-self: center;
    }
    .gami-compact-stats {
        gap: 0.8rem;
    }
    .gami-compact-stat {
        height: 3.8rem;
        min-width: auto;
        padding: 0 1rem;
        gap: 0.6rem;
        border: 0.1rem solid rgba(226, 232, 240, 0.95);
        border-radius: 99.9rem;
        background: #FFFFFF;
        box-shadow: 0 0.4rem 1.2rem rgba(15, 23, 42, 0.08);
    }
    .gami-compact-stat.is-active {
        border-color: rgba(245, 158, 11, 0.25);
        background: #FFF7ED;
    }
    .gami-compact-icon {
        font-size: 2rem;
    }
    .gami-compact-value {
        font-size: 1.7rem;
    }
    #el-user-avatar .avatar > img,
    .navbar-top-links .avatar > img {
        width: 4.4rem;
        height: 4.4rem;
        border-radius: 4.4rem;
    }
}

.leaderboard-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    border-radius: 0.8rem;
    transition: background var(--transition-fast);
}

.leaderboard-item:hover {
    background: var(--Background-Background);
}

.leaderboard-item.is-self {
    background: #E8F5F5;
    border: 0.1rem solid rgba(0, 182, 183, 0.2);
}

.leaderboard-rank {
    width: 2.4rem;
    font-size: 1.4rem;
    font-weight: 700;
    text-align: center;
    flex-shrink: 0;
}

.leaderboard-rank.gold { color: #FFD700; }
.leaderboard-rank.silver { color: #A8A9AD; }
.leaderboard-rank.bronze { color: #CD7F32; }

.leaderboard-avatar {
    width: 3.2rem;
    height: 3.2rem;
    border-radius: 50%;
    background: var(--bg-grad-45);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    font-weight: 600;
    flex-shrink: 0;
}

.leaderboard-name {
    flex: 1;
    font-size: 1.3rem;
    font-weight: 500;
    color: var(--Text-Primary-Text);
    min-width: 0;
}

.leaderboard-xp {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--color2);
    flex-shrink: 0;
}

.leaderboard-expand {
    width: 100%;
    padding: var(--spacing-xs);
    background: none;
    border: none;
    color: var(--color1);
    font-size: 1.2rem;
    cursor: pointer;
    margin-top: var(--spacing-sm);
    font-family: var(--font-sans);
    text-align: center;
}

.leaderboard-expand:hover {
    text-decoration: underline;
}

/* === Badge Collection === */
.badge-collection {
    padding: var(--spacing-md);
    background: var(--Background-Background);
    border-radius: 1.2rem;
}

.badge-collection-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--Text-Primary-Text);
    margin-bottom: var(--spacing-sm);
}

.badge-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-sm);
}

.badge-item {
    width: 100%;
    aspect-ratio: 1;
    border-radius: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    position: relative;
    cursor: pointer;
    transition: transform var(--transition-fast);
}

.badge-item:hover {
    transform: scale(1.1);
}

.badge-item.unlocked {
    background: white;
    border: 0.1rem solid var(--Border-Secondary-Border);
    box-shadow: 0 0.2rem 0.4rem rgba(0,0,0,0.04);
}

.badge-item.locked {
    background: #F5F5F5;
    border: 0.1rem dashed var(--Border-Primary-Border);
    filter: grayscale(1);
    opacity: 0.5;
}

.badge-item .badge-lock-icon {
    position: absolute;
    bottom: 0.2rem;
    right: 0.2rem;
    font-size: 1rem;
}

/* Badge Tooltip */
.badge-tooltip {
    position: absolute;
    bottom: calc(100% + 0.8rem);
    left: 50%;
    transform: translateX(-50%);
    background: #1F2937;
    color: white;
    padding: 0.6rem 1.2rem;
    border-radius: 0.8rem;
    font-size: 1.1rem;
    white-space: nowrap;
    pointer-events: none;
    opacity: 0;
    transition: opacity var(--transition-fast);
    z-index: 10;
}

.badge-tooltip::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 0.5rem solid transparent;
    border-top-color: #1F2937;
}

.badge-item:hover .badge-tooltip {
    opacity: 1;
}

/* === Redeem Button === */
.redeem-btn {
    width: 100%;
    padding: var(--spacing-sm);
    background: linear-gradient(135deg, #FEF3C7, #FDE68A);
    color: #92400E;
    border: 0.1rem solid var(--premium-gold);
    border-radius: 1.2rem;
    font-size: 1.3rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-family: var(--font-sans);
    text-align: center;
}

.redeem-btn:hover {
    background: linear-gradient(135deg, #FDE68A, #FCD34D);
    transform: translateY(-0.1rem);
}

/* === Animations === */
@keyframes fire-flicker {
    0%, 100% { transform: scaleY(1) scaleX(1); opacity: 1; }
    25% { transform: scaleY(1.08) scaleX(0.94); }
    50% { transform: scaleY(0.94) scaleX(1.06); opacity: 0.85; }
    75% { transform: scaleY(1.04) scaleX(0.96); }
}

@keyframes glow-pulse {
    0%, 100% { transform: scale(1); opacity: 0.4; }
    50% { transform: scale(1.3); opacity: 0.7; }
}

@keyframes xp-float-up {
    0% { opacity: 1; transform: translateY(0) scale(1); }
    60% { opacity: 0.8; transform: translateY(-4rem) scale(1.15); }
    100% { opacity: 0; transform: translateY(-6rem) scale(1.2); }
}

@keyframes platinum-sparkle {
    0%, 100% { box-shadow: 0 0 0.4rem rgba(167, 139, 250, 0.4); }
    50% { box-shadow: 0 0 1.2rem rgba(167, 139, 250, 0.8); }
}

@keyframes level-up-scale {
    0% { transform: scale(1); }
    50% { transform: scale(1.3); }
    100% { transform: scale(1); }
}

.level-up-animation {
    animation: level-up-scale var(--level-up-scale);
}

/* === Responsive === */

/* Mobile (< 76.8rem): Bottom Bar */
@media (max-width: 767px) {
    .gamification-panel {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        top: auto;
        transform: none;
        width: 100%;
        height: var(--gamification-mobile-bar-height);
        flex-direction: row;
        align-items: center;
        padding: var(--spacing-sm) var(--spacing-md);
        border-radius: 1.6rem 1.6rem 0 0;
        gap: var(--spacing-sm);
        box-shadow: 0 -0.2rem 1.2rem rgba(0,0,0,0.06);
    }

    .gamification-panel.collapsed {
        transform: translateY(calc(100% - 4rem));
    }

    .gamification-panel > * {
        flex: 1;
        min-width: 0;
    }

    .streak-widget {
        flex-direction: row;
        padding: var(--spacing-xs) var(--spacing-sm);
        gap: var(--spacing-sm);
    }

    .streak-fire-container {
        width: 3.6rem;
        height: 4.2rem;
    }

    .streak-fire-icon {
        font-size: 2.4rem;
    }

    .streak-number {
        font-size: 1.4rem;
    }

    .streak-label, .streak-subtitle, .streak-history {
        display: none;
    }

    .level-badge {
        padding: var(--spacing-xs);
        gap: var(--spacing-xs);
    }

    .level-badge-icon {
        width: 3.2rem;
        height: 3.2rem;
        font-size: 1.3rem;
    }

    .level-badge-info {
        display: none;
    }

    .xp-widget {
        flex: 2;
    }

    .leaderboard-widget, .badge-collection, .redeem-btn {
        display: none;
    }
}

/* Tablet (76.8rem - 119.9rem) */
@media (min-width: 768px) and (max-width: 1199px) {
    .gamification-panel {
        width: var(--gamification-panel-tablet);
    }
}

/* === Streak History (7 Days Calendar History) === */
.streak-history {
    display: flex;
    gap: 0.6rem;
    margin-bottom: var(--spacing-md);
    justify-content: center;
    width: 100%;
    border-bottom: 0.1rem dashed rgba(249, 115, 22, 0.2);
    padding-bottom: var(--spacing-sm);
}

.streak-history-day {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.4rem;
    flex: 1;
}

.streak-history-day .day-dot {
    width: 2.4rem;
    height: 2.4rem;
    border-radius: 50%;
    background: #E5E7EB;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    color: #9CA3AF;
    transition: all var(--transition-fast);
}

.streak-history-day.active .day-dot {
    background: #FFF7ED;
    border: 0.1rem solid #FFEDD5;
    color: var(--streak-fire);
    font-size: 1.1rem;
    box-shadow: 0 0.2rem 0.4rem rgba(249, 115, 22, 0.1);
}

.streak-history-day.frozen .day-dot {
    background: #EFF6FF;
    border: 0.1rem solid #DBEAFE;
    color: var(--streak-ice);
    font-size: 1.1rem;
    box-shadow: 0 0.2rem 0.4rem rgba(59, 130, 246, 0.1);
}

.streak-history-day .day-dot {
    width: 2.4rem;
    height: 2.4rem;
    border-radius: 50%;
    background: #E5E7EB;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    color: #9CA3AF;
    transition: all var(--transition-fast);
}

.streak-history-day .day-label {
    font-size: 0.9rem;
    color: var(--Text-Tertiary-Text);
    font-weight: 500;
}

.streak-history-day.active .day-label {
    color: #C2410C;
    font-weight: 600;
}

.streak-history-day.frozen .day-label {
    color: #1D4ED8;
    font-weight: 600;
}

/* === Level Up Congratulatory Modal === */
.level-up-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(0.8rem);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 3000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease-out;
}

.level-up-modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.level-up-modal-content {
    background: white;
    border-radius: 2.4rem;
    padding: 3.2rem;
    width: 90%;
    max-width: 40rem;
    text-align: center;
    box-shadow: 0 2rem 4rem rgba(0,0,0,0.3);
    position: relative;
    transform: scale(0.8);
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.level-up-modal-overlay.active .level-up-modal-content {
    transform: scale(1);
}

.level-up-sparkles {
    font-size: 2.4rem;
    margin-bottom: var(--spacing-sm);
    animation: sparkle-pulse 1.5s infinite;
}

.level-up-mascot-container {
    width: 14rem;
    height: 14rem;
    margin: 0 auto var(--spacing-md);
}

.level-up-mascot-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    animation: celebrate-bounce 2s infinite;
}

.level-up-title {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--premium-gold-dark);
    margin: 0 0 var(--spacing-xs);
    letter-spacing: 0.1rem;
}

.level-up-message {
    font-size: 1.4rem;
    color: var(--Text-Secondary-Text);
    margin: 0 0 var(--spacing-md);
}

.level-up-badge-display {
    width: 7.2rem;
    height: 7.2rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.8rem;
    font-weight: 800;
    margin: 0 auto var(--spacing-md);
    position: relative;
    box-shadow: 0 0.6rem 1.6rem rgba(0, 0, 0, 0.15);
}

/* Outer shiny ring */
.level-up-badge-display::after {
    content: '';
    position: absolute;
    inset: -0.4rem;
    border-radius: 50%;
    border: 0.3rem solid rgba(255, 255, 255, 0.8);
    box-shadow: 0 0 0 0.1rem rgba(0, 0, 0, 0.08);
    pointer-events: none;
}

/* Small floating crown or medal badge icon */
.level-up-badge-display::before {
    position: absolute;
    top: -1rem;
    right: -1rem;
    font-size: 1.8rem;
    filter: drop-shadow(0 0.2rem 0.6rem rgba(0,0,0,0.2));
    animation: float-star 2s infinite ease-in-out;
}

.level-up-badge-display.tier-bronze {
    background: linear-gradient(135deg, #FDBA74, #CD7F32, #EA580C);
    color: white;
    border: 0.3rem solid #CD7F32;
    text-shadow: 0 0.1rem 0.2rem rgba(0,0,0,0.4);
}
.level-up-badge-display.tier-bronze::before { content: '\1F949'; }

.level-up-badge-display.tier-silver {
    background: linear-gradient(135deg, #E5E7EB, #9CA3AF, #6B7280);
    color: white;
    border: 0.3rem solid #9CA3AF;
    text-shadow: 0 0.1rem 0.2rem rgba(0,0,0,0.4);
}
.level-up-badge-display.tier-silver::before { content: '\1F948'; }

.level-up-badge-display.tier-gold {
    background: linear-gradient(135deg, #FFFBEB, #FBBF24, #D97706);
    color: white;
    border: 0.3rem solid #F59E0B;
    text-shadow: 0 0.1rem 0.2rem rgba(0,0,0,0.4);
}
.level-up-badge-display.tier-gold::before { content: '\1F947'; }

.level-up-badge-display.tier-platinum {
    background: linear-gradient(135deg, #EDE9FE, #A78BFA, #7C3AED);
    color: white;
    border: 0.3rem solid #8B5CF6;
    text-shadow: 0 0.1rem 0.2rem rgba(0,0,0,0.4);
    animation: platinum-glow-modal 2s infinite alternate;
}
.level-up-badge-display.tier-platinum::before { content: '\1F451'; }

@keyframes platinum-glow-modal {
    0% { box-shadow: 0 0.6rem 1.6rem rgba(0,0,0,0.15), 0 0 0.4rem rgba(139, 92, 246, 0.4); }
    100% { box-shadow: 0 0.6rem 1.6rem rgba(0,0,0,0.15), 0 0 1.6rem rgba(139, 92, 246, 0.8); }
}

.level-up-tier-name {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--Text-Primary-Text);
    margin-bottom: var(--spacing-lg);
    text-transform: uppercase;
}

.level-up-close-btn {
    width: 100%;
    padding: var(--spacing-md);
    background: var(--bg-grad-45);
    color: white;
    border: none;
    border-radius: 2.8rem;
    font-size: 1.6rem;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 0.4rem 1.2rem rgba(238, 63, 34, 0.3);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.level-up-close-btn:hover {
    transform: translateY(-0.2rem);
    box-shadow: 0 0.6rem 1.6rem rgba(238, 63, 34, 0.4);
}

.level-up-close-btn:active {
    transform: translateY(0);
}

@keyframes sparkle-pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

@keyframes lock-shake {
    0%, 100% { transform: rotate(0); }
    20%, 60% { transform: rotate(-15deg) scale(1.2); }
    40%, 80% { transform: rotate(15deg) scale(1.2); }
}

@keyframes badge-pop {
    0% { transform: scale(1); }
    50% { transform: scale(1.4); filter: drop-shadow(0 0 1.2rem rgba(245, 158, 11, 0.6)); }
    100% { transform: scale(1); }
}

.badge-unlock-pop {
    animation: badge-pop 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes xp-float-small {
    0% { opacity: 0; transform: translateY(1rem) scale(0.8); }
    20% { opacity: 1; transform: translateY(0) scale(1.1); }
    100% { opacity: 0; transform: translateY(-2.5rem) scale(1); }
}


/* === Check-in Button (Preserved) === */
.gbar-checkin__btn {
    width: 100%;
    min-height: 4.2rem;
    padding: 0.8rem 1.2rem;
    border: 0.1rem solid var(--Border-Secondary-Border);
    border-radius: 1rem;
    background: #fff;
    color: var(--Text-Primary-Text);
    font-size: 1.3rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    margin-bottom: var(--spacing-sm);
}
.gbar-checkin__btn:hover {
    border-color: var(--color1);
    background: #E8F5F5;
    color: var(--color1);
}
.gbar-checkin__btn:disabled {
    cursor: not-allowed;
    opacity: 0.6;
}
.gbar-checkin__btn--done {
    border-style: solid;
    border-color: var(--Status-Valid);
    background: #ECFDF5;
    color: #15803D;
    cursor: default;
    box-shadow: inset 0 0 0 0.1rem rgba(0, 199, 99, 0.18);
}
.gbar-checkin__xp {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color2);
    white-space: nowrap;
}


/* ═══════════════════════════════════════════════════════════════
   SECTION 5 — PAYWALL MODAL
   ═══════════════════════════════════════════════════════════════ */

/* === Overlay === */
.paywall-overlay {
    position: fixed;
    inset: 0;
    background: var(--paywall-overlay);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.6rem;
    animation: paywall-overlay-in 0.25s ease-out;
}
@keyframes paywall-overlay-in {
    from { opacity: 0; }
    to   { opacity: 1; }
}

/* === Modal card === */
.paywall-modal {
    background: var(--paywall-modal-bg);
    border-radius: var(--paywall-modal-radius);
    width: 100%;
    max-width: 48rem;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 2rem 6rem rgba(0, 0, 0, 0.3);
    animation: paywall-scale-in var(--paywall-scale-in) forwards;
    position: relative;
}
@keyframes paywall-scale-in {
    0%   { opacity: 0; transform: scale(0.88); }
    60%  { transform: scale(1.02); }
    100% { opacity: 1; transform: scale(1); }
}

.paywall-modal-header {
    padding: 2rem 2rem 0;
    text-align: center;
    position: relative;
}
.paywall-modal-close {
    position: absolute;
    top: 1.2rem;
    right: 1.2rem;
    background: var(--Background-Background);
    border: none;
    width: 3.2rem;
    height: 3.2rem;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.4rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--Text-Secondary-Text);
    transition: background var(--transition-fast);
}
.paywall-modal-close:hover { background: var(--Border-Secondary-Border); }

.paywall-feature-icon { font-size: 4rem; }
.paywall-modal-title {
    font-size: 2.0rem;
    font-weight: 700;
    color: var(--Text-Primary-Text);
    margin: 1rem 0 0.6rem;
}
.paywall-modal-subtitle {
    font-size: 1.4rem;
    color: var(--Text-Secondary-Text);
    margin-bottom: 0.4rem;
}

/* === Trial banner === */
.trial-banner {
    margin: 1.4rem 2rem 0;
    padding: 1rem 1.6rem;
    background: var(--bg-grad-45);
    border-radius: 1rem;
    color: #fff;
    text-align: center;
    font-size: 1.3rem;
    font-weight: 600;
}

/* === Social proof === */
.paywall-social-proof {
    text-align: center;
    font-size: 1.2rem;
    color: var(--Text-Tertiary-Text);
    margin: 1rem 2rem 0;
}

/* === Plan cards === */
.paywall-plans {
    display: flex;
    gap: 1rem;
    padding: 1.6rem 2rem 2rem;
    flex-wrap: wrap;
}
.plan-card {
    flex: 1;
    min-width: 12rem;
    border: 0.2rem solid var(--Border-Secondary-Border);
    border-radius: 1.2rem;
    padding: 1.4rem 1.2rem;
    text-align: center;
    cursor: pointer;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.15s ease;
    position: relative;
}
.plan-card:hover {
    transform: translateY(-0.2rem);
    box-shadow: 0 0.6rem 2rem rgba(0, 0, 0, 0.1);
}
.plan-card.is-popular {
    border-color: var(--premium-gold);
    box-shadow: 0 0.4rem 1.6rem rgba(245, 158, 11, 0.25);
}
.plan-card.is-selected {
    border-color: var(--color2);
    box-shadow: 0 0.4rem 1.6rem rgba(238, 63, 34, 0.2);
}

.plan-badge {
    position: absolute;
    top: -1rem;
    left: 50%;
    transform: translateX(-50%);
    background: var(--premium-gold);
    color: #fff;
    font-size: 1.0rem;
    font-weight: 700;
    padding: 0.2rem 1rem;
    border-radius: 1rem;
    white-space: nowrap;
}
.plan-icon { font-size: 2.4rem; margin-bottom: 0.6rem; }
.plan-name {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--Text-Primary-Text);
    margin-bottom: 0.4rem;
}
.plan-price {
    font-size: 2.0rem;
    font-weight: 700;
    color: var(--color2);
    line-height: 1;
}
.plan-price-unit {
    font-size: 1.1rem;
    color: var(--Text-Tertiary-Text);
    margin-bottom: 0.8rem;
}
.plan-features {
    list-style: none;
    padding: 0;
    margin: 0;
    text-align: left;
    font-size: 1.1rem;
    color: var(--Text-Secondary-Text);
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}
.plan-features li::before {
    content: "\2713 ";
    color: var(--Status-Valid);
    font-weight: 600;
}

/* === CTA button === */
.paywall-cta {
    padding: 0 2rem 1.6rem;
}
.paywall-cta .btn-upgrade-main {
    width: 100%;
    padding: 1.4rem;
    background: var(--bg-grad-45);
    color: #fff;
    border: none;
    border-radius: 1.2rem;
    font-size: 1.6rem;
    font-weight: 700;
    cursor: pointer;
    transition: opacity 0.2s ease, transform 0.15s ease;
}
.paywall-cta .btn-upgrade-main:hover {
    opacity: 0.92;
    transform: translateY(-0.1rem);
}
.paywall-terms {
    text-align: center;
    font-size: 1.1rem;
    color: var(--Text-Tertiary-Text);
    padding: 0 2rem 1.6rem;
}
.paywall-terms a { color: var(--color1); text-decoration: none; }

/* === Responsive Paywall — Mobile bottom sheet === */
@media (max-width: 767px) {
    .paywall-overlay {
        align-items: flex-end;
        padding: 0;
    }
    .paywall-modal {
        max-width: 100%;
        border-radius: 2rem 2rem 0 0;
        max-height: 85vh;
        animation: paywall-slide-up 0.3s cubic-bezier(0.4, 0, 0.2, 1) forwards;
    }
    @keyframes paywall-slide-up {
        from { transform: translateY(100%); }
        to   { transform: translateY(0); }
    }
    .paywall-plans {
        flex-direction: column;
    }
    .plan-card { min-width: unset; }
}

/* =============================================================
   NEW REDESIGNED DASHBOARD HOME PAGE STYLES (on-luyen.html)
   ============================================================= */

/* 1. Header & Greetings */
.dashboard-header-premium {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    border: 0.15rem solid #e2e8f0;
    border-radius: 1.6rem;
    padding: 2.4rem;
    margin-bottom: 2.4rem;
    box-shadow: 0 0.4rem 1.6rem rgba(0, 0, 0, 0.02);
}
.dashboard-header-premium.guest {
    background: linear-gradient(135deg, #ffffff 0%, #f0fdfa 100%);
    border-color: #ccfbf1;
}
.header-greeting-block h2 {
    font-size: 2.4rem;
    font-weight: 800;
    color: var(--Text-Primary-Text);
    margin: 0 0 0.6rem;
}
.greeting-subtitle {
    font-size: 1.4rem;
    color: var(--Text-Secondary-Text);
    margin: 0;
}
.countdown-badge-card {
    display: flex;
    align-items: center;
    gap: 1.2rem;
    background: #fff;
    border: 0.1rem solid #e2e8f0;
    padding: 1rem 1.6rem;
    border-radius: 1.2rem;
    box-shadow: 0 0.4rem 1rem rgba(0, 0, 0, 0.03);
}
.countdown-badge-icon {
    font-size: 2.2rem;
}
.countdown-badge-text {
    font-size: 1.3rem;
    color: var(--Text-Primary-Text);
    font-weight: 500;
}
.countdown-badge-num {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--color2);
}

/* 2. Compact Search Box */
.compact-search-box-container {
    margin-bottom: 2.4rem;
}
.compact-search-form {
    width: 100%;
}
.compact-input-group {
    display: flex;
    align-items: center;
    background: #ffffff;
    border: 0.15rem solid #cbd5e1;
    border-radius: 1.2rem;
    padding: 0.4rem 0.6rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}
.compact-input-group:focus-within {
    border-color: var(--color1);
    box-shadow: 0 0 0 0.3rem rgba(0, 182, 183, 0.15);
}
.compact-search-label {
    background: #f1f5f9;
    color: #475569;
    font-size: 1.2rem;
    font-weight: 700;
    padding: 0.8rem 1.2rem;
    border-radius: 0.8rem;
    margin-right: 1.2rem;
    letter-spacing: 0.05rem;
}
.compact-search-input {
    flex: 1;
    border: none;
    outline: none;
    font-size: 1.4rem;
    color: var(--Text-Primary-Text);
    padding: 0.8rem 0;
    font-family: inherit;
}
.compact-clear-btn {
    background: none;
    border: none;
    color: #94a3b8;
    cursor: pointer;
    font-size: 1.6rem;
    padding: 0.8rem;
}
.compact-search-submit-btn {
    background: var(--bg-grad-45);
    color: white;
    border: none;
    border-radius: 0.8rem;
    padding: 1rem 1.8rem;
    font-size: 1.3rem;
    font-weight: 700;
    cursor: pointer;
    transition: opacity 0.2s;
    display: flex;
    align-items: center;
    gap: 0.6rem;
}
.compact-search-submit-btn:hover {
    opacity: 0.9;
}

/* 3. Today Checklist */
.today-tasks-premium-card {
    background: #ffffff;
    border: 0.15rem solid #e2e8f0;
    border-radius: 1.6rem;
    padding: 2rem;
    margin-bottom: 2.4rem;
    box-shadow: 0 0.4rem 1.6rem rgba(0, 0, 0, 0.02);
}
.tasks-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 0.15rem dashed #e2e8f0;
    padding-bottom: 1.2rem;
    margin-bottom: 1.6rem;
}
.tasks-card-header h4 {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--Text-Primary-Text);
    margin: 0;
}
.tasks-header-badge {
    background: #eff6ff;
    color: #2563eb;
    font-size: 1.1rem;
    font-weight: 600;
    padding: 0.4rem 0.8rem;
    border-radius: 0.6rem;
}
.tasks-checklist-container {
    display: flex;
    flex-direction: column;
    margin-bottom: 1.8rem;
}
.task-checklist-item {
    display: flex;
    align-items: flex-start;
}
.task-checkbox-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    border: 0.15rem solid #cbd5e1;
    font-size: 1.1rem;
    font-weight: bold;
    color: #94a3b8;
    flex-shrink: 0;
    margin-top: 0.2rem;
}
.task-checkbox-icon.completed {
    background: #dcfce7;
    border-color: #86efac;
    color: #15803d;
}
.task-description-text {
    font-size: 1.35rem;
    color: #475569;
    margin: 0;
    line-height: 1.4;
}
.tasks-card-footer {
    display: flex;
    justify-content: flex-end;
}
.btn-start-tasks {
    background: var(--bg-grad-45);
    color: white;
    padding: 1rem 2rem;
    border-radius: 1rem;
    font-size: 1.3rem;
    font-weight: 700;
    text-decoration: none;
    display: inline-block;
    transition: transform 0.2s, box-shadow 0.2s;
    box-shadow: 0 0.4rem 1.2rem rgba(238, 63, 34, 0.2);
}
.btn-start-tasks:hover {
    transform: translateY(-0.1rem);
    box-shadow: 0 0.6rem 1.6rem rgba(238, 63, 34, 0.3);
    color: white;
}

/* 4. Grid Môn học Redesign */
.subject-section-header {
    margin: 3.2rem 0 1.6rem;
}
.subject-section-header h3 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--Text-Primary-Text);
    margin: 0;
}
.grid-bo-sach-redesign {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(36rem, 1fr));
    gap: 2rem;
    margin-bottom: 2.4rem;
}
.bo-sach-card-redesign {
    background: #ffffff;
    border: 0.15rem solid color-mix(in srgb, var(--c) 25%, #cbd5e1);
    border-bottom: 0.4rem solid var(--c);
    border-radius: 1.6rem;
    overflow: hidden;
    transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
    box-shadow: 0 0.4rem 1.6rem rgba(0, 0, 0, 0.02);
}
.bo-sach-card-redesign:hover {
    transform: translateY(-0.4rem);
    box-shadow: 0 1.2rem 2.8rem rgba(0, 0, 0, 0.08);
    border-color: var(--c);
}
.bo-sach-card-inner {
    padding: 2rem;
}
.bo-sach-link-overlay {
    display: flex;
    gap: 1.6rem;
    text-decoration: none;
    color: inherit;
}
.bo-sach-link-overlay:hover {
    text-decoration: none;
    color: inherit;
}
a.bo-sach-link-overlay:hover, a.bo-sach-link-overlay:focus {
    outline: none;
}
.bo-sach-left-img {
    width: 7.2rem;
    height: 9.6rem;
    flex-shrink: 0;
    background: #f8fafc;
    border-radius: 0.8rem;
    overflow: hidden;
    box-shadow: 0 0.4rem 1rem rgba(0, 0, 0, 0.05);
}
.bo-sach-cover-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.bo-sach-right-info {
    flex: 1;
    min-width: 0;
}
.bo-sach-badge-row {
    display: flex;
    gap: 0.6rem;
    margin-bottom: 0.8rem;
}
.badge-status-active {
    background: #f1f5f9;
    color: #475569;
    font-size: 1.0rem;
    font-weight: 600;
    padding: 0.2rem 0.6rem;
    border-radius: 0.4rem;
}
.badge-status-premium {
    background: var(--premium-gold-light);
    color: #78350f;
    font-size: 1.0rem;
    font-weight: 700;
    padding: 0.2rem 0.6rem;
    border-radius: 0.4rem;
}
.bo-sach-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--Text-Primary-Text);
    margin: 0 0 0.4rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.bo-sach-subtitle {
    font-size: 1.2rem;
    color: var(--Text-Secondary-Text);
    margin: 0 0 1.2rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.subject-progress-section {
    margin-top: auto;
}
.progress-label-row {
    display: flex;
    justify-content: space-between;
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.4rem;
}
.p-label { color: #64748b; }
.p-value { color: var(--Text-Primary-Text); }
.progress-bar-track-redesign {
    height: 0.6rem;
    background: #e2e8f0;
    border-radius: 0.3rem;
    overflow: hidden;
}
.progress-bar-fill-redesign {
    height: 100%;
    border-radius: 0.3rem;
    transition: width 0.4s ease;
}
.progress-bar-fill-redesign.fill-green { background: #10b981; }
.progress-bar-fill-redesign.fill-orange { background: #f59e0b; }
.progress-bar-fill-redesign.fill-red { background: #ef4444; }

.bo-sach-action-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    padding: 1.2rem 2rem 2rem;
    border-top: 0.1rem solid #f1f5f9;
}
.btn-subject-action {
    flex: 1;
    min-width: 10rem;
    text-align: center;
    padding: 0.8rem 1.2rem;
    border-radius: 0.8rem;
    font-size: 1.2rem;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.2s;
}
.btn-subject-action.btn-style-1 { background: #f0fdfa; color: #0d9488; }
.btn-subject-action.btn-style-1:hover { background: #0d9488; color: white; }
.btn-subject-action.btn-style-2 { background: #fffbeb; color: #d97706; }
.btn-subject-action.btn-style-2:hover { background: #d97706; color: white; }
.btn-subject-action.btn-style-3 { background: #f0fdf4; color: #16a34a; }
.btn-subject-action.btn-style-3:hover { background: #16a34a; color: white; }
.btn-subject-action.btn-style-4 { background: #fff1f2; color: #e11d48; }
.btn-subject-action.btn-style-4:hover { background: #e11d48; color: white; }

.activate-book-btn-container {
    text-align: center;
    margin: 2.4rem 0;
}
.btn-activate-book-premium {
    background: #ffffff;
    color: var(--Text-Primary-Text);
    border: 0.15rem solid #cbd5e1;
    border-radius: 1.2rem;
    padding: 1.2rem 2.4rem;
    font-size: 1.4rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s;
    box-shadow: 0 0.4rem 1.2rem rgba(0, 0, 0, 0.02);
}
.btn-activate-book-premium:hover {
    border-color: var(--color1);
    color: var(--color1);
    transform: translateY(-0.1rem);
    box-shadow: 0 0.6rem 1.6rem rgba(0, 182, 183, 0.1);
}

.empty-books-state-card {
    text-align: center;
    background: #f8fafc;
    border: 0.2rem dashed #cbd5e1;
    border-radius: 1.6rem;
    padding: 4rem 2.4rem;
    margin-bottom: 2.4rem;
}
.empty-state-icon {
    font-size: 4rem;
    margin-bottom: 1.2rem;
}
.empty-state-text {
    font-size: 1.4rem;
    color: var(--Text-Secondary-Text);
    margin: 0;
}

/* 5. Phân tích AI & Góc động lực */
.ai-analysis-premium-section {
    margin-bottom: 2.4rem;
}
.ai-analysis-card {
    background: linear-gradient(135deg, #faf5ff 0%, #f5f3ff 100%);
    border: 0.15rem solid #ddd6fe;
    border-radius: 1.6rem;
    padding: 2rem;
    box-shadow: 0 0.4rem 1.6rem rgba(124, 58, 237, 0.04);
}
.ai-card-title-row {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.6rem;
}
.ai-sparkle-icon {
    font-size: 2.2rem;
}
.ai-card-title-row h4 {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--premium-purple);
    margin: 0;
}
.ai-strength-weakness-row {
    display: flex;
    gap: 2rem;
    margin-bottom: 1.6rem;
}
.ai-sw-col {
    flex: 1;
    background: #ffffff;
    border-radius: 1.2rem;
    padding: 1.2rem 1.6rem;
    border: 0.1rem solid #e8e5f9;
}
.sw-tag {
    display: inline-block;
    font-size: 1.1rem;
    font-weight: 700;
    padding: 0.2rem 0.6rem;
    border-radius: 0.4rem;
    margin-bottom: 1rem;
}
.strength .sw-tag { background: #dcfce7; color: #166534; }
.weakness .sw-tag { background: #fee2e2; color: #991b1b; }
.ai-sw-col ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}
.ai-sw-col ul li {
    font-size: 1.25rem;
    color: var(--Text-Primary-Text);
}
.ai-advice-bubble {
    background: #ffffff;
    border-left: 0.4rem solid var(--premium-purple);
    padding: 1.2rem 1.6rem;
    border-radius: 0 1.2rem 1.2rem 0;
    margin-bottom: 1.6rem;
}
.ai-advice-bubble p {
    font-size: 1.3rem;
    color: #475569;
    margin: 0;
    line-height: 1.5;
}
.ai-card-motivation-footer {
    text-align: center;
    border-top: 0.1rem dashed #ddd6fe;
    padding-top: 1.2rem;
}
.motivation-quote {
    font-size: 1.25rem;
    font-style: italic;
    color: #6b21a8;
    font-weight: 500;
}

/* 6. Grid Tính năng Showcase */
.study-features-showcase-section {
    margin-bottom: 3.2rem;
}
.study-features-showcase-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(28rem, 1fr));
    gap: 1.6rem;
}
.feature-showcase-card {
    position: relative;
    background: #f8fafc;
    border: 0.15rem solid #e2e8f0;
    border-radius: 1.6rem;
    padding: 2rem;
    display: flex;
    gap: 1.6rem;
    transition: border-color 0.2s, background-color 0.2s;
}
.feature-showcase-card:hover {
    border-color: var(--color1);
    background: #ffffff;
}
.feature-showcase-card.premium {
    border-color: #ddd6fe;
    background: #faf5ff;
}
.feature-showcase-card.premium:hover {
    border-color: var(--premium-purple);
    background: #ffffff;
}
.feature-showcase-icon {
    font-size: 2.8rem;
    flex-shrink: 0;
}
.feature-showcase-details h4 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--Text-Primary-Text);
    margin: 0 0 0.6rem;
}
.feature-showcase-details p {
    font-size: 1.2rem;
    color: var(--Text-Secondary-Text);
    margin: 0;
    line-height: 1.4;
}
.premium-feature-tag {
    position: absolute;
    top: 1.2rem;
    right: 1.2rem;
    background: var(--premium-purple);
    color: white;
    font-size: 0.9rem;
    font-weight: 700;
    padding: 0.2rem 0.6rem;
    border-radius: 0.4rem;
    text-transform: uppercase;
}

/* 7. Premium CTA Banner */
.premium-upgrade-cta-banner {
    margin: 3.2rem 0;
}
.banner-gradient-background {
    background: linear-gradient(135deg, #7c3aed 0%, #ee3f22 100%);
    border-radius: 2rem;
    padding: 3.2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2.4rem;
    box-shadow: 0 1.2rem 2.8rem rgba(124, 58, 237, 0.15);
}
.banner-text-details {
    flex: 1;
    color: white;
}
.banner-text-details h3 {
    font-size: 2.2rem;
    font-weight: 800;
    margin: 0 0 0.8rem;
}
.banner-text-details p {
    font-size: 1.4rem;
    margin: 0;
    opacity: 0.9;
    line-height: 1.5;
}
.banner-action-button {
    flex-shrink: 0;
}
.btn-banner-upgrade {
    background: #ffffff;
    color: #7c3aed;
    font-size: 1.4rem;
    font-weight: 800;
    padding: 1.4rem 2.8rem;
    border-radius: 1.2rem;
    text-decoration: none;
    display: inline-block;
    transition: transform 0.2s, box-shadow 0.2s;
    box-shadow: 0 0.4rem 1.2rem rgba(0, 0, 0, 0.1);
}
.btn-banner-upgrade:hover {
    transform: translateY(-0.2rem);
    box-shadow: 0 0.8rem 2.4rem rgba(0, 0, 0, 0.15);
    color: #ee3f22;
    text-decoration: none;
}

/* =============================================================
   ENHANCED GAMIFICATION BAR STYLES (services.js)
   ============================================================= */

/* Blocks in gamification panel */
.gbar-block {
    background: #ffffff;
    border: 0.1rem solid #e2e8f0;
    border-radius: 1.4rem;
    padding: 1.4rem;
    margin-bottom: 1.2rem;
    box-shadow: 0 0.2rem 0.8rem rgba(0,0,0,0.02);
}
.gbar-card-header {
    border-bottom: 0.1rem solid #f1f5f9;
    padding-bottom: 0.8rem;
    margin-bottom: 1rem;
}
.gbar-card-header h5 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--Text-Primary-Text);
    margin: 0;
}

/* 1. Streak Card & Lịch 7 ngày */
.gbar-streak-card {
    padding-bottom: 1.6rem;
}
.gbar-streak-week {
    display: flex;
    justify-content: space-between;
    margin-bottom: 1.4rem;
    border-bottom: 0.1rem dashed #f1f5f9;
    padding-bottom: 1rem;
}
.gbar-streak-day {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 3.2rem;
}
.day-name {
    font-size: 1.0rem;
    font-weight: 600;
    color: var(--Text-Tertiary-Text);
    margin-bottom: 0.4rem;
}
.day-status-circle {
    width: 2.4rem;
    height: 2.4rem;
    border-radius: 50%;
    background: #f1f5f9;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
}
.gbar-streak-day.status-fire .day-status-circle {
    background: var(--streak-fire-glow);
}
.gbar-streak-day.status-ice .day-status-circle {
    background: #eff6ff;
}
.day-icon {
    line-height: 1;
}

.gbar-streak-main {
    display: flex;
    align-items: center;
    gap: 1.6rem;
}
.gbar-streak-flame-circle {
    position: relative;
    width: 5.6rem;
    height: 5.6rem;
    border-radius: 50%;
    background: linear-gradient(135deg, #ffedd5 0%, #fed7aa 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}
.flame-icon-large {
    font-size: 2.4rem;
    filter: drop-shadow(0 0.4rem 0.8rem rgba(249, 115, 22, 0.25));
}
.flame-count {
    position: absolute;
    bottom: -0.2rem;
    background: var(--streak-fire);
    color: white;
    font-size: 1.1rem;
    font-weight: 800;
    border-radius: 1rem;
    padding: 0.1rem 0.6rem;
    border: 0.15rem solid white;
}
.gbar-streak-desc h5 {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--streak-fire);
    margin: 0 0 0.2rem;
}
.gbar-streak-sub-text {
    font-size: 1.1rem;
    color: var(--Text-Secondary-Text);
    margin: 0;
}

/* 2. Level Card & XP ProgressBar */
.gbar-level-row {
    display: flex;
    align-items: center;
    gap: 1.2rem;
    margin-bottom: 1.2rem;
}
.gbar-level-badge-circle {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 4.8rem;
    height: 4.8rem;
    border-radius: 50%;
    background: linear-gradient(135deg, #6366f1 0%, #4f46e5 100%);
    color: white;
    box-shadow: 0 0.4rem 1rem rgba(79, 70, 229, 0.25);
}
.lvl-number { font-size: 1.6rem; font-weight: 800; line-height: 1.1; }
.lvl-label { font-size: 0.8rem; font-weight: 700; text-transform: uppercase; line-height: 1; }

.lvl-name-badge {
    background: var(--premium-gold-light);
    color: #78350f;
    font-size: 0.9rem;
    font-weight: 700;
    padding: 0.2rem 0.6rem;
    border-radius: 0.4rem;
    display: inline-block;
    margin-bottom: 0.2rem;
}
.lvl-title-text {
    display: block;
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--Text-Primary-Text);
}

.gbar-xp-labels {
    display: flex;
    justify-content: space-between;
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.6rem;
}
.gbar-xp-labels .xp-label { color: var(--Text-Tertiary-Text); }
.gbar-xp-labels .xp-value { color: var(--Text-Primary-Text); }
.gbar-xp-bar-track {
    height: 0.8rem;
    background: #e2e8f0;
    border-radius: 0.4rem;
    overflow: hidden;
    margin-bottom: 0.6rem;
}
.gbar-xp-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, #ea580c 0%, #ef4444 100%);
    border-radius: 0.4rem;
}
.gbar-xp-remaining-text {
    font-size: 1.05rem;
    color: var(--Text-Tertiary-Text);
    margin: 0;
}

/* 3. Leaderboard list */
.gbar-leaderboard-list {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    margin-bottom: 1rem;
}
.gbar-leaderboard-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.6rem;
    border-radius: 0.8rem;
    transition: background-color 0.2s;
}
.gbar-leaderboard-item.is-current-user {
    background: #eff6ff;
    border: 0.1rem solid #bfdbfe;
}
.item-rank {
    font-size: 1.2rem;
    font-weight: 700;
    width: 1.8rem;
    text-align: center;
    color: var(--Text-Secondary-Text);
}
.item-rank.top-1 { color: #eab308; }
.item-rank.top-2 { color: #94a3b8; }
.item-rank.top-3 { color: #b45309; }

.item-avatar-mini {
    width: 2.4rem;
    height: 2.4rem;
    border-radius: 50%;
    color: white;
    font-size: 0.9rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.item-name {
    flex: 1;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--Text-Primary-Text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.item-xp {
    font-size: 1.2rem;
    font-weight: 700;
    color: #ef4444;
}
.gbar-card-more-link {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--color1);
    text-decoration: none;
    display: block;
    text-align: center;
}
.gbar-card-more-link:hover {
    text-decoration: underline;
}

/* 4. Huy hiệu Badges */
.gbar-badges-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.8rem;
}
.gbar-badge-item-icon {
    position: relative;
    aspect-ratio: 1;
    background: #f8fafc;
    border: 0.1rem solid #e2e8f0;
    border-radius: 0.8rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    cursor: pointer;
    transition: transform 0.2s;
}
.gbar-badge-item-icon:hover {
    transform: scale(1.08);
}
.gbar-badge-item-icon.is-locked {
    filter: grayscale(1) opacity(0.5);
    background: #f1f5f9;
}
.badge-lock-overlay {
    position: absolute;
    bottom: -0.2rem;
    right: -0.2rem;
    font-size: 0.9rem;
    background: #ffffff;
    border-radius: 50%;
    padding: 0.1rem;
}

/* 5. GBar footer action buttons */
.gbar-footer-actions {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}
.gbar-action-btn {
    width: 100%;
    padding: 1.2rem;
    border-radius: 1.2rem;
    font-size: 1.3rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
}
.gbar-action-btn.checkin-btn {
    background: #f1f5f9;
    color: var(--Text-Primary-Text);
    border: 0.1rem solid #cbd5e1;
}
.gbar-action-btn.checkin-btn:hover {
    border-color: var(--color1);
    color: var(--color1);
    background: #ffffff;
}
.gbar-action-btn.checkin-btn.gbar-checkin__btn--done {
    background: #ecfdf5;
    border-color: #86efac;
    color: #047857;
    cursor: default;
}
.gbar-action-btn.redeem-btn {
    background: #fef08a;
    color: #854d0e;
}
.gbar-action-btn.redeem-btn:hover {
    background: #fde047;
    transform: translateY(-0.1rem);
}

@media (max-width: 991px) {
    .dashboard-header-premium {
        flex-direction: column;
        align-items: flex-start;
        gap: 1.6rem;
    }
    .header-countdown-block {
        width: 100%;
    }
    .countdown-badge-card {
        justify-content: center;
    }
}
@media (max-width: 767px) {
    .grid-bo-sach-redesign {
        grid-template-columns: 1fr;
    }
    .banner-gradient-background {
        flex-direction: column;
        padding: 2.4rem;
        text-align: center;
    }
    .banner-action-button {
        width: 100%;
    }
    .btn-banner-upgrade {
        width: 100%;
        text-align: center;
    }
}

/* =================================================================
   SECTION 6 — ON-LUYEN DASHBOARD COLUMNS LAYOUT
   ================================================================= */

.on-luyen-dashboard-container {
    display: flex;
    gap: 2.4rem;
    width: 100%;
}

.on-luyen-main-content {
    flex: 1;
    min-width: 0;
}

.on-luyen-sidebar-content {
    width: 28rem;
    flex-shrink: 0;
    box-sizing: border-box;
}

.on-luyen-gamification-backdrop {
    flex-shrink: 0;
}

.gamification-popup-close {
    display: none;
}

@media (max-width: 991px) {
    .on-luyen-dashboard-container {
        display: block;
    }

    body.gamification-popup-open {
        overflow: hidden;
    }

    .on-luyen-gamification-backdrop {
        position: fixed;
        inset: 0;
        z-index: 1200;
        visibility: hidden;
        background: rgba(15, 23, 42, 0.64);
        opacity: 0;
        transition: opacity 0.25s ease, visibility 0.25s ease;
    }

    .on-luyen-gamification-backdrop.is-open {
        visibility: visible;
        opacity: 1;
    }

    .on-luyen-sidebar-content {
        position: absolute;
        top: 0;
        right: 0;
        width: min(42rem, 86vw);
        height: 100%;
        padding: 5.6rem 1.6rem 2rem;
        overflow-y: auto;
        background: #f8fafc;
        box-shadow: -1.2rem 0 3.6rem rgba(15, 23, 42, 0.22);
        transform: translateX(100%);
        transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .on-luyen-gamification-backdrop.is-open .on-luyen-sidebar-content {
        transform: translateX(0);
    }

    .gamification-popup-close {
        position: absolute;
        z-index: 2;
        top: 1.2rem;
        right: 1.6rem;
        display: inline-flex;
        width: 3.6rem;
        height: 3.6rem;
        align-items: center;
        justify-content: center;
        border: 0;
        border-radius: 50%;
        background: #fff;
        color: #334155;
        box-shadow: 0 0.4rem 1.4rem rgba(15, 23, 42, 0.12);
        font-size: 2.6rem;
        line-height: 1;
    }

    .on-luyen-sidebar-content .gamification-panel {
        position: static !important;
        width: 100% !important;
        height: auto !important;
        max-height: none !important;
        padding: 0 !important;
        overflow: visible !important;
        transform: none !important;
        background: transparent !important;
        box-shadow: none !important;
        flex-direction: column !important;
        align-items: stretch !important;
    }

    .on-luyen-sidebar-content .gamification-toggle {
        display: none !important;
    }

    /* Popup/Drawer đủ rộng nên giữ nguyên nội dung gamification như desktop. */
    .on-luyen-sidebar-content .gamification-panel > * {
        flex: none;
        min-width: initial;
    }

    .on-luyen-sidebar-content .streak-widget {
        flex-direction: column;
        gap: initial;
    }

    .on-luyen-sidebar-content .streak-fire-container {
        width: 6rem;
        height: 7rem;
    }

    .on-luyen-sidebar-content .streak-fire-icon {
        font-size: 4rem;
    }

    .on-luyen-sidebar-content .streak-number {
        font-size: var(--streak-number-font);
    }

    .on-luyen-sidebar-content .streak-label,
    .on-luyen-sidebar-content .streak-subtitle,
    .on-luyen-sidebar-content .streak-history,
    .on-luyen-sidebar-content .level-badge-info,
    .on-luyen-sidebar-content .leaderboard-widget,
    .on-luyen-sidebar-content .badge-collection,
    .on-luyen-sidebar-content .redeem-btn {
        display: block;
    }

    .on-luyen-sidebar-content .streak-history {
        display: flex;
    }

    .on-luyen-sidebar-content .level-badge {
        padding: var(--spacing-md);
        gap: var(--spacing-md);
    }

    .on-luyen-sidebar-content .level-badge-icon {
        width: 4.8rem;
        height: 4.8rem;
        font-size: 1.8rem;
    }

    .on-luyen-sidebar-content .xp-widget {
        flex: none;
    }
}

@media (max-width: 767px) {
    .on-luyen-gamification-backdrop {
        background: #f8fafc;
    }

    .on-luyen-sidebar-content {
        width: 100vw;
        padding-inline: 1.2rem;
        box-shadow: none;
    }
}

@media (min-width: 768px) {
    .on-luyen-sidebar-content .gamification-panel {
        position: static;
        transform: none;
        width: 100%;
        box-shadow: none;
        border-radius: 1.6rem;
        padding: 0;
        max-height: none;
        overflow-y: visible;
        background: transparent;
    }
    .on-luyen-sidebar-content .gamification-toggle {
        display: none;
    }
}


/* =================================================================
   SECTION 7 — REDESIGN PREMIUM DASHBOARD (HERO, CARDS, BUTTONS)
   ================================================================= */

/* 1. Body Background with depth gradients */


/* 2. Header Improvements (if exists) */
.header-premium-nav {
    height: 6.8rem;
    background: rgba(255, 255, 255, 0.88);
    backdrop-filter: blur(1.4rem);
    box-shadow: 0 0.8rem 2.4rem rgba(15, 23, 42, 0.06);
}
.header-premium-nav .menu-item {
    font-size: 1.5rem;
    font-weight: 600;
    padding: 1rem 1.4rem;
    border-radius: 1.2rem;
    transition: all var(--transition-fast);
}
.header-premium-nav .menu-item.active {
    background: rgba(238, 63, 34, 0.08);
    color: var(--primary);
}

/* 3. Hero Card (Khối chào mừng) */
.hero-card {
    border-radius: 2.4rem;
    padding: .4rem 1.8rem 0 1rem;
    background: linear-gradient(135deg, #FFFFFF 0%, #FFF7F3 100%);
    box-shadow: var(--shadow-card);
    border: 0.1rem solid rgba(238, 63, 34, 0.08);
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2.4rem;
}
.hero-card .hero-mascot {
    position: relative;
    flex: 0 0 10rem;
    width: 10rem;
    height: 10rem;
    display: flex;
    align-items: center;
    justify-content: center;
    perspective: 40rem;
}
.hero-card .hero-mascot::after {
    content: "✦";
    position: absolute;
    top: 0.5rem;
    right: 0.2rem;
    color: #F59E0B;
    font-size: 1.8rem;
    filter: drop-shadow(0 0 0.6rem rgba(245, 158, 11, 0.55));
    animation: hero-mascot-sparkle 2.4s ease-in-out infinite;
}
.hero-card .hero-mascot img {
    width: 10rem;
    height: 10rem;
    object-fit: contain;
    transform-origin: 50% 88%;
    filter: drop-shadow(0 1rem 1.4rem rgba(0, 173, 181, 0.2));
    animation: hero-mascot-welcome 3.2s ease-in-out infinite;
}
.hero-card .header-greeting-block {
    flex: 1;
    min-width: 0;
}
@keyframes hero-mascot-welcome {
    0%, 100% { transform: translateY(0) rotate(-1.5deg); }
    28% { transform: translateY(-0.7rem) rotate(2.5deg); }
    46% { transform: translateY(-0.3rem) rotate(-2deg) scale(1.025); }
    68% { transform: translateY(-0.8rem) rotate(1.5deg); }
}
@keyframes hero-mascot-sparkle {
    0%, 100% { opacity: 0.35; transform: scale(0.7) rotate(0); }
    50% { opacity: 1; transform: scale(1.15) rotate(25deg); }
}
@media (prefers-reduced-motion: reduce) {
    .hero-card .hero-mascot img,
    .hero-card .hero-mascot::after {
        animation: none;
    }
}
.hero-card .header-greeting-block h2 {
    font-size: 2.4rem;
    font-weight: 800;
    color: var(--text);
    margin: 0 0 0.6rem 0;
}
.hero-card .greeting-subtitle {
    font-size: 1.4rem;
    color: var(--muted);
    margin: 0;
}
.hero-card .countdown-badge-card {
    background: #FFFFFF;
    border: 0.1rem solid rgba(238, 63, 34, 0.12);
    color: var(--primary);
    border-radius: 99.9rem;
    padding: 1rem 1.6rem;
    font-weight: 700;
    box-shadow: 0 0.8rem 2rem rgba(238, 63, 34, 0.08);
    display: flex;
    align-items: center;
    gap: 0.8rem;
}
.hero-card .countdown-badge-num {
    font-size: 1.8rem;
    font-weight: 800;
}
@media (max-width: 767px) {
    .hero-card {
        flex-direction: column;
        gap: 1.6rem;
        align-items: stretch;
        padding: 1.6rem;
    }
    .hero-card .hero-mascot {
        align-self: center;
    }
        .hero-card .header-greeting-block {
            text-align: center;
        }
}
/* 4. Ô tìm kiếm / tra cứu ID */
.compact-search-box-container {
    background: var(--card);
    border-radius: var(--radius-md);
    padding: 1.6rem;
    box-shadow: var(--shadow-card);
    border: 0.1rem solid var(--border);
    margin-bottom: 2.4rem;
}
.compact-input-group {
    display: flex;
    align-items: center;
    height: 5.2rem;
    border-radius: 1.6rem;
    background: #F9FBFC;
    border: 0.1rem solid var(--border);
    padding: 0.4rem 0.6rem;
}
.compact-search-label {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--muted);
    padding: 1.2rem 1.2rem;
    border-right: 0.1rem solid var(--border);
    border-radius: 1.2rem;
}
.compact-search-input {
    flex: 1;
    border: none;
    background: transparent;
    padding: 0 1.6rem;
    font-size: 1.4rem;
    color: var(--text);
}
.compact-search-input:focus {
    outline: none;
}
.compact-search-submit-btn {
    height: 4.4rem;
    padding: 0 2.2rem;
    border-radius: 1.4rem;
    font-size: 1.4rem;
    font-weight: 700;
    border: none;
    color: white;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-2) 100%);
    box-shadow: 0 0.4rem 1.2rem rgba(238, 63, 34, 0.2);
    cursor: pointer;
    transition: all var(--transition-fast);
}
.compact-search-submit-btn:hover {
    transform: translateY(-0.1rem);
    box-shadow: 0 1rem 2.4rem rgba(238, 63, 34, 0.28);
}

/* 5. Card Việc cần làm hôm nay */
.today-tasks-premium-card.app-card {
    padding: 2.4rem;
    border-radius: 2.4rem;
    background: linear-gradient(135deg, #FFFFFF 0%, #F8FBFF 100%);
    box-shadow: 0 1.4rem 3.6rem rgba(15, 23, 42, 0.08);
    border: 0.1rem solid var(--border);
    margin-bottom: 2.4rem;
}
.today-tasks-premium-card .tasks-card-header h4 {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--text);
    margin: 0;
}
.today-tasks-premium-card .tasks-header-badge {
    background: rgba(0, 173, 181, 0.08);
    color: var(--secondary);
    font-size: 1.1rem;
    font-weight: 700;
    border-radius: 99.9rem;
    padding: 0.4rem 1rem;
}
.task-checklist-item {
    min-height: 3.6rem;
    display: flex;
    align-items: center;
    gap: 1.2rem;
}
.task-checkbox-icon {
    width: 2.2rem;
    height: 2.2rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.1rem;
    background: #F3F4F6;
    color: #9CA3AF;
}
.task-checkbox-icon.completed {
    background: rgba(34, 197, 94, 0.12) !important;
    color: var(--success) !important;
}

/* 6. Card sách ôn luyện */
.book-card {
    border-radius: 2.2rem !important;
    background: #FFFFFF !important;
    border: 0.1rem solid var(--c) !important;
    border-bottom-width: 3px !important;
    box-shadow: var(--shadow-card) !important;
    transition: all 0.2s ease !important;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}
.book-card:hover {
    transform: translateY(-0.4rem);
    box-shadow: var(--shadow-card-hover) !important;
    border-color: rgba(238, 63, 34, 0.3) !important;
}
.book-card .bo-sach-cover-img {
    width: 7.6rem !important;
    height: 10.4rem !important;
    border-radius: 1.2rem !important;
    object-fit: cover !important;
    box-shadow: 0 0.8rem 2rem rgba(15, 23, 42, 0.15) !important;
}
.book-card .bo-sach-title {
    font-size: 1.5rem !important;
    font-weight: 800 !important;
    line-height: 1.35 !important;
    color: var(--text) !important;
}
.book-card .bo-sach-subtitle {
    font-size: 1.4rem !important;
    font-weight: 500;
    color: var(--c) !important;
}

/* 7. Progress bar sách */
.book-card .progress-bar-track-redesign {
    height: 0.8rem !important;
    background: #EEF2F7 !important;
    border-radius: 99.9rem !important;
    overflow: hidden !important;
    margin-top: 0.4rem;
}
.book-card .progress-bar-fill-redesign {
    height: 100% !important;
    border-radius: 99.9rem !important;
    background: linear-gradient(90deg, var(--primary) 0%, #FFB020 100%) !important;
}
.book-card .progress-label-row .p-value {
    font-size: 1.2rem !important;
    font-weight: 700 !important;
    color: var(--text) !important;
}
.book-card .progress-detail-text {
    margin-top: 0.6rem;
    font-size: 1.1rem;
    line-height: 1.3;
    color: var(--muted);
}

/* 8. Badge Premium và Gói thường trên card sách */
.book-card .badge-status-premium {
    padding: 0.4rem 0.8rem !important;
    border-radius: 99.9rem !important;
    color: #92400E !important;
    background: linear-gradient(135deg, #FEF3C7 0%, #FDE68A 100%) !important;
    font-size: 1.1rem !important;
    font-weight: 800 !important;
    border: 0.1rem solid #F59E0B !important;
    box-shadow: 0 0.2rem 0.6rem rgba(245, 158, 11, 0.18);
}
.book-card .badge-status-regular {
    padding: 0.4rem 0.8rem !important;
    border-radius: 99.9rem !important;
    color: var(--muted) !important;
    background: rgba(107, 114, 128, 0.08) !important;
    font-size: 1.1rem !important;
    font-weight: 700 !important;
}

/* 9. Buttons trong card sách */
.book-card .btn-subject-action {
    height: 3.8rem !important;
    border-radius: 1.2rem !important;
    font-size: 1.3rem !important;
    font-weight: 700 !important;
    padding: 0 1.4rem !important;
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
    border: none !important;
    transition: all var(--transition-fast) !important;
}
.book-card .btn-subject-action:hover {
    filter: brightness(0.96);
    transform: translateY(-0.1rem);
}
.book-card .btn-style-1 {
    background: rgba(0, 173, 181, 0.1) !important;
    color: #008C93 !important;
}
.book-card .btn-style-2 {
    background: rgba(245, 158, 11, 0.12) !important;
    color: #B45309 !important;
}
.book-card .btn-style-3 {
    background: rgba(34, 197, 94, 0.12) !important;
    color: #15803D !important;
}
.book-card .btn-style-4 {
    background: rgba(236, 72, 153, 0.12) !important;
    color: #BE185D !important;
}

/* 10. Nút Kích hoạt bộ sách siêu nổi bật */
.btn-activate-book-premium {
    height: 5.2rem !important;
    padding: 0 3.2rem !important;
    border-radius: 1.6rem !important;
    font-size: 1.6rem !important;
    font-weight: 800 !important;
    color: #FFFFFF !important;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-2) 100%) !important;
    border: none !important;
    box-shadow: 0 1.2rem 3.2rem rgba(238, 63, 34, 0.35) !important;
    cursor: pointer !important;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275) !important;
    display: inline-flex !important;
    align-items: center;
    gap: 0.8rem !important;
}
.btn-activate-book-premium:hover {
    transform: translateY(-0.3rem) scale(1.03) !important;
    box-shadow: 0 1.8rem 4rem rgba(238, 63, 34, 0.45) !important;
    filter: brightness(1.05) !important;
}
.btn-activate-book-premium:active {
    transform: translateY(-0.1rem) scale(1) !important;
}

/* 11. Khối AI phân tích */
.ai-card {
    border-radius: 2.6rem !important;
    padding: 2.4rem !important;
    background:
        radial-gradient(circle at top left, rgba(124, 58, 237, 0.12), transparent 26rem),
        linear-gradient(135deg, #FAF7FF 0%, #FFFFFF 100%) !important;
    border: 0.1rem solid rgba(124, 58, 237, 0.16) !important;
    box-shadow: var(--shadow-ai) !important;
    margin-bottom: 2.4rem;
}
.ai-card .ai-card-title-row h4 {
    font-size: 1.8rem !important;
    font-weight: 900 !important;
    color: #6D28D9 !important;
}
.ai-card .ai-sw-col.strength {
    background: #FFFFFF !important;
    border: 0.1rem solid rgba(34, 197, 94, 0.16) !important;
    border-radius: 1.8rem !important;
    padding: 1.6rem !important;
}
.ai-card .ai-sw-col.weakness {
    background: #FFFFFF !important;
    border: 0.1rem solid rgba(239, 68, 68, 0.16) !important;
    border-radius: 1.8rem !important;
    padding: 1.6rem !important;
}
.ai-card .ai-advice-bubble {
    background: #FFFFFF !important;
    border-left: 0.4rem solid var(--ai) !important;
    border-radius: 1.4rem !important;
    padding: 1.4rem 1.6rem !important;
    box-shadow: 0 0.4rem 1.2rem rgba(0,0,0,0.02) !important;
}

/* 12. Khối khám phá tính năng & Banner Premium AI */
.feature-card {
    min-height: 11.2rem !important;
    padding: 2rem !important;
    border-radius: 2.2rem !important;
    background: #FFFFFF !important;
    border: 0.1rem solid var(--border) !important;
    box-shadow: 0 1rem 2.6rem rgba(15, 23, 42, 0.05) !important;
    transition: all var(--transition-normal);
}
.feature-card:hover {
    transform: translateY(-0.2rem);
    box-shadow: var(--shadow-card-hover) !important;
}
.feature-card .feature-showcase-icon {
    width: 4.4rem !important;
    height: 4.4rem !important;
    border-radius: 1.4rem !important;
    font-size: 2.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
}
.feature-card .feature-showcase-details h4 {
    font-size: 1.5rem !important;
    font-weight: 800 !important;
}
.feature-card .feature-showcase-details p {
    font-size: 1.3rem !important;
    color: var(--muted) !important;
    line-height: 1.5 !important;
}
.feature-card .premium-feature-tag {
    background: linear-gradient(135deg, var(--ai), #A855F7) !important;
    color: #FFFFFF !important;
    border-radius: 99.9rem !important;
    font-size: 1rem !important;
    font-weight: 800 !important;
    padding: 0.4rem 0.8rem !important;
}

.premium-banner {
    border-radius: 2.6rem !important;
    padding: 2.8rem 3.2rem !important;
    background: linear-gradient(135deg, var(--ai) 0%, #EC4899 45%, var(--primary) 100%) !important;
    box-shadow: 0 1.8rem 4.2rem rgba(124, 58, 237, 0.25) !important;
    margin-bottom: 2.4rem;
}
.premium-banner .banner-text-details h3 {
    font-size: 2.4rem !important;
    font-weight: 900 !important;
    color: #FFFFFF !important;
}
.premium-banner .banner-text-details p {
    font-size: 1.4rem !important;
    line-height: 1.6 !important;
    color: rgba(255, 255, 255, 0.9) !important;
}
.premium-banner .btn-banner-upgrade {
    height: 4.8rem !important;
    padding: 0 2.4rem !important;
    border-radius: 1.6rem !important;
    background: #FFFFFF !important;
    color: var(--ai) !important;
    font-weight: 900 !important;
    box-shadow: 0 1.2rem 2.8rem rgba(255, 255, 255, 0.25) !important;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: all var(--transition-fast);
}
.premium-banner .btn-banner-upgrade:hover {
    transform: translateY(-0.2rem);
    box-shadow: 0 1.6rem 3.6rem rgba(255, 255, 255, 0.35);
}

/* =================================================================
   SECTION 8 — STICKY SIDEBAR & STANDALONE SCROLL
   ================================================================= */

@media (min-width: 992px) {
    .on-luyen-sidebar-content {
        position: sticky !important;
        top: 7.4rem !important;
        max-height: calc(100vh - 8.8rem) !important;
        overflow-y: auto !important;
        overflow-x: hidden !important;
        width: 30.8rem;
        margin-left: -1.4rem;
        margin-right: -1.4rem;
        padding: 0 1.4rem 2.4rem;
        scrollbar-width: none !important; /* Firefox */
    }
    .on-luyen-sidebar-content::-webkit-scrollbar {
        display: none !important; /* Safari/Chrome */
    }
}

/* Sidebar cards style standardization */
.on-luyen-sidebar-content .gamification-panel {
    display: flex;
    flex-direction: column;
    gap: 1.8rem;
    padding-bottom: 2.4rem;
}
.on-luyen-sidebar-content .gamification-panel > div:not(.streak-widget) {
    border-radius: 2.2rem !important;
    padding: 1.8rem !important;
    background: #FFFFFF !important;
    box-shadow: var(--shadow-card) !important;
    border: 0.1rem solid var(--border) !important;
}

/* Sidebar widget details; nền Streak được quản lý tại bộ tier gốc. */
.on-luyen-sidebar-content .streak-fire-container {
    width: 5.8rem !important;
    height: 5.8rem !important;
    border-radius: 50% !important;
    background: linear-gradient(135deg, #FFEDD5 0%, #FDBA74 100%) !important;
    box-shadow: 0 1rem 2.4rem rgba(245, 158, 11, 0.25) !important;
}
.on-luyen-sidebar-content .streak-label {
    font-size: 1.8rem !important;
    font-weight: 800 !important;
    color: #EA580C !important;
}

.on-luyen-sidebar-content .level-badge {
    display: flex;
    align-items: center;
    gap: 1.2rem;
}
.on-luyen-sidebar-content .level-badge-icon {
    width: 5.8rem !important;
    height: 5.8rem !important;
    border-radius: 1.8rem !important;
    background: linear-gradient(135deg, var(--primary) 0%, #FFB020 100%) !important;
    color: #FFFFFF !important;
    font-size: 2rem !important;
    font-weight: 900 !important;
    box-shadow: 0 1.2rem 2.8rem rgba(238, 63, 34, 0.28) !important;
    display: flex;
    align-items: center;
    justify-content: center;
}

.on-luyen-sidebar-content .xp-widget .xp-bar {
    height: 0.8rem !important;
    background: #EEF2F7 !important;
    border-radius: 99.9rem !important;
}
.on-luyen-sidebar-content .xp-widget .xp-bar-fill {
    background: linear-gradient(90deg, var(--primary), #FFB020) !important;
}

.on-luyen-sidebar-content .leaderboard-item {
    height: 4.4rem !important;
    border-radius: 1.4rem !important;
    padding: 0.8rem 1rem !important;
}
.on-luyen-sidebar-content .leaderboard-item:nth-child(-n+3) {
    background: linear-gradient(135deg, #FFF7ED 0%, #FFFFFF 100%) !important;
}
.on-luyen-sidebar-content .leaderboard-item.is-self {
    background: rgba(0, 173, 181, 0.1) !important;
    border: 0.1rem solid rgba(0, 173, 181, 0.22) !important;
}
.on-luyen-sidebar-content .leaderboard-xp {
    color: var(--primary) !important;
    font-weight: 800 !important;
}

.on-luyen-sidebar-content .badge-item {
    width: 4.4rem !important;
    height: 4.4rem !important;
    border-radius: 1.4rem !important;
    background: #FFFFFF !important;
    border: 0.1rem solid var(--border) !important;
    box-shadow: 0 0.6rem 1.6rem rgba(15, 23, 42, 0.06) !important;
}
.on-luyen-sidebar-content .badge-item.unlocked {
    border-color: rgba(245, 158, 11, 0.35) !important;
    background: linear-gradient(135deg, #FFFFFF 0%, #FFF7ED 100%) !important;
}
.on-luyen-sidebar-content .badge-item.locked {
    opacity: 0.35 !important;
    filter: grayscale(1) !important;
}

/* Fine-tuning dashboard density and premium gamification polish */
.on-luyen-dashboard-container {
    gap: 1.6rem;
}

.hero-card,
.compact-search-box-container,
.today-tasks-premium-card.app-card,
.ai-card,
.premium-banner {
    margin-bottom: 1.6rem !important;
}

.subject-section-header {
    margin: 2.4rem 0 1.2rem !important;
}

.grid-bo-sach-redesign,
.study-features-showcase-grid {
    gap: 1.6rem !important;
    margin-bottom: 1.6rem !important;
}

.bo-sach-card-inner {
    padding: 1.6rem !important;
}

.bo-sach-link-overlay {
    gap: 1.4rem !important;
}

.book-card .bo-sach-left-img,
.bo-sach-left-img {
    width: 8.6rem !important;
    height: 11.6rem !important;
    overflow: hidden !important;
    border-radius: 0 !important;
    background: transparent !important;
    box-shadow: none !important;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.book-card .bo-sach-cover-img,
.bo-sach-cover-img {
    width: 100% !important;
    height: 100% !important;
    object-fit: contain !important;
    border-radius: 0 !important;
    box-shadow: none !important;
    transform: none !important;
    z-index: 1;
}

.on-luyen-sidebar-content .gamification-panel {
    gap: 1.6rem !important;
}

.on-luyen-sidebar-content .gamification-panel > div {
    border-radius: 1.8rem !important;
    padding: 1.6rem !important;
}

.gbar-checkin__btn {
    width: 100% !important;
    min-height: 4.8rem !important;
    margin: 0 0 0.4rem !important;
    padding: 1rem 1.4rem !important;
    border: 0 !important;
    border-radius: 1.4rem !important;
    background: linear-gradient(135deg, #F97316 0%, #F59E0B 52%, #FBBF24 100%) !important;
    color: #FFFFFF !important;
    box-shadow: 0 1.4rem 2.8rem rgba(249, 115, 22, 0.32), inset 0 0.1rem 0 rgba(255, 255, 255, 0.35) !important;
    font-size: 1.35rem !important;
    font-weight: 900 !important;
    gap: 0.8rem !important;
    letter-spacing: 0 !important;
    transform-origin: center;
    transition: opacity 0.45s ease, transform 0.45s cubic-bezier(0.22, 1, 0.36, 1), max-height 0.45s ease, margin 0.45s ease, padding 0.45s ease;
}

.gbar-checkin__btn:hover {
    transform: translateY(-0.2rem) scale(1.01);
    filter: brightness(1.04);
    box-shadow: 0 1.8rem 3.4rem rgba(249, 115, 22, 0.4), inset 0 0.1rem 0 rgba(255, 255, 255, 0.4) !important;
}

.gbar-checkin__btn:disabled {
    opacity: 0.82 !important;
}

.gbar-checkin__btn.is-leaving {
    max-height: 0 !important;
    min-height: 0 !important;
    margin: 0 !important;
    padding-top: 0 !important;
    padding-bottom: 0 !important;
    opacity: 0 !important;
    transform: translateY(-1rem) scale(0.96);
    pointer-events: none;
}

.checkin-xp-float {
    margin-left: -3.2rem;
    margin-top: -1.8rem;
    color: #F97316 !important;
    text-shadow: 0 0.4rem 1.6rem rgba(249, 115, 22, 0.25);
    animation: checkin-xp-rise 1.35s ease-out forwards !important;
}

@keyframes checkin-xp-rise {
    0% { opacity: 0; transform: translateY(0.8rem) scale(0.78); }
    18% { opacity: 1; transform: translateY(-0.6rem) scale(1.12); }
    100% { opacity: 0; transform: translateY(-5.8rem) scale(1.02); }
}

.feature-card {
    position: relative;
    min-height: 0 !important;
    padding: 1.4rem 1.6rem !important;
    border-radius: 1.6rem !important;
    display: grid !important;
    grid-template-columns: 4rem minmax(0, 1fr);
    grid-template-rows: auto auto;
    column-gap: 1.2rem;
    row-gap: 0.4rem;
    align-items: center;
}

.feature-card .feature-showcase-icon {
    grid-row: 1;
    grid-column: 1;
    width: 3.8rem !important;
    height: 3.8rem !important;
    border-radius: 1.2rem !important;
    font-size: 2rem !important;
    background: rgba(0, 173, 181, 0.08);
}

.feature-card .feature-showcase-details {
    display: contents;
}

.feature-card .feature-showcase-details h4 {
    grid-row: 1;
    grid-column: 2;
    margin: 0 !important;
    line-height: 1.25 !important;
}

.feature-card .feature-showcase-details p {
    grid-row: 2;
    grid-column: 1 / -1;
    margin: 0.4rem 0 0 !important;
    line-height: 1.4 !important;
}

.feature-card.premium {
    border-color: rgba(245, 158, 11, 0.36) !important;
    background: linear-gradient(135deg, #FFFBEB 0%, #FFFFFF 100%) !important;
    box-shadow: 0 1.2rem 2.8rem rgba(245, 158, 11, 0.12) !important;
}

.feature-card.premium .feature-showcase-icon {
    background: linear-gradient(135deg, #FEF3C7 0%, #FBBF24 100%) !important;
    box-shadow: 0 0.8rem 1.8rem rgba(245, 158, 11, 0.25);
}

.feature-card .premium-feature-tag {
    position: absolute !important;
    top: 1rem !important;
    right: 1rem !important;
    background: linear-gradient(135deg, #F59E0B 0%, #FBBF24 55%, #FDE68A 100%) !important;
    color: #78350F !important;
    border: 0.1rem solid rgba(146, 64, 14, 0.18) !important;
    box-shadow: 0 0.8rem 1.8rem rgba(245, 158, 11, 0.22), inset 0 0.1rem 0 rgba(255, 255, 255, 0.55) !important;
    opacity: 1 !important;
    visibility: visible !important;
    transform: none !important;
}

.feature-card.premium .feature-showcase-details h4 {
    padding-right: 7.6rem;
}

/* =================================================================
   SECTION 9 - DASHBOARD TONG QUAN MON HOC
   ================================================================= */

.dashboard-container {
    min-height: calc(100vh - 7.2rem);
    color: var(--text);
}

.dashboard-header {
    position: sticky;
    top: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    gap: 2rem;
    padding: 1.4rem 2rem;
    background: #FFFFFF;
    border-bottom: 0.1rem solid var(--border);
    box-shadow: 0 0.4rem 1.2rem rgba(15, 23, 42, 0.06);
}

.dashboard-back-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    min-height: 4rem;
    padding: 0 1.2rem;
    border: 0.1rem solid #D1D5DB;
    border-radius: 0.8rem;
    background: #FFFFFF;
    color: #374151;
    font-weight: 800;
    cursor: pointer;
}

.dashboard-back-btn:focus,
.entry-card:focus,
.btn-link:focus,
.knowledge-gap-preview .btn:focus,
.entry-card .btn:focus {
    outline: 0.2rem solid rgba(0, 173, 181, 0.35);
    outline-offset: 0.2rem;
}

.dashboard-book {
    display: flex;
    align-items: center;
    min-width: 0;
    gap: 1.2rem;
}

.book-cover-sm {
    width: 5.6rem;
    height: 7.8rem;
    object-fit: cover;
    border-radius: 0.6rem;
    box-shadow: 0 0.8rem 1.8rem rgba(15, 23, 42, 0.18);
}

.book-title-block {
    min-width: 0;
}

.book-title-block h1 {
    margin: 0;
    font-size: 2rem;
    font-weight: 900;
    line-height: 1.25;
    color: var(--text);
}

.book-title-block p {
    margin: 0.3rem 0 0;
    font-size: 1.2rem;
    color: var(--muted);
}

.book-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    margin-top: 0.7rem;
}

.completion-badge,
.premium-badge,
.regular-badge,
.premium-corner {
    display: inline-flex;
    align-items: center;
    border-radius: 99.9rem;
    padding: 0.3rem 0.8rem;
    font-size: 1.1rem;
    font-weight: 900;
}

.completion-badge {
    color: #047857;
    background: #D1FAE5;
}

.premium-badge,
.premium-corner {
    color: #78350F;
    background: linear-gradient(135deg, #F59E0B 0%, #FBBF24 55%, #FDE68A 100%);
    border: 0.1rem solid rgba(146, 64, 14, 0.18);
    box-shadow: 0 0.8rem 1.8rem rgba(245, 158, 11, 0.22), inset 0 0.1rem 0 rgba(255, 255, 255, 0.55);
}

.regular-badge {
    color: #4B5563;
    background: #F3F4F6;
}

.dashboard-main {
    width: min(120rem, calc(100% - 3.2rem));
    margin: 0 auto;
    padding: 2rem 0 4rem;
    display: flex;
    flex-direction: column;
    gap: 1.8rem;
}

.dashboard-section,
.dashboard-widget {
    position: relative;
    background: #FFFFFF;
    border: 0.1rem solid var(--border);
    border-radius: 1.2rem;
    box-shadow: 0 0.8rem 2rem rgba(15, 23, 42, 0.06);
}

.dashboard-section {
    padding: 1.8rem;
}

.section-title-row,
.widget-header,
.preview-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.section-title-row h2,
.preview-header h2,
.widget-header h3 {
    margin: 0;
    font-size: 1.8rem;
    font-weight: 900;
}

.preview-header p,
.section-note {
    margin: 0.3rem 0 0;
    font-size: 1.2rem;
    color: var(--muted);
}

.subject-progress {
    margin-top: 1.4rem;
}

.progress-meta {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin-bottom: 0.8rem;
}

.progress-meta strong {
    font-size: 2.4rem;
    color: var(--secondary);
}

.dashboard-progress-track {
    height: 1.4rem;
    overflow: hidden;
    border-radius: 99.9rem;
    background: #E5E7EB;
}

.dashboard-progress-track.slim {
    height: 0.8rem;
}

.dashboard-progress-fill {
    height: 100%;
    min-width: 0.4rem;
    border-radius: inherit;
    background: linear-gradient(90deg, var(--secondary), var(--success));
    transition: width 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.dashboard-progress-fill.secondary {
    background: var(--bg-grad-90);
}

.dashboard-stats-row {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1rem;
    margin-top: 1.6rem;
}

.dashboard-stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.4rem;
    min-width: 0;
    min-height: 9.6rem;
    padding: 1.2rem;
    border-radius: 1rem;
    background: #F9FAFB;
    border: 0.1rem solid #E5E7EB;
}

.dashboard-stat-item i {
    font-size: 2rem;
    color: var(--primary);
}

.dashboard-stat-item span {
    font-size: 1.1rem;
    color: var(--muted);
    font-weight: 800;
}

.dashboard-stat-item strong {
    max-width: 100%;
    font-size: 1.6rem;
    font-weight: 900;
    overflow-wrap: anywhere;
    text-align: center;
}

.level-progress {
    margin-top: 1.4rem;
}

.level-copy {
    margin-bottom: 0.6rem;
    font-size: 1.2rem;
    font-weight: 800;
    color: #374151;
}

.entry-cards-row {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.2rem;
}

.entry-card {
    position: relative;
    min-height: 18rem;
    padding: 1.6rem;
    border: 0.1rem solid var(--border);
    border-radius: 1.2rem;
    background: #FFFFFF;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    animation: dashboard-pop-in 0.35s ease both;
}

.entry-card:focus {
    box-shadow: 0 0 0 0.3rem rgba(0, 173, 181, 0.16), 0 1.2rem 2.8rem rgba(15, 23, 42, 0.1);
}

.entry-card:hover {
    transform: translateY(-0.3rem);
    box-shadow: 0 1.2rem 2.8rem rgba(15, 23, 42, 0.1);
}

.entry-card:nth-child(2) {
    animation-delay: 0.06s;
}

.entry-card:nth-child(3) {
    animation-delay: 0.12s;
}

.entry-icon {
    width: 4.4rem;
    height: 4.4rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 1.2rem;
    color: #FFFFFF;
    background: linear-gradient(135deg, var(--secondary), #14B8A6);
    font-size: 2rem;
}

.entry-card h3 {
    margin: 1.2rem 0 0.6rem;
    font-size: 1.6rem;
    font-weight: 900;
}

.entry-card p {
    min-height: 4rem;
    margin: 0 0 1rem;
    color: var(--muted);
    font-size: 1.3rem;
    line-height: 1.45;
}

.premium-entry {
    border-color: rgba(124, 58, 237, 0.18);
    background: linear-gradient(135deg, #FFFFFF 0%, #FAF7FF 100%);
}

.premium-entry.is-locked {
    border-style: dashed;
}

.premium-corner {
    position: absolute;
    top: 1rem;
    right: 1rem;
}

.widgets-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 1.2rem;
    padding: 0;
    background: transparent;
    border: 0;
    box-shadow: none;
}

.dashboard-widget {
    min-height: 24rem;
    padding: 1.6rem;
    overflow: hidden;
}

.dashboard-widget.is-loading {
    min-height: 24rem;
}

.btn-link {
    border: 0;
    background: transparent;
    color: var(--secondary);
    font-weight: 900;
    cursor: pointer;
}

.plan-list,
.leaderboard-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 1.4rem;
}

.weekly-plan-content {
    padding: 1.2rem;
    border-radius: 1rem;
    background: #F9FAFB;
    color: var(--text-main);
    font-size: 1.3rem;
    line-height: 1.65;
    white-space: pre-wrap;
}

.plan-item,
.lb-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    min-height: 5.2rem;
    padding: 1rem;
    border-radius: 1rem;
    background: #F9FAFB;
}

.plan-item p {
    margin: 0.2rem 0 0;
    font-size: 1.2rem;
    color: var(--muted);
}

.priority-dot {
    width: 1rem;
    height: 1rem;
    border-radius: 50%;
    background: var(--secondary);
    flex: 0 0 auto;
}

.priority-dot.high {
    background: var(--danger);
}

.priority-dot.medium {
    background: var(--warning);
}

.priority-dot.low {
    background: var(--success);
}

.lb-rank {
    width: 3rem;
    height: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: #EEF2FF;
    color: #4338CA;
    font-weight: 900;
}

.lb-name {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-weight: 800;
}

.lb-item.is-self {
    background: rgba(0, 173, 181, 0.1);
    border: 0.1rem solid rgba(0, 173, 181, 0.22);
}

.empty-widget {
    padding: 2rem 1rem;
    color: var(--muted);
    font-size: 1.3rem;
    text-align: center;
}

.dashboard-skeleton-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 1.4rem;
}

.dashboard-skeleton-list span {
    display: block;
    height: 5.2rem;
    border-radius: 1rem;
    background: linear-gradient(90deg, #F3F4F6 0%, #E5E7EB 45%, #F3F4F6 90%);
    background-size: 200% 100%;
    animation: dashboard-skeleton 1.2s ease-in-out infinite;
}

.dashboard-skeleton-list.knowledge {
    margin-top: 1.6rem;
}

.lock-layer {
    position: absolute;
    inset: 1rem;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    padding: 1.6rem;
    border-radius: 1rem;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(0.4rem);
    color: var(--text);
    text-align: center;
    cursor: pointer;
}

.lock-layer i {
    font-size: 2.4rem;
    color: var(--ai);
}

.lock-layer span {
    max-width: 34rem;
    font-size: 1.2rem;
    color: var(--muted);
}

.lock-layer.large {
    inset: 7.2rem 1.6rem 1.6rem;
}

.knowledge-gap-preview {
    overflow: hidden;
}

.knowledge-gap-preview.is-locked .competency-overview,
.knowledge-gap-preview.is-locked .knowledge-gaps-list {
    filter: blur(0.25rem);
    opacity: 0.6;
    pointer-events: none;
}

.competency-overview {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
    margin-top: 1.6rem;
}

.competency-tile {
    min-height: 9.6rem;
    padding: 1.2rem;
    border-radius: 1rem;
    border: 0.1rem solid #E5E7EB;
    background: #F9FAFB;
}

.competency-tile strong,
.competency-tile span,
.competency-tile small {
    display: block;
}

.competency-tile strong {
    font-size: 1.3rem;
    font-weight: 900;
}

.competency-tile span {
    margin-top: 0.6rem;
    font-size: 2.2rem;
    font-weight: 900;
}

.competency-tile small {
    color: var(--muted);
}

.competency-tile.green {
    background: #ECFDF5;
    color: #047857;
}

.competency-tile.yellow {
    background: #FFFBEB;
    color: #B45309;
}

.competency-tile.red {
    background: #FEF2F2;
    color: #B91C1C;
}

.knowledge-gaps-list {
    margin-top: 1.6rem;
}

.knowledge-gaps-list h4 {
    margin: 0 0 1rem;
    font-size: 1.5rem;
    font-weight: 900;
}

.gap-item {
    display: grid;
    grid-template-columns: 6rem minmax(0, 1fr) auto;
    gap: 1rem;
    align-items: center;
    min-height: 7rem;
    padding: 1rem;
    border-radius: 1rem;
    background: #F9FAFB;
    border: 0.1rem solid #E5E7EB;
    margin-bottom: 0.8rem;
}

.gap-score {
    width: 5rem;
    height: 5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: #EEF2FF;
    color: #4338CA;
    font-weight: 900;
}

.gap-score.green {
    background: #D1FAE5;
    color: #047857;
}

.gap-score.yellow {
    background: #FEF3C7;
    color: #B45309;
}

.gap-score.red {
    background: #FEE2E2;
    color: #B91C1C;
}

.gap-content {
    min-width: 0;
}

.gap-content strong {
    display: block;
    font-weight: 900;
}

.gap-content p {
    margin: 0.3rem 0 0;
    font-size: 1.2rem;
    color: var(--muted);
    line-height: 1.4;
}

.gap-actions {
    display: flex;
    gap: 0.6rem;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.gap-actions .btn:disabled {
    opacity: 0.65;
    cursor: wait;
    transform: none;
}

.dashboard-loading,
.dashboard-error {
    min-height: 40rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    color: var(--muted);
    text-align: center;
}

.dashboard-loading i,
.dashboard-error i {
    font-size: 3rem;
}

.dashboard-error i {
    color: var(--danger);
}

@keyframes dashboard-pop-in {
    from { opacity: 0; transform: translateY(1rem) scale(0.98); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes dashboard-skeleton {
    from { background-position: 120% 0; }
    to { background-position: -120% 0; }
}

@media (max-width: 991px) {
    .entry-cards-row,
    .widgets-grid,
    .competency-overview {
        grid-template-columns: 1fr;
    }

    .dashboard-stats-row {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 767px) {
    .dashboard-header {
        align-items: flex-start;
        gap: 1rem;
        padding: 1rem 1.2rem;
    }

    .dashboard-back-btn span,
    .book-cover-sm,
    .section-note {
        display: none;
    }

    .book-title-block h1 {
        font-size: 1.6rem;
    }

    .dashboard-main {
        width: min(100% - 2rem, 120rem);
        padding-top: 1.2rem;
    }

    .gap-item {
        grid-template-columns: 5.6rem minmax(0, 1fr);
    }

    .gap-actions {
        grid-column: 1 / -1;
        justify-content: stretch;
    }

    .gap-actions .btn {
        flex: 1;
    }

    .lock-layer.large {
        inset: 8.8rem 1rem 1rem;
    }
}

@media (max-width: 480px) {
    .dashboard-stats-row {
        grid-template-columns: 1fr;
    }

    .preview-header {
        align-items: flex-start;
        flex-direction: column;
    }
}

/* =================================================================
   SECTION 11 - SUBJECT DASHBOARD V2
   ================================================================= */

.dashboard-toolbar {
    min-height: 5.2rem;
    display: flex;
    align-items: center;
    gap: 1.2rem;
    padding: 0.8rem max(1.6rem, calc((100% - 128rem) / 2));
    color: var(--text);
}

.dashboard-toolbar-title {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    min-width: 0;
    font-size: 2.2rem;
    font-weight: 700;
    line-height: 1.4;
}

.dashboard-toolbar .dashboard-back-btn {
    min-height: auto;
    padding: 1rem;
    border: 0;
    background: transparent;
    color: #0A34BE;
    font-size: 2rem;
}

.dashboard-toolbar-title > span {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.subject-dashboard-grid {
    width: min(128rem, calc(100% - 3.2rem));
    margin: 0 auto;
    display: grid;
    grid-template-columns: minmax(0, 2fr) minmax(32rem, 1fr);
    gap: 1.8rem;
    align-items: start;
}

.subject-dashboard-left,
.subject-dashboard-right {
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 1.6rem;
}

.subject-dashboard-right {
    position: sticky;
    top: 1.6rem;
}

.subject-banner {
    min-height: 24rem;
    display: grid;
    grid-template-columns: 16rem minmax(0, 1fr);
    gap: 2rem;
    padding: 2rem;
    overflow: hidden;
    border: 0.1rem solid #CDECEC;
    border-radius: 0.8rem;
    background: linear-gradient(135deg, #F2FFFF 0%, #FFFFFF 58%, #FFF7ED 100%);
}

.subject-banner-cover {
    width: 16rem;
    height: 20rem;
    align-self: center;
    object-fit: contain;
}

.subject-banner-content {
    min-width: 0;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 2rem;
}

.subject-banner-heading {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1.2rem;
}

.subject-banner-label,
.widget-eyebrow {
    display: block;
    margin-bottom: 0.4rem;
    color: var(--secondary);
    font-size: 1.1rem;
    font-weight: 900;
    text-transform: uppercase;
}

.subject-banner h1 {
    margin: 0;
    color: var(--text);
    font-size: 2.8rem;
    font-weight: 900;
    line-height: 1.2;
}

.subject-banner-heading p {
    margin: 0.6rem 0 0;
    color: var(--muted);
    font-size: 1.45rem;
    line-height: 1.45;
}

.subject-banner-progress > div:first-child {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin-bottom: 0.8rem;
    color: var(--muted);
    font-size: 1.25rem;
    font-weight: 800;
}

.subject-banner-progress strong {
    color: var(--secondary);
    font-size: 2.2rem;
}

.subject-actions {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
}

.subject-action-btn {
    min-height: 6.4rem;
    display: grid;
    grid-template-columns: 3.6rem minmax(0, 1fr) auto;
    align-items: center;
    gap: 0.8rem;
    padding: 1rem 1.2rem;
    border: 0.1rem solid var(--border);
    border-radius: 0.8rem;
    background: #fff;
    color: var(--text);
    text-align: left;
    cursor: pointer;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.subject-action-btn:hover,
.subject-action-btn:focus-visible {
    border-color: var(--secondary);
    box-shadow: 0 0.8rem 1.8rem rgba(0, 182, 183, 0.12);
    transform: translateY(-0.2rem);
}

.subject-action-btn > i {
    width: 3.6rem;
    height: 3.6rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 0.8rem;
    background: #E8F8F8;
    color: #008D95;
    font-size: 1.6rem;
}

.subject-action-btn span {
    min-width: 0;
    font-size: 1.25rem;
    font-weight: 900;
    overflow-wrap: anywhere;
}

.subject-action-btn small {
    padding: 0.2rem 0.5rem;
    border-radius: 99rem;
    background: #FFF1D6;
    color: #B45309;
    font-size: 0.9rem;
    font-weight: 900;
}

.subject-action-btn.is-locked {
    border-style: dashed;
    background: #FFFCF5;
}

.subject-dashboard-right .dashboard-widget {
    min-height: 0;
    border-radius: 0.8rem;
}

.subject-dashboard-right .widget-header h2 {
    margin: 0;
    color: var(--text);
    font-size: 1.7rem;
    font-weight: 900;
}

.plan-period {
    margin: 1rem 0;
    color: var(--muted);
    font-size: 1.15rem;
    font-weight: 800;
}

.premium-widget-lock {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.7rem;
    padding: 1.6rem 1rem;
    text-align: center;
    cursor: pointer;
}

.premium-widget-lock img {
    width: 8rem;
    height: 8rem;
    object-fit: contain;
}

.premium-widget-lock i {
    color: var(--warning);
    font-size: 2.2rem;
}

.premium-widget-lock p {
    margin: 0;
    color: var(--muted);
    font-size: 1.2rem;
    line-height: 1.45;
}

.premium-widget-lock.compact {
    padding: 2rem 1rem;
}

.remediation-list {
    margin: 1.4rem 0 0;
    padding: 0;
    list-style: none;
}

.remediation-list li {
    display: grid;
    grid-template-columns: 3rem minmax(0, 1fr) 3.4rem;
    gap: 0.8rem;
    align-items: start;
    padding: 1.1rem 0;
    border-bottom: 0.1rem solid var(--border);
}

.remediation-list li:last-child {
    border-bottom: 0;
}

.remediation-index {
    width: 2.6rem;
    height: 2.6rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: #FEE2E2;
    color: #B91C1C;
    font-size: 1.1rem;
    font-weight: 900;
}

.remediation-list strong {
    font-size: 1.25rem;
}

.remediation-list p {
    margin: 0.25rem 0 0.5rem;
    color: var(--muted);
    font-size: 1.1rem;
    line-height: 1.4;
}

.remediation-target {
    color: #B45309;
    font-size: 1.05rem;
    font-weight: 800;
}

.icon-command {
    width: 3.4rem;
    height: 3.4rem;
    border: 0;
    border-radius: 50%;
    background: var(--secondary);
    color: #fff;
    cursor: pointer;
}

.knowledge-map-section {
    border-radius: 0.8rem;
}

.knowledge-map-section .preview-header {
    align-items: flex-start;
}

.knowledge-map-layout {
    display: grid;
    grid-template-columns: minmax(26rem, 0.9fr) minmax(0, 1.1fr);
    gap: 2rem;
    align-items: center;
    margin-top: 1.6rem;
}

.knowledge-radar {
    position: relative;
    width: min(100%, 34rem);
    aspect-ratio: 1;
    margin: 0 auto;
}

.knowledge-radar svg {
    width: 100%;
    height: 100%;
}

.knowledge-overall {
    position: absolute;
    inset: 50% auto auto 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    transform: translate(-50%, -50%);
    pointer-events: none;
}

.knowledge-overall strong {
    color: var(--secondary);
    font-size: 2rem;
}

.knowledge-overall span {
    color: var(--muted);
    font-size: 0.95rem;
}

.knowledge-topic-list {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.knowledge-topic-row {
    min-height: 5.6rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.8rem 1rem;
    border: 0.1rem solid var(--border);
    border-radius: 0.8rem;
    background: #FAFBFC;
    flex-wrap: wrap;
}

.knowledge-topic-row > div:first-child {
    flex: 1 1 0;
}

.knowledge-lesson-list {
    flex: 0 0 100%;
    padding-top: 0.6rem;
    border-top: 0.1rem solid var(--border);
}

.knowledge-lesson-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.5rem 0;
}

.knowledge-lesson-row > span:first-child {
    color: var(--Text-Primary-Text);
    font-size: 1.2rem;
}

.knowledge-lesson-row .knowledge-score {
    flex: 0 0 auto;
    margin-top: 0;
    font-size: 1.2rem;
}

.knowledge-topic-row strong,
.knowledge-topic-row span {
    display: block;
}

.knowledge-topic-row > div span {
    margin-top: 0.2rem;
    color: var(--muted);
    font-size: 1.05rem;
}

.knowledge-score {
    font-size: 1.5rem;
    font-weight: 900;
}

.knowledge-score.green { color: #047857; }
.knowledge-score.yellow { color: #B45309; }
.knowledge-score.red { color: #B91C1C; }

.knowledge-detail-lock {
    min-height: 6rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    border: 0.1rem dashed #F59E0B;
    border-radius: 0.8rem;
    background: #FFFBEB;
    color: #92400E;
    text-align: left;
    cursor: pointer;
}

.knowledge-detail-lock i {
    font-size: 1.8rem;
}

.knowledge-detail-lock span,
.knowledge-detail-lock small {
    display: block;
}

.knowledge-detail-lock small {
    margin-top: 0.2rem;
    color: #A16207;
}

.knowledge-premium-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
}

.knowledge-empty i,
.knowledge-empty strong,
.knowledge-empty p {
    display: block;
}

.knowledge-empty i {
    margin-bottom: 0.8rem;
    font-size: 2.4rem;
}

.knowledge-empty p {
    margin: 0.4rem 0 0;
}

/* Subject dashboard competency map — follows the roadmap prototype */
.dashboard-competency-card {
    padding: 1.8rem;
    border: 0.1rem solid var(--Border-Secondary-Border);
    border-radius: 1.6rem;
    background: #fff;
    box-shadow: 0 0.4rem 1.6rem rgba(15, 23, 42, 0.06);
}

.dashboard-competency-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.6rem;
    padding-bottom: 1.2rem;
    margin-bottom: 1.2rem;
    border-bottom: 0.1rem solid var(--Border-Secondary-Border);
}

.dashboard-competency-header h2 {
    margin: 0.3rem 0 0;
    color: var(--Text-Primary-Text);
    font-size: 1.8rem;
    font-weight: 800;
}

.dashboard-competency-legend {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 1.2rem;
    color: var(--Text-Secondary-Text);
    font-size: 1.1rem;
    font-weight: 600;
}

.dashboard-competency-legend span {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.dashboard-competency-legend .legend-dot {
    width: 1rem;
    height: 1rem;
    border-radius: 50%;
}

.dashboard-competency-legend .green { background: #10B981; }
.dashboard-competency-legend .yellow { background: #F59E0B; }
.dashboard-competency-legend .red { background: #EF4444; }

.dashboard-radar-summary {
    display: flex;
    align-items: center;
    gap: 1.8rem;
    padding: 1.4rem;
    margin-bottom: 1.6rem;
    border: 0.1rem dashed var(--Border-Primary-Border);
    border-radius: 1.2rem;
    background: #F9FAFB;
}

.dashboard-radar-chart {
    width: 22rem;
    height: 22rem;
    flex: 0 0 22rem;
}

.dashboard-radar-chart svg {
    width: 100%;
    height: 100%;
    overflow: visible;
}

.dashboard-radar-chart .radar-value {
    fill: rgba(0, 182, 183, 0.22);
    stroke: var(--color1);
    stroke-width: 0.2rem;
}

.dashboard-radar-info {
    flex: 1 1 0;
    min-width: 0;
}

.dashboard-radar-info h3 {
    margin: 0 0 0.6rem;
    color: var(--Text-Primary-Text);
    font-size: 1.4rem;
    font-weight: 800;
}

.dashboard-radar-info p {
    margin: 0;
    color: var(--Text-Secondary-Text);
    font-size: 1.2rem;
    line-height: 1.5;
}

.dashboard-radar-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    margin-top: 1rem;
}

.dashboard-radar-tags span {
    padding: 0.3rem 0.7rem;
    border-radius: 0.5rem;
    background: #E5E7EB;
    color: var(--Text-Secondary-Text);
    font-size: 1rem;
    font-weight: 800;
}

.dashboard-radar-tags .green { background: #D1FAE5; color: #047857; }
.dashboard-radar-tags .yellow { background: #FEF3C7; color: #B45309; }
.dashboard-radar-tags .red { background: #FEE2E2; color: #B91C1C; }

.dashboard-knowledge-tree {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.dashboard-tree-chapter {
    overflow: hidden;
    border: 0.1rem solid var(--Border-Secondary-Border);
    border-radius: 1.2rem;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.dashboard-tree-chapter:hover {
    border-color: #C2C2C2;
}

.dashboard-tree-header {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.2rem;
    padding: 1.2rem;
    border: 0;
    background: #F9FAFB;
    color: var(--Text-Primary-Text);
    text-align: left;
    cursor: pointer;
}

.dashboard-tree-header:hover {
    background: #F3F4F6;
}

.dashboard-tree-title {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    min-width: 0;
}

.dashboard-tree-title i {
    flex: 0 0 auto;
    color: var(--Text-Secondary-Text);
    font-size: 1.1rem;
    transition: transform 0.15s ease;
}

.dashboard-tree-chapter.is-collapsed .dashboard-tree-title i {
    transform: rotate(-90deg);
}

.dashboard-tree-title strong {
    font-size: 1.35rem;
    line-height: 1.35;
}

.dashboard-score-badge {
    min-width: 5.2rem;
    flex: 0 0 auto;
    padding: 0.35rem 0.8rem;
    border: 0.1rem solid transparent;
    border-radius: 1.2rem;
    font-size: 1.1rem;
    font-weight: 800;
    text-align: center;
}

.dashboard-score-badge.green { background: #DEF7EC; border-color: #BCF0DA; color: #03543F; }
.dashboard-score-badge.yellow { background: #FEF08A; border-color: #FDE047; color: #713F12; }
.dashboard-score-badge.red { background: #FDE8E8; border-color: #FBD5D5; color: #9B1C1C; }

.dashboard-tree-lessons {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    padding: 0.4rem;
    border-top: 0.1rem solid var(--Border-Secondary-Border);
}

.dashboard-tree-lesson {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.2rem;
    padding: 0.8rem 1.2rem;
    border-radius: 0.8rem;
}

.dashboard-tree-lesson:hover { background: #F9FAFB; }

.dashboard-lesson-info {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    min-width: 0;
    color: var(--Text-Primary-Text);
    font-size: 1.25rem;
    font-weight: 500;
}

.dashboard-lesson-info i { flex: 0 0 auto; font-size: 1.4rem; }
.dashboard-lesson-info .status-green { color: #10B981; }
.dashboard-lesson-info .status-yellow { color: #F59E0B; }
.dashboard-lesson-info .status-red { color: #EF4444; }

.dashboard-tree-empty {
    padding: 1.2rem;
    color: var(--Text-Secondary-Text);
    font-size: 1.2rem;
    text-align: center;
}

.dashboard-tree-chapter.is-locked .dashboard-tree-lesson {
    filter: blur(0.15rem);
    pointer-events: none;
    user-select: none;
}

.dashboard-tree-lock {
    position: absolute;
    inset: 0.4rem;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    border: 0;
    border-radius: 0.8rem;
    background: rgba(255, 255, 255, 0.76);
    color: var(--premium-gold, #B7791F);
    cursor: pointer;
    backdrop-filter: blur(0.1rem);
}

.dashboard-tree-lock > span,
.dashboard-tree-lock strong,
.dashboard-tree-lock small { display: block; }
.dashboard-tree-lock strong { color: var(--Text-Primary-Text); font-size: 1.2rem; }
.dashboard-tree-lock small { margin-top: 0.2rem; color: var(--color1); font-size: 1.05rem; font-weight: 700; }

.dashboard-competency-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    margin-top: 1.2rem;
}

@media (max-width: 1100px) {
    .subject-dashboard-grid {
        grid-template-columns: 1fr;
    }

    .subject-dashboard-right {
        position: static;
    }
}

@media (max-width: 767px) {
    .dashboard-toolbar {
        padding-inline: 1rem;
    }

    .dashboard-toolbar-title {
        font-size: 1.8rem;
    }

    .subject-dashboard-grid {
        width: calc(100% - 2rem);
        padding-top: 1rem;
    }

    .subject-banner {
        min-height: 0;
        grid-template-columns: 8rem minmax(0, 1fr);
        gap: 1.2rem;
        padding: 1.2rem;
    }

    .subject-banner-cover {
        width: 8rem;
        height: 11rem;
    }

    .subject-banner h1 {
        font-size: 2rem;
    }

    .subject-banner-heading {
        flex-wrap: wrap;
    }

    .subject-actions {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .knowledge-map-layout {
        grid-template-columns: 1fr;
    }

    .knowledge-radar {
        width: min(100%, 30rem);
    }

    .dashboard-competency-header,
    .dashboard-radar-summary {
        align-items: flex-start;
        flex-direction: column;
    }

    .dashboard-competency-legend {
        justify-content: flex-start;
    }

    .dashboard-radar-chart {
        width: min(100%, 24rem);
        height: auto;
        flex-basis: auto;
        align-self: center;
        aspect-ratio: 1;
    }
}

@media (max-width: 420px) {
    .subject-banner {
        grid-template-columns: 1fr;
    }

    .subject-banner-cover {
        width: 7rem;
        height: 9rem;
    }

    .subject-actions {
        grid-template-columns: 1fr;
    }
}

/* SECTION 10 - ABILITY MAP FREE PREVIEW */
.ability-map-page {
    min-height: 100vh;
    padding: 3.2rem 3.2rem 8rem;
    background: linear-gradient(180deg, #F6F8FB 0%, #EEF2F6 100%);
    color: var(--text);
}

.ability-map-shell {
    width: min(100%, 144rem);
    margin: 0 auto;
    display: grid;
    grid-template-columns: minmax(0, 1.08fr) minmax(34rem, 0.82fr);
    gap: 3.2rem;
    align-items: start;
}

.ability-map-card,
.ability-premium-panel {
    border: 0.1rem solid #DDE3EA;
    background: rgba(255, 255, 255, 0.96);
    box-shadow: 0 2rem 5rem rgba(15, 23, 42, 0.08);
}

.ability-map-card {
    padding: 2.8rem;
    border-radius: 1.8rem;
}

.ability-map-header {
    display: grid;
    grid-template-columns: minmax(24rem, 1fr) auto;
    gap: 2rem;
    align-items: center;
    padding-bottom: 2.2rem;
    border-bottom: 0.1rem solid #DDE3EA;
}

.ability-map-header h1 {
    margin: 0;
    font-size: 2.6rem;
    line-height: 1.16;
    font-weight: 900;
    color: #101828;
}

.ability-legend {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 2.8rem;
    flex-wrap: wrap;
}

.ability-legend span {
    display: inline-flex;
    align-items: center;
    gap: 0.7rem;
    font-size: 1.35rem;
    font-weight: 700;
    color: #111827;
}

.ability-legend .dot {
    width: 1.2rem;
    height: 1.2rem;
    border-radius: 999rem;
    flex: 0 0 auto;
}

.ability-legend .green,
.ability-score-chips .green,
.ability-topic-head .green,
.ability-lesson-row .green {
    background: #CFFAE9;
    color: #047857;
}

.ability-legend .yellow,
.ability-score-chips .yellow,
.ability-topic-head .yellow,
.ability-lesson-row .yellow {
    background: #FEF3C7;
    color: #B45309;
}

.ability-legend .red,
.ability-score-chips .red,
.ability-topic-head .red,
.ability-lesson-row .red {
    background: #FEE2E2;
    color: #DC2626;
}

.ability-legend .dot.green {
    background: #10B981;
}

.ability-legend .dot.yellow {
    background: #F59E0B;
}

.ability-legend .dot.red {
    background: #EF4444;
}

.ability-radar-panel {
    margin-top: 2.2rem;
    min-height: 29rem;
    display: grid;
    grid-template-columns: 26rem minmax(0, 1fr);
    gap: 2.6rem;
    align-items: center;
    padding: 2.4rem;
    border: 0.1rem dashed #CBD5E1;
    border-radius: 1.4rem;
    background: #FCFDFF;
}

.ability-radar svg {
    display: block;
    width: 100%;
    height: auto;
}

.radar-grid {
    fill: none;
    stroke: #DDE3EA;
    stroke-width: 1;
}

.radar-axis {
    stroke: #E5E7EB;
    stroke-width: 1;
}

.radar-value {
    fill: rgba(0, 182, 183, 0.28);
    stroke: #00B6B7;
    stroke-width: 2.4;
}

.radar-label {
    fill: #667085;
    font-size: 1.1rem;
    font-weight: 900;
    text-anchor: middle;
    dominant-baseline: middle;
}

.ability-summary h2 {
    margin: 0;
    color: #101828;
    font-size: 1.9rem;
    font-weight: 900;
}

.ability-summary p {
    margin: 0.8rem 0 1.5rem;
    max-width: 60rem;
    color: #667085;
    font-size: 1.35rem;
    line-height: 1.55;
    font-weight: 600;
}

.ability-score-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.ability-score-chips span,
.ability-topic-head span,
.ability-lesson-row > span {
    display: inline-flex;
    align-items: center;
    min-height: 2.4rem;
    padding: 0.3rem 0.9rem;
    border-radius: 0.6rem;
    font-size: 1.2rem;
    font-weight: 900;
    white-space: nowrap;
}

.ability-topic-list {
    margin-top: 2rem;
    display: grid;
    gap: 1.4rem;
}

.ability-topic {
    position: relative;
    overflow: hidden;
    border: 0.1rem solid #E5E7EB;
    border-radius: 1.4rem;
    background: #FFFFFF;
}

.ability-topic-head {
    width: 100%;
    min-height: 6.8rem;
    display: grid;
    grid-template-columns: 2.4rem minmax(0, 1fr) auto;
    align-items: center;
    gap: 1.2rem;
    padding: 1.4rem 2rem;
    border: 0;
    background: #FFFFFF;
    color: #101828;
    text-align: left;
}

.ability-topic-head i {
    color: #667085;
    font-size: 1.8rem;
}

.ability-topic-head strong {
    min-width: 0;
    font-size: 1.65rem;
    font-weight: 900;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.ability-topic-body {
    position: relative;
    display: grid;
    gap: 0.8rem;
    padding: 0 2rem 1.8rem 5.6rem;
}

.ability-lesson-row {
    display: grid;
    grid-template-columns: 2.2rem minmax(0, 1fr) auto;
    gap: 1rem;
    align-items: center;
    min-height: 5.4rem;
    padding: 0.8rem 1rem;
    border-radius: 1rem;
    background: #F8FAFC;
}

.ability-lesson-row.is-locked {
    filter: blur(0.2rem);
    opacity: 0.42;
}

.ability-lesson-row i {
    font-size: 1.8rem;
}

.ability-lesson-row i.fa-check-circle {
    color: #10B981;
}

.ability-lesson-row i.fa-exclamation-circle {
    color: #F59E0B;
}

.ability-lesson-row i.fa-times-circle {
    color: #EF4444;
}

.ability-lesson-row strong,
.ability-lesson-row p {
    display: block;
    min-width: 0;
}

.ability-lesson-row strong {
    color: #101828;
    font-size: 1.4rem;
    font-weight: 900;
}

.ability-lesson-row p {
    margin: 0.2rem 0 0;
    color: #667085;
    font-size: 1.2rem;
    line-height: 1.35;
}

.ability-inline-lock {
    position: absolute;
    left: 50%;
    bottom: 2.2rem;
    transform: translateX(-50%);
    z-index: 2;
    display: inline-flex;
    align-items: center;
    gap: 1.1rem;
    min-height: 4.6rem;
    padding: 0.9rem 1.8rem;
    border: 0.1rem solid #E5E7EB;
    border-radius: 1.2rem;
    background: rgba(255, 255, 255, 0.96);
    box-shadow: 0 1rem 3rem rgba(15, 23, 42, 0.14);
    color: #101828;
}

.ability-inline-lock i {
    color: #F59E0B;
}

.ability-inline-lock strong {
    font-size: 1.4rem;
    font-weight: 900;
}

.ability-inline-lock span {
    color: #00A8A9;
    font-weight: 900;
    white-space: nowrap;
}

.ability-premium-panel {
    position: sticky;
    top: 2.4rem;
    min-height: 51.8rem;
    border-radius: 1.8rem;
    overflow: hidden;
}

.ability-premium-blur {
    position: absolute;
    inset: 2.4rem;
    display: grid;
    align-content: center;
    gap: 1.8rem;
    filter: blur(0.6rem);
    opacity: 0.38;
}

.mock-line,
.mock-row,
.mock-actions span {
    border-radius: 999rem;
    background: #EEF2F7;
}

.mock-line {
    width: 65%;
    height: 2rem;
    margin: 0 auto;
}

.mock-line.long {
    width: 82%;
}

.mock-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 7rem;
    gap: 1.4rem;
    height: 4.6rem;
    padding: 1rem;
}

.mock-row span,
.mock-row i {
    display: block;
    border-radius: 999rem;
    background: #FFFFFF;
}

.mock-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-top: 1.2rem;
}

.mock-actions span {
    height: 4.4rem;
}

.ability-premium-content {
    position: relative;
    z-index: 1;
    min-height: 51.8rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 4.4rem;
    text-align: center;
}

.ability-robot {
    width: 12rem;
    height: 12rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 2rem;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
}
.ability-robot img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: drop-shadow(0 1.2rem 1.8rem rgba(0, 182, 183, 0.2));
}

.ability-premium-content h2 {
    margin: 0 0 1rem;
    color: #101828;
    font-size: 2.2rem;
    font-weight: 900;
}

.ability-premium-content p {
    margin: 0;
    max-width: 58rem;
    color: #667085;
    font-size: 1.45rem;
    line-height: 1.58;
    font-weight: 600;
}

.ability-premium-content strong {
    color: #FF6B1A;
}

.ability-upgrade-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.8rem;
    min-height: 4.8rem;
    margin-top: 3rem;
    padding: 0 2.8rem;
    border: 0;
    border-radius: 999rem;
    background: linear-gradient(135deg, #FF6B1A 0%, #FDBA2D 100%);
    color: #FFFFFF;
    box-shadow: 0 1.2rem 2.6rem rgba(255, 107, 26, 0.28);
    font-size: 1.5rem;
    font-weight: 900;
}

.ability-upgrade-btn:hover,
.ability-inline-lock:hover {
    transform: translateY(-0.1rem);
}

@media (max-width: 1199px) {
    .ability-map-shell {
        grid-template-columns: 1fr;
    }

    .ability-premium-panel {
        position: relative;
        top: auto;
    }
}

@media (max-width: 767px) {
    .ability-map-page {
        padding: 1.4rem 1rem 5rem;
    }

    .ability-map-card {
        padding: 1.4rem;
        border-radius: 1.4rem;
    }

    .ability-map-header,
    .ability-radar-panel {
        grid-template-columns: 1fr;
    }

    .ability-legend {
        justify-content: flex-start;
        gap: 1rem;
    }

    .ability-radar-panel {
        padding: 1.4rem;
    }

    .ability-radar {
        max-width: 26rem;
        margin: 0 auto;
    }

    .ability-topic-head {
        padding: 1.2rem;
    }

    .ability-topic-body {
        padding: 0 1.2rem 6.8rem;
    }

    .ability-lesson-row {
        grid-template-columns: 2rem minmax(0, 1fr);
    }

    .ability-lesson-row > span {
        grid-column: 2;
        width: max-content;
    }

    .ability-inline-lock {
        width: calc(100% - 2rem);
        justify-content: center;
        flex-wrap: wrap;
        bottom: 1.2rem;
    }

    .ability-premium-content {
        padding: 3rem 1.8rem;
    }
}