/* nlp-game.css — NLP Master Game | Design-System Aligned */
/* Google Fonts loaded from HTML — no @import needed */

/* ═══════════════════════════════════════
   Design Tokens (:root)
   ═══════════════════════════════════════ */
:root {
    /* ── Typography ── */
    --font-heading: 'Heebo', 'Rubik', sans-serif;
    --font-body: 'Rubik', 'Heebo', sans-serif;

    /* ── Primary palette ── */
    --color-primary-900: #002A32;
    --color-primary-800: #003B46;
    --color-primary-700: #00606B;
    --color-primary-600: #2F8592;
    --color-primary-500: #3A9BA8;
    --color-primary-400: #5BB8C4;
    --color-primary-300: #8DD0D9;
    --color-primary-200: #C4E8ED;
    --color-primary-100: #E8F1F2;

    /* ── Gold accent ── */
    --color-gold-600: #B8960E;
    --color-gold-500: #D4AF37;
    --color-gold-400: #E0C55A;
    --color-gold-300: #EBDA8A;
    --color-gold-100: #FBF5E0;

    /* ── Semantic ── */
    --color-success: #10B981;
    --color-warning: #F59E0B;
    --color-error: #EF4444;
    --color-info: #3B82F6;

    /* ── Backward-compatible aliases (used by JS var()) ── */
    --primary: var(--color-primary-600);
    --primary-light: var(--color-primary-500);
    --primary-dark: var(--color-primary-700);
    --primary-glow: rgba(47, 133, 146, 0.25);

    --accent-teal: var(--color-gold-500);
    --accent-teal-dark: var(--color-gold-600);
    --accent-pink: #f472b6;
    --accent-pink-dark: #ec4899;
    --accent-amber: #fbbf24;
    --accent-amber-dark: #f59e0b;
    --accent-orange: #fb923c;
    --accent-green: #34d399;
    --accent-green-dark: #10b981;
    --accent-red: #fb7185;
    --accent-red-dark: #f43f5e;

    /* ── Surfaces ── */
    --bg-base: var(--color-primary-800);
    --bg-raised: rgba(255, 255, 255, 0.05);
    --bg-overlay: rgba(255, 255, 255, 0.07);
    --bg-hover: rgba(255, 255, 255, 0.1);
    --bg-active: rgba(255, 255, 255, 0.14);
    --glass: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-border-hover: rgba(255, 255, 255, 0.18);
    --surface-modal: var(--color-primary-900);
    --surface-header-glass: rgba(0, 42, 50, 0.85);

    /* ── Text ── */
    --text-primary: var(--color-primary-100);
    --text-secondary: rgba(232, 241, 242, 0.65);
    --text-muted: rgba(232, 241, 242, 0.4);
    --text-on-primary: #ffffff;

    /* ── Borders ── */
    --border: rgba(255, 255, 255, 0.08);
    --border-light: rgba(255, 255, 255, 0.12);

    /* ── Radius (tighter, more polished) ── */
    --r-sm: 6px;
    --r-md: 8px;
    --r-lg: 12px;
    --r-xl: 16px;
    --r-full: 9999px;
    --radius-sm: var(--r-sm);
    --radius-md: var(--r-md);
    --radius-lg: var(--r-lg);
    --radius-xl: var(--r-xl);
    --radius-full: var(--r-full);

    /* ── Spacing scale (4px grid) ── */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;

    /* ── Shadows ── */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.25);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.35);
    --shadow-glow-primary: 0 0 24px rgba(47, 133, 146, 0.25);
    --shadow-glow-green: 0 0 24px rgba(52, 211, 153, 0.2);
    --shadow-glow-pink: 0 0 24px rgba(244, 114, 182, 0.2);
    --shadow-glow-gold: 0 4px 15px rgba(212, 175, 55, 0.3);

    /* ── Layout ── */
    --max-width: 580px;

    /* ── Transitions ── */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);

    /* ── Z-Index System ── */
    --z-base: 1;
    --z-encouragement: 50;
    --z-header: 80;
    --z-footer: 110;
    --z-feedback: 120;
    --z-user-menu: 100;
    --z-confetti: 150;
    --z-xp-popup: 200;
    --z-star-burst: 200;
    --z-xp-float: 300;
    --z-modal: 300;
    --z-achievement: 400;
    --z-onboarding: 450;
    --z-loading: 490;
    --z-auth: 500;
    --z-level-up: 500;
    --z-chat-fab: 1000;
    --z-chat-panel: 1001;
    --z-chat-toast: 1002;
}

/* ═══════════════════════════════════════
   Base & Reset
   ═══════════════════════════════════════ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

*:focus-visible {
    outline: 2px solid var(--color-primary-500);
    outline-offset: 2px;
}

::selection {
    background: rgba(47, 133, 146, 0.4);
}

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
    height: 100%;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-base);
    background-image:
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(47, 133, 146, 0.08) 0%, transparent 60%),
        radial-gradient(ellipse 60% 40% at 80% 100%, rgba(45, 212, 191, 0.05) 0%, transparent 50%);
    background-attachment: fixed;
    color: var(--text-primary);
    direction: rtl;
    min-height: 100%;
    line-height: 1.65;
    overflow-x: hidden;
    overflow-y: auto;
    padding-bottom: calc(120px + env(safe-area-inset-bottom, 0px));
    -webkit-overflow-scrolling: touch;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

#game-container {
    -webkit-overflow-scrolling: touch;
    position: relative;
    z-index: var(--z-base);
    transition: opacity 0.2s ease;
}

#game-container.fade-out {
    opacity: 0;
}

/* ═══════════════════════════════════════
   Container
   ═══════════════════════════════════════ */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--space-4) var(--space-5);
}

main,
.container {
    overscroll-behavior: contain;
}

/* ═══════════════════════════════════════
   Header
   ═══════════════════════════════════════ */
.header {
    position: sticky;
    top: 0;
    z-index: var(--z-header);
    background: linear-gradient(180deg, rgba(0, 42, 50, 0.98) 0%, rgba(0, 59, 70, 0.95) 100%);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid rgba(212, 175, 55, 0.15);
    padding: 0;
    margin-bottom: 0;
}

.logo {
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-light), var(--accent-teal));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.5px;
}

.stats-bar {
    display: flex;
    gap: var(--space-4);
    align-items: center;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 14px;
    font-weight: 700;
    background: var(--bg-raised);
    padding: 5px var(--space-3);
    border-radius: var(--r-full);
    border: 1px solid var(--border);
}

.stat-item .icon {
    font-size: 16px;
}

.stat-item.xp { color: var(--accent-amber); }
.stat-item.streak { color: var(--accent-orange); }
.stat-item.hearts { color: var(--accent-red); background: none; border: none; padding: 5px 0; }

/* ═══════════════════════════════════════
   Progress Bar
   ═══════════════════════════════════════ */
.progress-container {
    background: var(--bg-raised);
    border-radius: var(--r-full);
    height: 6px;
    overflow: hidden;
    margin-bottom: var(--space-6);
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--accent-teal));
    border-radius: var(--r-full);
    transition: width 0.6s var(--ease-out);
    position: relative;
}

/* ═══════════════════════════════════════
   Module Cards (Home Screen)
   ═══════════════════════════════════════ */
.modules-grid {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.module-card {
    background: var(--glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: var(--r-lg);
    padding: var(--space-5);
    display: flex;
    align-items: center;
    gap: var(--space-4);
    cursor: pointer;
    border: 1px solid var(--glass-border);
    transition: all 0.3s var(--ease-out);
    position: relative;
    overflow: hidden;
}

.module-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(47, 133, 146, 0.06), transparent 60%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.module-card:hover {
    border-color: var(--glass-border-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.module-card:hover::before {
    opacity: 1;
}

.module-card:active {
    transform: translateY(0);
}

.module-card.locked {
    opacity: 0.35;
    cursor: not-allowed;
}

.module-card.locked:hover {
    transform: none;
    box-shadow: none;
    border-color: var(--glass-border);
}

.module-card.completed {
    border-color: rgba(52, 211, 153, 0.2);
}

.module-card.completed::before {
    background: linear-gradient(135deg, rgba(52, 211, 153, 0.05), transparent 60%);
    opacity: 0.6;
}

.module-icon {
    width: 56px;
    height: 56px;
    background: var(--bg-overlay);
    border-radius: var(--r-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    flex-shrink: 0;
}

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

.module-title {
    font-family: var(--font-heading);
    font-size: 17px;
    font-weight: 800;
    margin-bottom: 3px;
    letter-spacing: -0.02em;
}

.module-desc {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.4;
}

.module-progress {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-top: var(--space-2);
}

.module-progress-bar {
    flex: 1;
    height: 5px;
    background: var(--bg-active);
    border-radius: var(--r-full);
    overflow: hidden;
}

.module-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--accent-teal));
    border-radius: var(--r-full);
    transition: width 0.5s var(--ease-out);
}

.module-progress-text {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-muted);
    min-width: 30px;
    text-align: left;
}

/* ═══════════════════════════════════════
   Lessons Screen
   ═══════════════════════════════════════ */
.lessons-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.lesson-item {
    background: var(--glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: var(--r-md);
    padding: var(--space-4) var(--space-5);
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    border: 1px solid var(--glass-border);
    transition: all var(--transition-base) var(--ease-out);
    position: relative;
    overflow: hidden;
}

.lesson-item:hover {
    background: var(--bg-hover);
    border-color: var(--glass-border-hover);
    transform: translateX(-4px);
}

.lesson-item.completed {
    border-color: rgba(52, 211, 153, 0.2);
}

.lesson-item.completed .lesson-status {
    color: var(--accent-green);
}

.lesson-item.locked {
    opacity: 0.35;
    cursor: not-allowed;
}

.lesson-item.locked:hover {
    transform: none;
    background: var(--glass);
    border-color: var(--glass-border);
}

.lesson-info {
    display: flex;
    align-items: center;
    gap: 14px;
}

.lesson-number {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: var(--r-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 15px;
    color: white;
}

.lesson-item.locked .lesson-number {
    background: var(--bg-active);
    color: var(--text-muted);
}

.lesson-item.completed .lesson-number {
    background: linear-gradient(135deg, var(--accent-green), var(--accent-green-dark));
}

.lesson-title {
    font-weight: 600;
    font-size: 16px;
}

.lesson-status {
    font-size: 22px;
}

/* ═══════════════════════════════════════
   Exercise Screen
   ═══════════════════════════════════════ */
.exercise-container {
    background: var(--glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: var(--r-xl);
    padding: 28px var(--space-6);
    margin-bottom: var(--space-5);
}

.exercise-type {
    font-family: var(--font-heading);
    font-size: 11px;
    font-weight: 700;
    color: var(--primary-light);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: var(--space-3);
}

.exercise-question {
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 700;
    margin-bottom: var(--space-6);
    line-height: 1.5;
    letter-spacing: -0.02em;
}

.exercise-text,
.question-text {
    font-size: 17px;
    line-height: 1.7;
    font-weight: 600;
}

/* ── Multiple Choice ── */
.options-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.option-btn {
    background: var(--bg-raised);
    border: 1px solid var(--border-light);
    border-radius: var(--r-md);
    padding: 15px 18px;
    text-align: right;
    font-size: 15px;
    font-family: var(--font-body);
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.2s var(--ease-out);
    display: flex;
    align-items: center;
    gap: 14px;
    line-height: 1.5;
    min-height: 48px;
    position: relative;
    overflow: hidden;
}

.option-btn:hover {
    border-color: var(--glass-border-hover);
    background: var(--bg-hover);
}

.option-btn:focus-visible {
    outline: 2px solid var(--color-primary-500);
    outline-offset: 2px;
}

.option-btn.selected {
    border-color: var(--primary);
    border-width: 2px;
    background: rgba(47, 133, 146, 0.12);
    box-shadow: var(--shadow-glow-primary);
}

.option-btn.selected::after {
    content: '✓';
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 16px;
    font-weight: 700;
    color: var(--primary);
    animation: checkPop 0.25s var(--ease-spring);
}

@keyframes checkPop {
    0% { transform: translateY(-50%) scale(0); }
    60% { transform: translateY(-50%) scale(1.3); }
    100% { transform: translateY(-50%) scale(1); }
}

.option-btn.correct {
    border-color: var(--accent-green);
    background: rgba(52, 211, 153, 0.08);
    box-shadow: var(--shadow-glow-green);
    animation: pulse-success 0.5s var(--ease-out);
}

.option-btn.incorrect {
    border-color: var(--accent-red);
    background: rgba(251, 113, 133, 0.08);
    box-shadow: var(--shadow-glow-pink);
    animation: shake 0.4s var(--ease-out);
}

.option-letter {
    width: 32px;
    height: 32px;
    border: 2px solid var(--border-light);
    border-radius: var(--r-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 13px;
    flex-shrink: 0;
    transition: all 0.2s ease;
}

.option-btn.selected .option-letter {
    border-color: var(--primary);
    background: var(--primary);
    color: white;
}

.option-btn.correct .option-letter {
    border-color: var(--accent-green);
    background: var(--accent-green);
    color: white;
}

.option-btn.incorrect .option-letter {
    border-color: var(--accent-red);
    background: var(--accent-red);
    color: white;
}

/* ── Fill in the Blank ── */
.fill-blank-container {
    margin-bottom: var(--space-5);
}

.template-text {
    font-size: 18px;
    line-height: 2;
    background: var(--bg-overlay);
    padding: var(--space-5);
    border-radius: var(--r-md);
    margin-bottom: var(--space-5);
    border: 1px solid var(--border);
    overflow-wrap: break-word;
    word-break: break-word;
}

.blank-slot {
    display: inline-block;
    min-width: min(140px, 40vw);
    border-bottom: 2px dashed var(--primary-light);
    padding: 2px var(--space-2);
    margin: 0 5px;
    text-align: center;
    color: var(--primary-light);
    font-weight: 700;
    transition: all 0.3s ease;
}

.blank-slot.filled {
    border-bottom-style: solid;
    background: rgba(47, 133, 146, 0.1);
    border-radius: var(--r-md);
}

.blank-slot.correct {
    border-color: var(--accent-green);
    color: var(--accent-green);
    background: rgba(52, 211, 153, 0.1);
}

.blank-slot.incorrect {
    border-color: var(--accent-red);
    color: var(--accent-red);
    background: rgba(251, 113, 133, 0.1);
    text-decoration: line-through;
}

.word-bank {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    justify-content: center;
}

.word-chip {
    background: var(--bg-overlay);
    border: 1px solid var(--border-light);
    border-radius: var(--r-full);
    padding: var(--space-2) var(--space-5);
    font-size: 14px;
    font-family: var(--font-body);
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.2s var(--ease-out);
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.word-chip:hover {
    border-color: var(--primary);
    background: rgba(47, 133, 146, 0.08);
    transform: translateY(-2px);
}

.word-chip:focus-visible {
    outline: 2px solid var(--color-primary-500);
    outline-offset: 2px;
}

.word-chip.selected {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

.word-chip.correct {
    background: var(--accent-green);
    border-color: var(--accent-green);
    color: white;
}

.word-chip.incorrect {
    background: var(--accent-red);
    border-color: var(--accent-red);
    color: white;
}

.word-chip.disabled {
    opacity: 0.35;
    cursor: not-allowed;
}

/* ── Ordering Exercise ── */
.order-container {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.order-item {
    background: var(--bg-overlay);
    border: 1px solid var(--border-light);
    border-radius: var(--r-md);
    touch-action: none;
    padding: 14px 18px;
    cursor: grab;
    transition: all 0.2s var(--ease-out);
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: 15px;
    position: relative;
    overflow: hidden;
}

.order-item * {
    touch-action: none;
}

.order-item:hover {
    border-color: var(--glass-border-hover);
    background: var(--bg-hover);
}

.order-item.dragging {
    opacity: 0.5;
    transform: scale(1.02);
}

.order-item.drag-over {
    border-color: var(--primary);
    background: rgba(47, 133, 146, 0.06);
}

.order-number {
    width: 28px;
    height: 28px;
    background: var(--bg-active);
    border-radius: var(--r-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 13px;
    flex-shrink: 0;
    color: var(--text-secondary);
}

.drag-handle {
    color: var(--text-muted);
    font-size: 18px;
    margin-inline-start: auto;
    opacity: 0.5;
}

/* ── Identify Exercise ── */
.identify-text {
    font-size: 17px;
    line-height: 2;
    background: var(--bg-overlay);
    padding: var(--space-5);
    border-radius: var(--r-md);
    user-select: text;
    border: 1px solid var(--border);
}

.identify-text .highlight {
    background: rgba(47, 133, 146, 0.25);
    padding: 2px 0;
    border-radius: 4px;
}

.identify-text .correct-highlight {
    background: rgba(52, 211, 153, 0.25);
}

.identify-text .incorrect-highlight {
    background: rgba(251, 113, 133, 0.25);
}

.identify-instructions {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 14px;
    text-align: center;
}

/* ── Compare Exercise ── */
.compare-cards {
    display: flex;
    flex-direction: column;
    gap: 0;
    align-items: center;
    margin-bottom: var(--space-5);
}

.compare-card {
    background: var(--bg-raised);
    border: 2px solid var(--border-light);
    border-radius: var(--r-lg);
    padding: var(--space-5);
    cursor: pointer;
    transition: all var(--transition-base) var(--ease-out);
    width: 100%;
    position: relative;
    overflow: hidden;
}

.compare-card:hover {
    border-color: var(--glass-border-hover);
    background: var(--bg-hover);
    transform: translateY(-2px);
}

.compare-card:focus-visible {
    outline: 2px solid var(--color-primary-500);
    outline-offset: 2px;
}

.compare-card.selected {
    border-color: var(--primary);
    background: rgba(47, 133, 146, 0.08);
    box-shadow: var(--shadow-glow-primary);
}

.compare-card.correct {
    border-color: var(--accent-green);
    background: rgba(52, 211, 153, 0.08);
    box-shadow: var(--shadow-glow-green);
    animation: pulse-success 0.5s var(--ease-out);
}

.compare-card.incorrect {
    border-color: var(--accent-red);
    background: rgba(251, 113, 133, 0.08);
    box-shadow: var(--shadow-glow-pink);
    animation: shake 0.4s var(--ease-out);
}

.compare-vs {
    font-family: var(--font-heading);
    font-size: 16px;
    font-weight: 800;
    color: var(--accent-amber);
    padding: var(--space-2) 0;
    text-align: center;
    letter-spacing: 2px;
}

.compare-label {
    font-family: var(--font-heading);
    font-size: 11px;
    font-weight: 700;
    color: var(--primary-light);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--space-2);
}

.compare-text {
    font-size: 15px;
    line-height: 1.7;
    color: var(--text-primary);
}

/* ── Improve Exercise ── */
.improve-original {
    background: rgba(251, 113, 133, 0.06);
    border: 1px solid rgba(251, 113, 133, 0.2);
    border-radius: var(--r-md);
    padding: var(--space-4);
    margin-bottom: var(--space-5);
}

.improve-original-label {
    font-family: var(--font-heading);
    font-size: 11px;
    font-weight: 700;
    color: var(--accent-red);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 6px;
}

.improve-original-text {
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-secondary);
    text-decoration: line-through;
    text-decoration-color: rgba(251, 113, 133, 0.4);
}

/* ── Scenario Exercise ── */
.scenario-context {
    background: rgba(47, 133, 146, 0.06);
    border: 1px solid rgba(47, 133, 146, 0.2);
    border-radius: var(--r-md);
    padding: var(--space-4);
    margin-bottom: var(--space-5);
}

.scenario-context-label {
    font-family: var(--font-heading);
    font-size: 11px;
    font-weight: 700;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 6px;
}

.scenario-context-text {
    font-size: 15px;
    line-height: 1.7;
    color: var(--text-secondary);
}

/* ── Match Exercise ── */
.match-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3);
    min-width: 0;
}

.match-column {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    min-width: 0;
}

.match-item {
    background: var(--bg-raised);
    border: 2px solid var(--border-light);
    border-radius: var(--r-md);
    padding: 14px var(--space-3);
    font-size: 14px;
    line-height: 1.5;
    cursor: pointer;
    transition: all 0.2s var(--ease-out);
    text-align: center;
    min-height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow-wrap: break-word;
    word-break: break-word;
    hyphens: auto;
    min-width: 0;
}

.match-item:hover {
    border-color: var(--glass-border-hover);
    background: var(--bg-hover);
}

.match-item:focus-visible {
    outline: 2px solid var(--color-primary-500);
    outline-offset: 2px;
}

.match-item.selected {
    border-color: var(--primary);
    background: rgba(47, 133, 146, 0.1);
    box-shadow: var(--shadow-glow-primary);
    transform: scale(1.03);
}

.match-item.matched {
    cursor: default;
    opacity: 0.85;
}

.match-instructions {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 14px;
    text-align: center;
}

/* ═══════════════════════════════════════
   Buttons
   ═══════════════════════════════════════ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-3) 28px;
    border-radius: var(--r-md);
    font-size: 15px;
    font-weight: 600;
    font-family: var(--font-heading);
    cursor: pointer;
    border: none;
    transition: all var(--transition-base) var(--ease-out);
    text-decoration: none;
    letter-spacing: 0.2px;
    position: relative;
    overflow: hidden;
    min-height: 48px;
}

.btn:focus-visible {
    outline: 2px solid var(--color-primary-500);
    outline-offset: 2px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    box-shadow: 0 4px 16px rgba(47, 133, 146, 0.3);
}

.btn-primary:hover {
    box-shadow: 0 6px 24px rgba(47, 133, 146, 0.4);
    transform: translateY(-2px);
    filter: brightness(1.1);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(47, 133, 146, 0.3);
}

.btn-primary:disabled {
    background: var(--bg-active);
    box-shadow: none;
    cursor: not-allowed;
    color: var(--text-muted);
    filter: none;
}

.btn-secondary {
    background: var(--bg-raised);
    color: var(--text-primary);
    border: 1px solid var(--border-light);
}

.btn-secondary:hover {
    background: var(--bg-hover);
    border-color: var(--glass-border-hover);
}

.btn-danger {
    background: linear-gradient(135deg, var(--accent-red), var(--accent-red-dark));
    color: white;
    box-shadow: 0 4px 16px rgba(244, 63, 94, 0.25);
}

.btn-danger:hover {
    box-shadow: 0 6px 24px rgba(244, 63, 94, 0.35);
    transform: translateY(-2px);
}

.btn-full {
    width: 100%;
}

/* ═══════════════════════════════════════
   Footer Actions
   ═══════════════════════════════════════ */
.footer-actions {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--surface-header-glass);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    padding: var(--space-4) var(--space-5);
    padding-bottom: calc(var(--space-4) + env(safe-area-inset-bottom, 0px));
    border-top: 1px solid var(--border);
    z-index: var(--z-footer);
    transform: translateZ(0);
}

.footer-actions .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-3);
}

/* ═══════════════════════════════════════
   Feedback Panel
   ═══════════════════════════════════════ */
.feedback-panel {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--space-6) var(--space-5);
    max-height: 55vh;
    overflow-y: auto;
    transform: translateY(100%);
    transition: transform 0.35s var(--ease-out);
    z-index: var(--z-feedback);
    border-top-left-radius: var(--r-xl);
    border-top-right-radius: var(--r-xl);
}

.feedback-panel.show {
    transform: translateY(0);
}

.feedback-panel.correct {
    background: linear-gradient(135deg, #059669, #10b981);
}

.feedback-panel.incorrect {
    background: linear-gradient(135deg, #e11d48, #f43f5e);
}

.feedback-content {
    max-width: var(--max-width);
    margin: 0 auto;
}

.feedback-header {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-2);
}

.feedback-icon {
    font-size: 26px;
}

.feedback-title {
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 700;
    color: white;
}

.feedback-explanation {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: var(--space-4);
    line-height: 1.6;
}

.feedback-btn {
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(8px);
    color: white;
    padding: var(--space-3) 28px;
    border-radius: var(--r-md);
    border: 1px solid rgba(255, 255, 255, 0.15);
    font-size: 15px;
    font-weight: 700;
    font-family: var(--font-heading);
    cursor: pointer;
    width: 100%;
    transition: all 0.2s ease;
}

.feedback-btn:hover {
    background: rgba(255, 255, 255, 0.3);
}

.feedback-btn:focus-visible {
    outline: 2px solid white;
    outline-offset: 2px;
}

/* ═══════════════════════════════════════
   Hearts Display
   ═══════════════════════════════════════ */
.hearts-display {
    display: flex;
    gap: 3px;
}

.heart {
    font-size: 18px;
    transition: all 0.3s var(--ease-spring);
}

.heart.empty {
    opacity: 0.2;
    filter: grayscale(1);
}

.heart.losing {
    animation: heartBreak 0.5s var(--ease-out);
}

/* ═══════════════════════════════════════
   Completion Screen
   ═══════════════════════════════════════ */
.completion-screen {
    text-align: center;
    padding: var(--space-10) var(--space-5);
}

.completion-icon {
    font-size: 72px;
    margin-bottom: var(--space-4);
    animation: bounceIn 0.6s var(--ease-spring);
}

.completion-title {
    font-family: var(--font-heading);
    font-size: 30px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent-amber), var(--accent-orange));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-2);
}

.completion-subtitle {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 28px;
}

.completion-stats {
    display: flex;
    justify-content: center;
    gap: var(--space-8);
    margin-bottom: 36px;
}

.completion-stat {
    text-align: center;
}

.completion-stat-value {
    font-family: var(--font-heading);
    font-size: 32px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary), var(--accent-teal));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.completion-stat-label {
    font-size: 13px;
    color: var(--text-secondary);
    margin-top: 2px;
}

/* ═══════════════════════════════════════
   XP Animation
   ═══════════════════════════════════════ */
.xp-popup {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: linear-gradient(135deg, var(--accent-amber), var(--accent-orange));
    color: var(--surface-modal);
    padding: 14px 28px;
    border-radius: var(--r-md);
    font-family: var(--font-heading);
    font-size: 22px;
    font-weight: 800;
    animation: xpPopup 1s var(--ease-out) forwards;
    z-index: var(--z-xp-popup);
    box-shadow: 0 8px 32px rgba(251, 191, 36, 0.35);
}

/* ═══════════════════════════════════════
   Confetti
   ═══════════════════════════════════════ */
.confetti-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: var(--z-confetti);
    overflow: hidden;
}

.confetti {
    position: absolute;
    width: 10px;
    height: 10px;
    border-radius: 2px;
    animation: confettiFall 3s ease-out forwards;
}

.confetti-star {
    position: absolute;
    width: 0;
    height: 0;
    animation: confettiFall 3s ease-out forwards;
}

.confetti-circle {
    position: absolute;
    border-radius: 50%;
    animation: confettiFall 3s ease-out forwards;
}

.confetti-particle {
    position: absolute;
    width: 8px;
    height: 8px;
    border-radius: 2px;
    animation: confettiFall 3s ease-out forwards;
}
/* ═══════════════════════════════════════
   Level Badge & Progress
   ═══════════════════════════════════════ */
.level-badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    padding: var(--space-1) var(--space-3);
    border-radius: var(--r-full);
    font-family: var(--font-heading);
    font-size: 11px;
    font-weight: 700;
    color: white;
    letter-spacing: 0.3px;
}

.level-progress-container {
    background: var(--glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: var(--r-lg);
    padding: var(--space-4) 18px;
    margin-bottom: var(--space-3);
    border: 1px solid var(--glass-border);
}

.level-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-2);
}

.level-current {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.level-name {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 14px;
}

.level-next {
    font-size: 12px;
    color: var(--text-muted);
}

.level-progress-bar {
    height: 8px;
    background: var(--bg-active);
    border-radius: var(--r-full);
    overflow: hidden;
}

.level-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--accent-teal), var(--accent-amber), var(--accent-orange));
    background-size: 200% 100%;
    border-radius: var(--r-full);
    transition: width 0.6s var(--ease-out);
    position: relative;
    animation: xp-bar-flow 3s linear infinite;
}

.level-progress-fill::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,0.4) 50%, transparent 100%);
    background-size: 200% 100%;
    animation: xp-shine 2s ease-in-out infinite;
    border-radius: var(--r-full);
}

.level-xp-text {
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    color: var(--text-muted);
    margin-top: var(--space-1);
    font-weight: 600;
}

/* ═══════════════════════════════════════
   Streak Fire
   ═══════════════════════════════════════ */
.streak-fire {
    position: relative;
}

.streak-fire::after {
    content: '';
    position: absolute;
    top: -4px;
    right: -4px;
    width: 8px;
    height: 8px;
    background: var(--accent-orange);
    border-radius: 50%;
    animation: pulse 1.5s infinite;
}

.streak-fire-pulse {
    animation: streak-fire 400ms var(--ease-spring);
}

/* ═══════════════════════════════════════
   Back Button
   ═══════════════════════════════════════ */
.back-btn {
    background: var(--bg-raised);
    border: 1px solid var(--border);
    border-radius: var(--r-sm);
    color: var(--text-secondary);
    font-size: 15px;
    font-family: var(--font-heading);
    cursor: pointer;
    padding: var(--space-2) var(--space-4);
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-bottom: var(--space-4);
    transition: all 0.2s ease;
}

.back-btn:hover {
    color: var(--text-primary);
    background: var(--bg-hover);
    border-color: var(--glass-border-hover);
}

.back-btn:focus-visible {
    outline: 2px solid var(--color-primary-500);
    outline-offset: 2px;
}

/* ═══════════════════════════════════════
   Screen Transitions
   ═══════════════════════════════════════ */
.screen {
    display: none;
    animation: fadeSlideIn 0.4s var(--ease-out);
}

.screen.active {
    display: block;
}

/* ═══════════════════════════════════════
   Modal
   ═══════════════════════════════════════ */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.modal-overlay.show {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: var(--surface-modal);
    border: 1px solid var(--border-light);
    border-radius: var(--r-xl);
    padding: var(--space-8);
    max-width: 380px;
    width: 90%;
    text-align: center;
    transform: scale(0.9) translateY(20px);
    transition: transform 0.35s var(--ease-spring);
    box-shadow: var(--shadow-lg);
}

.modal-overlay.show .modal-content {
    transform: scale(1) translateY(0);
}

.modal-icon {
    font-size: 52px;
    margin-bottom: var(--space-3);
}

.modal-title {
    font-family: var(--font-heading);
    font-size: 22px;
    font-weight: 800;
    margin-bottom: var(--space-2);
}

.modal-text {
    color: var(--text-secondary);
    margin-bottom: var(--space-6);
    font-size: 15px;
    line-height: 1.6;
}

.modal-buttons {
    display: flex;
    gap: var(--space-2);
}

.modal-buttons .btn {
    flex: 1;
}

/* ═══════════════════════════════════════
   Mentor
   ═══════════════════════════════════════ */
.mentor-container {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    margin-bottom: var(--space-5);
    animation: mentorSlideIn 0.5s var(--ease-out);
}

.mentor-avatar {
    width: 52px;
    height: 52px;
    border-radius: var(--r-md);
    background: var(--bg-overlay);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    border: 2px solid rgba(47, 133, 146, 0.3);
    overflow: hidden;
    box-shadow: 0 0 20px rgba(47, 133, 146, 0.15);
}

.mentor-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.mentor-bubble {
    background: var(--glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: var(--r-md);
    border-top-right-radius: 4px;
    padding: 14px 18px;
    position: relative;
    max-width: 100%;
    flex: 1;
}

.mentor-bubble::before {
    content: '';
    position: absolute;
    top: 16px;
    right: -8px;
    border: 4px solid transparent;
    border-left-color: var(--glass-border);
}

.mentor-bubble::after {
    content: '';
    position: absolute;
    top: 17px;
    right: -6px;
    border: 3px solid transparent;
    border-left-color: rgba(255, 255, 255, 0.035);
}

.mentor-name {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--primary-light);
    font-size: 12px;
    margin-bottom: var(--space-1);
    letter-spacing: 0.5px;
}

.mentor-message {
    font-size: 15px;
    line-height: 1.6;
    color: var(--text-primary);
}

.mentor-message strong { color: var(--primary-light); }
.mentor-message em { color: var(--accent-amber); font-style: normal; }

.mentor-text {
    font-size: 16px;
    line-height: 1.7;
}

/* Mentor Welcome */
.mentor-welcome {
    text-align: center;
    padding: 28px var(--space-5);
}

.mentor-welcome .mentor-avatar {
    width: 100px;
    height: 100px;
    font-size: 50px;
    margin: 0 auto var(--space-4);
    border-radius: var(--r-lg);
}

.mentor-welcome-title {
    font-family: var(--font-heading);
    font-size: 26px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-light), var(--accent-teal));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-2);
}

.mentor-welcome-subtitle {
    font-size: 15px;
    color: var(--text-secondary);
    margin-bottom: var(--space-6);
}

/* Mentor Tip */
.mentor-tip {
    background: rgba(47, 133, 146, 0.06);
    border: 1px solid rgba(47, 133, 146, 0.15);
    border-radius: var(--r-sm);
    padding: 14px;
    margin-top: 18px;
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.mentor-tip-icon {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    flex-shrink: 0;
    font-size: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid rgba(47, 133, 146, 0.25);
}

.mentor-tip-text {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.5;
}

.mentor-tip-text strong { color: var(--primary-light); }

/* Mentor Encouragement */
.mentor-encouragement {
    position: fixed;
    bottom: 100px;
    left: 20px;
    right: 20px;
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: var(--space-3);
    background: rgba(0, 42, 50, 0.95);
    backdrop-filter: blur(16px);
    border: 1px solid rgba(47, 133, 146, 0.25);
    border-radius: var(--r-md);
    padding: 14px;
    animation: mentorPop 0.4s var(--ease-spring);
    z-index: var(--z-encouragement);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-lg);
}

.mentor-encouragement.show { opacity: 1; visibility: visible; }
.mentor-encouragement .mentor-avatar { width: 44px; height: 44px; font-size: 22px; }
.mentor-encouragement-text { flex: 1; font-size: 14px; }

/* Module intro with mentor */
.module-intro { margin-bottom: var(--space-6); }
.module-intro .mentor-container { margin-bottom: 0; }

/* Animated Mentor Character */
.mentor-enter { animation: mentor-bounce-in 0.6s var(--ease-spring); }
.mentor-avatar.mentor-idle img { animation: mentor-breathe 3s ease-in-out infinite; }
.mentor-avatar.mentor-happy img { animation: mentor-happy-bounce 0.6s var(--ease-spring); }
.mentor-avatar.mentor-sad img { animation: mentor-sad-shake 0.5s ease-out; }
.mentor-avatar.mentor-wave img { animation: mentor-wave 1s ease-in-out; }

/* ═══════════════════════════════════════
   Story Builder
   ═══════════════════════════════════════ */
.practice-mode-btn {
    background: var(--glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(47, 133, 146, 0.2);
    border-radius: var(--r-lg);
    padding: var(--space-4);
    margin-bottom: var(--space-3);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 15px;
    width: 100%;
    transition: all 0.3s var(--ease-out);
    font-family: var(--font-heading);
    color: var(--text-primary);
    position: relative;
    overflow: hidden;
}

.practice-mode-btn:hover {
    background: var(--bg-hover);
    border-color: rgba(47, 133, 146, 0.35);
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(47, 133, 146, 0.12);
}

.practice-mode-icon {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--primary), var(--accent-pink));
    border-radius: var(--r-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

.practice-mode-info { text-align: right; flex: 1; }
.practice-mode-title { font-size: 15px; font-weight: 700; color: var(--text-primary); margin-bottom: 2px; }
.practice-mode-desc { font-size: 12px; color: var(--text-secondary); }

/* Story Builder Steps */
.story-builder {
    padding-bottom: 120px;
    -webkit-overflow-scrolling: touch;
}

.story-steps {
    display: flex;
    justify-content: center;
    gap: var(--space-2);
    margin-bottom: var(--space-6);
}

.story-step-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--bg-active);
    transition: all 0.35s var(--ease-spring);
}

.story-step-dot.active {
    background: var(--primary);
    transform: scale(1.4);
    box-shadow: 0 0 12px rgba(47, 133, 146, 0.4);
}

.story-step-dot.completed { background: var(--accent-green); }

.story-step-content {
    background: var(--glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: var(--r-xl);
    padding: var(--space-6);
    margin-bottom: var(--space-5);
}

.story-step-title {
    font-family: var(--font-heading);
    font-size: 12px;
    font-weight: 700;
    color: var(--primary-light);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: var(--space-2);
}

.story-step-question {
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 700;
    margin-bottom: var(--space-5);
    line-height: 1.5;
}

.story-textarea {
    width: 100%;
    min-height: 120px;
    background: var(--bg-overlay);
    border: 1px solid var(--border-light);
    border-radius: var(--r-md);
    padding: var(--space-4);
    font-size: 15px;
    font-family: var(--font-body);
    color: var(--text-primary);
    resize: vertical;
    line-height: 1.7;
    direction: rtl;
    transition: border-color 0.2s ease;
}

.story-textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(47, 133, 146, 0.1);
}

.story-textarea::placeholder { color: var(--text-muted); }

.story-example {
    background: rgba(47, 133, 146, 0.06);
    border: 1px solid rgba(47, 133, 146, 0.12);
    border-radius: var(--r-sm);
    padding: 14px;
    margin-top: var(--space-4);
}

.story-example-label {
    font-family: var(--font-heading);
    font-size: 11px;
    font-weight: 700;
    color: var(--primary-light);
    margin-bottom: 6px;
    letter-spacing: 0.5px;
}

.story-example-text {
    font-size: 13px;
    color: var(--text-secondary);
    font-style: italic;
    line-height: 1.7;
}

/* Story Navigation */
.story-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--surface-header-glass);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    padding: var(--space-4) var(--space-5);
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: center;
    gap: var(--space-3);
    z-index: var(--z-footer);
    transform: translateZ(0);
}

.story-nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-3);
    width: 100%;
    max-width: var(--max-width);
}

/* Story Preview */
.story-preview {
    background: var(--glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: var(--r-xl);
    padding: var(--space-6);
    margin-bottom: var(--space-5);
}

.story-preview-title {
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-light), var(--accent-teal));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-5);
    text-align: center;
}

.story-preview-section {
    margin-bottom: 18px;
    padding-bottom: 18px;
    border-bottom: 1px solid var(--border);
}

.story-preview-section:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.story-preview-label {
    font-family: var(--font-heading);
    font-size: 11px;
    font-weight: 700;
    color: var(--primary-light);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 6px;
}

.story-preview-text {
    font-size: 15px;
    line-height: 1.7;
    white-space: pre-wrap;
}

.story-preview-text:empty::before {
    content: "(לא מולא עדיין)";
    color: var(--text-muted);
    font-style: italic;
}

/* Story Complete */
.story-complete-actions {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    margin-top: var(--space-6);
}

.copy-btn {
    background: linear-gradient(135deg, var(--accent-teal), var(--accent-teal-dark));
    color: white;
    box-shadow: 0 4px 16px rgba(212, 175, 55, 0.25);
}

.copy-btn:hover {
    box-shadow: 0 6px 24px rgba(212, 175, 55, 0.35);
    transform: translateY(-2px);
}

.copy-btn:active { transform: translateY(0); }

/* ═══════════════════════════════════════
   Achievement Popup
   ═══════════════════════════════════════ */
.achievement-popup {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%) translateY(-120px);
    background: linear-gradient(135deg, var(--accent-amber), var(--accent-orange));
    border-radius: var(--r-lg);
    padding: var(--space-4) var(--space-6);
    display: flex;
    align-items: center;
    gap: 14px;
    z-index: var(--z-achievement);
    box-shadow: 0 12px 40px rgba(251, 191, 36, 0.35);
    transition: transform 0.5s var(--ease-spring);
    animation: achievement-pop-in 0.5s var(--ease-spring), rainbow-border 4s linear infinite;
}

.achievement-popup.show {
    transform: translateX(-50%) translateY(0);
}

.achievement-popup-icon {
    font-size: 36px;
    animation: achievementBounce 0.5s var(--ease-spring);
}

.achievement-popup-content { text-align: right; }

.achievement-popup-title {
    font-family: var(--font-heading);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: rgba(0, 0, 0, 0.5);
    font-weight: 700;
}

.achievement-popup-name {
    font-family: var(--font-heading);
    font-size: 16px;
    font-weight: 800;
    color: var(--surface-modal);
}

.achievement-popup-desc {
    font-size: 12px;
    color: rgba(0, 0, 0, 0.6);
}

/* ═══════════════════════════════════════
   Combo, Speed Bonus & Second Chance
   ═══════════════════════════════════════ */
.combo-popup {
    position: fixed;
    top: 80px;
    left: 50%;
    transform: translateX(-50%) scale(0.5);
    opacity: 0;
    background: linear-gradient(135deg, var(--accent-amber), #D4AF37);
    border-radius: var(--r-lg);
    padding: 12px 24px;
    text-align: center;
    z-index: 1100;
    box-shadow: 0 8px 32px rgba(212, 175, 55, 0.4);
    transition: all 0.4s var(--ease-spring);
    pointer-events: none;
}

.combo-popup.show {
    opacity: 1;
    transform: translateX(-50%) scale(1);
}

.combo-label {
    font-family: var(--font-heading);
    font-size: 22px;
    font-weight: 900;
    color: var(--surface-modal);
    text-shadow: 0 1px 2px rgba(0,0,0,0.2);
}

.combo-count {
    font-size: 13px;
    font-weight: 700;
    color: rgba(0,0,0,0.6);
    margin-top: 2px;
}

.speed-bonus-popup {
    position: fixed;
    top: 140px;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    opacity: 0;
    background: linear-gradient(135deg, #2F8592, #00606B);
    color: var(--frost-white);
    border-radius: var(--r-md);
    padding: 8px 18px;
    font-size: 14px;
    font-weight: 700;
    font-family: var(--font-heading);
    z-index: 1099;
    box-shadow: 0 6px 24px rgba(47, 133, 146, 0.4);
    transition: all 0.3s var(--ease-out);
    pointer-events: none;
}

.speed-bonus-popup.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.second-chance-toast {
    position: fixed;
    bottom: 100px;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    opacity: 0;
    background: var(--surface-modal);
    color: var(--text-primary);
    border: 2px solid #D4AF37;
    border-radius: var(--r-lg);
    padding: 12px 24px;
    font-size: 16px;
    font-weight: 700;
    font-family: var(--font-heading);
    z-index: 1100;
    box-shadow: 0 8px 32px rgba(0,0,0,0.3);
    transition: all 0.35s var(--ease-spring);
    pointer-events: none;
}

.second-chance-toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.option-btn.eliminated {
    text-decoration: line-through;
    opacity: 0.35 !important;
    pointer-events: none !important;
    cursor: default;
}

.compare-card.eliminated {
    opacity: 0.35 !important;
    pointer-events: none !important;
    cursor: default;
}

/* ═══════════════════════════════════════
   Daily Challenge Button
   ═══════════════════════════════════════ */
.daily-challenge-btn {
    background: var(--glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(251, 146, 60, 0.2);
    border-radius: var(--r-lg);
    padding: var(--space-4);
    margin-bottom: var(--space-3);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 15px;
    width: 100%;
    transition: all 0.3s var(--ease-out);
    font-family: var(--font-heading);
    color: var(--text-primary);
    position: relative;
    overflow: hidden;
}

.daily-challenge-btn:hover {
    background: var(--bg-hover);
    border-color: rgba(251, 146, 60, 0.35);
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(251, 146, 60, 0.12);
}

.daily-challenge-btn.completed { border-color: rgba(52, 211, 153, 0.2); }

.daily-challenge-btn.completed:hover {
    box-shadow: 0 4px 20px rgba(52, 211, 153, 0.12);
    border-color: rgba(52, 211, 153, 0.3);
}

.daily-challenge-icon {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--accent-orange), var(--accent-amber));
    border-radius: var(--r-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

.daily-challenge-btn.completed .daily-challenge-icon {
    background: linear-gradient(135deg, var(--accent-green), var(--accent-green-dark));
}

.daily-challenge-info { text-align: right; flex: 1; }
.daily-challenge-title { font-size: 15px; font-weight: 700; color: var(--text-primary); }
.daily-challenge-desc { font-size: 12px; color: var(--text-secondary); }

/* ═══════════════════════════════════════
   Stats Panel
   ═══════════════════════════════════════ */
.stats-panel {
    background: var(--glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: var(--r-lg);
    padding: var(--space-5);
    margin-bottom: var(--space-4);
    border: 1px solid var(--glass-border);
}

.stats-panel-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-3);
}

.stat-box {
    background: var(--bg-overlay);
    border-radius: var(--r-md);
    padding: 14px;
    text-align: center;
}

.stat-box-value {
    font-family: var(--font-heading);
    font-size: 22px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary), var(--accent-teal));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-box-label {
    font-size: 11px;
    color: var(--text-muted);
    margin-top: var(--space-1);
}

/* ═══════════════════════════════════════
   Achievements Grid
   ═══════════════════════════════════════ */
.achievements-section { margin-top: 28px; }

.achievements-title {
    font-family: var(--font-heading);
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.achievements-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-2);
}

.achievement-item {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: var(--r-md);
    padding: 14px var(--space-2);
    text-align: center;
    transition: all 0.3s var(--ease-out);
}

.achievement-item.unlocked {
    border-color: rgba(52, 211, 153, 0.25);
    background: rgba(52, 211, 153, 0.05);
    animation: rainbow-glow-pulse 3s ease-in-out infinite;
}

.achievement-item.locked { opacity: 0.4; }
.achievement-item { cursor: pointer; position: relative; }
.achievement-icon { font-size: 24px; margin-bottom: 6px; }
.achievement-name { font-size: 10px; font-weight: 600; color: var(--text-secondary); }
.achievement-progress { font-size: 9px; color: var(--text-muted); margin-top: 2px; }
.achievement-item.unlocked .achievement-progress { color: var(--accent-green); }

.achievement-tooltip {
    position: absolute;
    bottom: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%) scale(0.9);
    background: var(--bg-raised);
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    padding: 10px 14px;
    font-size: 12px;
    color: var(--text-primary);
    text-align: center;
    white-space: nowrap;
    z-index: 50;
    opacity: 0;
    transition: opacity 0.2s, transform 0.2s;
    box-shadow: var(--shadow-md);
    pointer-events: none;
}
.achievement-tooltip.show { opacity: 1; transform: translateX(-50%) scale(1); }

/* ═══════════════════════════════════════
   Review Mode
   ═══════════════════════════════════════ */
.review-btn {
    background: linear-gradient(135deg, var(--accent-teal), #4FC3F7);
    border: none;
    border-radius: var(--r-lg);
    padding: 15px var(--space-5);
    margin-bottom: var(--space-3);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 15px;
    width: 100%;
    transition: all var(--transition-base) var(--ease-out);
    box-shadow: 0 4px 16px rgba(212, 175, 55, 0.25);
    font-family: var(--font-heading);
}

.review-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(212, 175, 55, 0.3);
}

.review-btn-icon { font-size: 26px; }
.review-btn-info { text-align: right; flex: 1; }
.review-btn-title { font-size: 15px; font-weight: 700; color: white; }
.review-btn-desc { font-size: 12px; color: rgba(255, 255, 255, 0.75); }

.review-badge {
    background: rgba(255, 255, 255, 0.2);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--r-full);
    font-size: 13px;
    font-weight: 700;
    color: white;
}

/* ═══════════════════════════════════════
   Tooltip
   ═══════════════════════════════════════ */
.tooltip { position: relative; }

.tooltip::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--surface-modal);
    color: var(--text-primary);
    padding: 6px var(--space-3);
    border-radius: var(--r-md);
    font-size: 12px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s ease;
    border: 1px solid var(--border);
}

.tooltip:hover::after { opacity: 1; visibility: visible; }

/* ═══════════════════════════════════════
   Auth Screen
   ═══════════════════════════════════════ */
.auth-screen {
    position: fixed;
    inset: 0;
    z-index: var(--z-auth);
    background: var(--bg-base);
    background-image:
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(47, 133, 146, 0.12) 0%, transparent 60%),
        radial-gradient(ellipse 60% 40% at 80% 100%, rgba(45, 212, 191, 0.08) 0%, transparent 50%);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

.auth-container {
    max-width: 400px;
    width: 90%;
    padding: var(--space-10) var(--space-6);
    text-align: center;
}

.auth-logo {
    font-size: 64px;
    margin-bottom: var(--space-3);
    animation: bounceIn 0.6s var(--ease-spring);
}

.auth-title {
    font-family: var(--font-heading);
    font-size: 32px;
    font-weight: 900;
    background: linear-gradient(135deg, var(--primary-light), var(--accent-teal));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 6px;
}

.auth-subtitle {
    font-size: 15px;
    color: var(--text-secondary);
    margin-bottom: var(--space-8);
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.btn-google {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    width: 100%;
    padding: 14px var(--space-5);
    background: white;
    color: #333;
    border: none;
    border-radius: var(--r-md);
    font-size: 15px;
    font-weight: 600;
    font-family: var(--font-heading);
    cursor: pointer;
    transition: all var(--transition-base) var(--ease-out);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.btn-google:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
    transform: translateY(-2px);
}

.btn-google:active { transform: translateY(0); }

.btn-google:focus-visible {
    outline: 2px solid var(--color-primary-500);
    outline-offset: 2px;
}

.auth-divider {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    margin: var(--space-1) 0;
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border-light);
}

.auth-divider span {
    font-size: 13px;
    color: var(--text-muted);
}

.auth-input {
    width: 100%;
    padding: 14px var(--space-4);
    background: var(--bg-raised);
    border: 1px solid var(--border-light);
    border-radius: var(--r-sm);
    font-size: 15px;
    font-family: var(--font-body);
    color: var(--text-primary);
    transition: border-color 0.2s ease;
    direction: ltr;
    text-align: right;
}

.auth-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(47, 133, 146, 0.1);
}

.auth-input::placeholder { color: var(--text-muted); }

.auth-submit-btn {
    margin-top: var(--space-1);
    position: relative;
}

.auth-submit-btn .btn-spinner {
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    position: absolute;
}

.auth-submit-btn.loading .btn-text { opacity: 0; }
.auth-submit-btn.loading .btn-spinner { display: block !important; }

.auth-switch {
    font-size: 14px;
    color: var(--text-secondary);
    margin-top: var(--space-1);
}

.auth-switch a {
    color: var(--primary-light);
    text-decoration: none;
    font-weight: 600;
}

.auth-switch a:hover { text-decoration: underline; }

.auth-error {
    background: rgba(244, 63, 94, 0.1);
    border: 1px solid rgba(244, 63, 94, 0.3);
    border-radius: var(--r-sm);
    padding: var(--space-3) var(--space-4);
    font-size: 14px;
    color: var(--accent-red);
    margin-top: var(--space-2);
    animation: fadeSlideIn 0.3s var(--ease-out);
}

.auth-guest-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 13px;
    font-family: var(--font-heading);
    cursor: pointer;
    margin-top: var(--space-5);
    padding: var(--space-2);
    transition: color 0.2s ease;
}

.auth-guest-btn:hover { color: var(--text-secondary); }

.auth-guest-btn:focus-visible {
    outline: 2px solid var(--color-primary-500);
    outline-offset: 2px;
}

/* ═══════════════════════════════════════
   Loading Screen
   ═══════════════════════════════════════ */
.loading-screen {
    position: fixed;
    inset: 0;
    z-index: var(--z-loading);
    background: var(--bg-base);
    display: flex;
    align-items: center;
    justify-content: center;
}

.loading-content { text-align: center; }

.loading-spinner-large {
    width: 48px;
    height: 48px;
    border: 3px solid var(--border-light);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto var(--space-4);
}

.loading-text {
    font-size: 15px;
    color: var(--text-secondary);
}

/* Skeleton loader */
.skeleton {
    background: linear-gradient(90deg, var(--bg-raised) 25%, var(--bg-overlay) 50%, var(--bg-raised) 75%);
    background-size: 200% 100%;
    animation: skeletonShimmer 1.5s infinite;
    border-radius: var(--r-md);
}

.skeleton-card { height: 90px; margin-bottom: var(--space-3); }
.skeleton-line { height: 16px; margin-bottom: var(--space-2); }
.skeleton-line.short { width: 60%; }

/* ═══════════════════════════════════════
   Onboarding
   ═══════════════════════════════════════ */
.onboarding-overlay {
    position: fixed;
    inset: 0;
    z-index: var(--z-onboarding);
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s ease;
}

.onboarding-card {
    max-width: 400px;
    width: 90%;
    background: var(--surface-modal);
    border: 1px solid var(--glass-border);
    border-radius: var(--r-xl);
    padding: 36px 28px 28px;
    text-align: center;
    animation: bounceIn 0.5s var(--ease-spring);
    position: relative;
}

.onboarding-skip {
    position: absolute;
    top: 12px;
    left: 12px;
    background: none;
    border: none;
    color: rgba(255,255,255,0.5);
    font-size: 0.85rem;
    cursor: pointer;
    font-family: inherit;
    padding: 4px 8px;
    transition: color 0.2s;
}

.onboarding-skip:hover {
    color: rgba(255,255,255,0.9);
}

.onboarding-step { margin-bottom: var(--space-6); }

.onboarding-icon {
    font-size: 64px;
    margin-bottom: var(--space-4);
    display: block;
}

.onboarding-step h2 {
    font-family: var(--font-heading);
    font-size: 22px;
    font-weight: 800;
    margin-bottom: var(--space-2);
    background: linear-gradient(135deg, var(--primary-light), var(--accent-teal));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.onboarding-step p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
}

.onboarding-dots {
    display: flex;
    justify-content: center;
    gap: var(--space-2);
    margin-bottom: var(--space-5);
}

.onboarding-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--bg-active);
    transition: all 0.3s var(--ease-spring);
}

.onboarding-dot.active {
    background: var(--primary);
    transform: scale(1.3);
}

.onboarding-dot.done { background: var(--accent-green); }

/* ═══════════════════════════════════════
   Heart Recovery Timer
   ═══════════════════════════════════════ */
.heart-timer-bar {
    background: rgba(251, 113, 133, 0.08);
    border-bottom: 1px solid rgba(251, 113, 133, 0.15);
    padding: 6px 0;
}

.heart-timer-bar .container {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: 0 var(--space-5);
}

.heart-timer-text {
    font-size: 12px;
    font-weight: 600;
    color: var(--accent-red);
    white-space: nowrap;
}

.heart-timer-progress {
    flex: 1;
    height: 4px;
    background: var(--bg-active);
    border-radius: var(--r-full);
    overflow: hidden;
}

.heart-timer-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-red), var(--accent-pink));
    border-radius: var(--r-full);
    transition: width 1s linear;
}

/* ═══════════════════════════════════════
   Sound Toggle & User Menu
   ═══════════════════════════════════════ */
.sound-toggle {
    background: none;
    border: none;
    font-size: 18px;
    cursor: pointer;
    padding: var(--space-2);
    min-width: 44px;
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    opacity: 0.7;
    transition: opacity 0.2s ease;
}

.sound-toggle:hover { opacity: 1; }
.sound-toggle.muted { opacity: 0.3; }

.sound-toggle:focus-visible {
    outline: 2px solid var(--color-primary-500);
    outline-offset: 2px;
}

/* ═══════════════════════════════════════
   Bottom Navigation Bar
   ═══════════════════════════════════════ */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-around;
    align-items: center;
    background: linear-gradient(180deg, rgba(0, 30, 36, 0.98) 0%, rgba(0, 20, 24, 1) 100%);
    border-top: 1px solid rgba(212, 175, 55, 0.2);
    padding: 6px 0;
    padding-bottom: calc(6px + env(safe-area-inset-bottom, 0px));
    z-index: 100;
}

.bottom-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    background: none;
    border: none;
    color: var(--text-muted, rgba(232, 241, 242, 0.45));
    font-family: var(--font-heading);
    font-size: 10px;
    font-weight: 600;
    cursor: pointer;
    padding: 6px 16px;
    border-radius: var(--r-md);
    transition: color 0.2s ease;
    min-width: 64px;
    min-height: 48px;
}

.bottom-nav-item svg {
    width: 22px;
    height: 22px;
    transition: color 0.2s ease;
}

.bottom-nav-item.active {
    color: var(--color-gold-500, #D4AF37);
}

.bottom-nav-item:not(.active):hover {
    color: var(--text-secondary);
}

/* Show bottom nav after auth (toggled via JS class, not inline style) */
.bottom-nav.nav-visible {
    display: flex;
}

/* Show Ram FAB after auth */
.ram-chat-fab.fab-visible {
    display: flex;
}

/* Hide bottom nav + FAB during exercises/reading */
body.game-fullscreen .bottom-nav {
    display: none !important;
}
body.game-fullscreen .ram-chat-fab {
    display: none !important;
}

/* Ensure exercise content isn't hidden behind the fixed footer */
body.game-fullscreen #game-container {
    padding-bottom: calc(80px + env(safe-area-inset-bottom, 0px));
}

/* Profile Screen */
.profile-screen {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--space-5);
}

.profile-card {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: var(--r-xl);
    padding: var(--space-6);
    text-align: center;
    margin-bottom: var(--space-4);
}

.profile-avatar {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary-700), var(--color-primary-500));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    margin: 0 auto var(--space-4);
    border: 3px solid var(--color-gold-500);
}

.profile-email {
    font-size: 14px;
    color: var(--text-secondary);
    direction: ltr;
    word-break: break-all;
    margin-bottom: var(--space-2);
}

.profile-role {
    font-size: 12px;
    color: var(--color-gold-500);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.profile-actions {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.profile-action-btn {
    width: 100%;
    background: var(--bg-raised);
    border: 1px solid var(--border-light);
    border-radius: var(--r-md);
    padding: var(--space-4);
    font-size: 15px;
    font-family: var(--font-heading);
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--space-3);
    text-align: right;
    transition: all 0.2s ease;
    min-height: 52px;
}

.profile-action-btn:hover {
    background: var(--bg-hover);
    border-color: var(--glass-border-hover);
}

.profile-action-btn.danger {
    color: var(--color-error);
    border-color: rgba(239, 68, 68, 0.2);
}

.profile-action-btn.danger:hover {
    background: rgba(239, 68, 68, 0.08);
}

/* ═══════════════════════════════════════
   Stats Screen
   ═══════════════════════════════════════ */
.stats-screen { padding-bottom: var(--space-10); }

.stats-title {
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 800;
    margin-bottom: var(--space-5);
    background: linear-gradient(135deg, var(--primary-light), var(--accent-teal));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stats-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-2);
    margin-bottom: var(--space-5);
}

.stats-card {
    background: var(--glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: var(--r-lg);
    padding: 18px 14px;
    text-align: center;
}

.stats-card-value {
    font-family: var(--font-heading);
    font-size: 28px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary), var(--accent-teal));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-1);
}

.stats-card-label {
    font-size: 12px;
    color: var(--text-secondary);
    font-weight: 600;
}

.stats-card-hint {
    font-size: 10px;
    color: var(--primary-light);
    margin-top: 4px;
    opacity: 0.8;
}

.stats-section {
    background: var(--glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: var(--r-lg);
    padding: 18px;
    margin-bottom: var(--space-3);
}

.stats-section-title {
    font-family: var(--font-heading);
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 14px;
    color: var(--text-primary);
}

/* Weekly Activity Chart */
.weekly-chart {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    height: 120px;
    gap: 6px;
    padding-top: var(--space-2);
}

.weekly-bar-wrapper {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    height: 100%;
    justify-content: flex-end;
}

.weekly-bar {
    width: 100%;
    max-width: 36px;
    background: linear-gradient(to top, var(--primary), var(--primary-light));
    border-radius: 6px 6px 0 0;
    min-height: 4px;
    transition: height 0.6s var(--ease-out);
    position: relative;
}

.weekly-bar.today {
    background: linear-gradient(to top, var(--accent-teal), var(--accent-teal-dark));
    box-shadow: 0 0 12px rgba(212, 175, 55, 0.3);
}

.weekly-bar-count {
    position: absolute;
    top: -18px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 11px;
    font-weight: 700;
    color: var(--text-secondary);
}

.weekly-label {
    font-size: 10px;
    color: var(--text-muted);
    margin-top: 6px;
    text-align: center;
    font-weight: 600;
}

/* Module Accuracy */
.module-accuracy {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.accuracy-row {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.accuracy-module-name {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    min-width: 90px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.accuracy-bar-wrapper {
    flex: 1;
    height: 8px;
    background: var(--bg-active);
    border-radius: var(--r-full);
    overflow: hidden;
}

.accuracy-bar {
    height: 100%;
    background: var(--accent-green);
    border-radius: var(--r-full);
    transition: width 0.6s var(--ease-out);
}

.accuracy-percent {
    font-size: 12px;
    font-weight: 700;
    color: var(--text-secondary);
    min-width: 32px;
    text-align: left;
}

/* Perfect Lessons */
.perfect-lessons {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.perfect-lesson-item {
    font-size: 14px;
    padding: var(--space-2) var(--space-3);
    background: rgba(251, 191, 36, 0.06);
    border: 1px solid rgba(251, 191, 36, 0.15);
    border-radius: var(--r-sm);
    color: var(--accent-amber);
    font-weight: 600;
}

.perfect-lesson-empty {
    font-size: 13px;
    color: var(--text-muted);
    font-style: italic;
    text-align: center;
    padding: var(--space-3);
}

/* ═══════════════════════════════════════
   Wrong-Answer Feedback
   ═══════════════════════════════════════ */
.wrong-answer-detail {
    background: rgba(0, 0, 0, 0.2);
    border-radius: var(--r-sm);
    padding: var(--space-2) 14px;
    margin-bottom: var(--space-2);
    border-right: 3px solid rgba(255, 100, 100, 0.6);
}

.correct-answer-detail {
    background: rgba(0, 0, 0, 0.2);
    border-radius: var(--r-sm);
    padding: var(--space-2) 14px;
    margin-bottom: var(--space-2);
    border-right: 3px solid rgba(52, 211, 153, 0.6);
}

.feedback-answer-label {
    font-family: var(--font-heading);
    font-size: 12px;
    font-weight: 700;
    margin-bottom: var(--space-1);
    color: rgba(255, 255, 255, 0.9);
}

.feedback-answer-text {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.5;
}

.wrong-answer-detail .feedback-answer-text {
    text-decoration: line-through;
    text-decoration-color: rgba(255, 100, 100, 0.5);
}

.feedback-answer-reason {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.65);
    margin-top: var(--space-1);
    font-style: italic;
}

/* ═══════════════════════════════════════
   Micro-Animations: Star Burst
   ═══════════════════════════════════════ */
.star-burst-container {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
    z-index: var(--z-star-burst);
}

.star-particle {
    position: absolute;
    font-size: 18px;
    animation: star-burst 600ms var(--ease-out) forwards;
}

.star-particle:nth-child(1) { animation: star-burst-1 600ms var(--ease-out) forwards; }
.star-particle:nth-child(2) { animation: star-burst-2 600ms var(--ease-out) forwards; }
.star-particle:nth-child(3) { animation: star-burst-3 600ms var(--ease-out) forwards; }
.star-particle:nth-child(4) { animation: star-burst-4 600ms var(--ease-out) forwards; }
.star-particle:nth-child(5) { animation: star-burst-5 600ms var(--ease-out) forwards; }
.star-particle:nth-child(6) { animation: star-burst-6 600ms var(--ease-out) forwards; }
.star-particle:nth-child(7) { animation: star-burst-7 600ms var(--ease-out) forwards; }
.star-particle:nth-child(8) { animation: star-burst-8 600ms var(--ease-out) forwards; }
.star-particle:nth-child(9) { animation: star-burst-9 600ms var(--ease-out) forwards; }
.star-particle:nth-child(10) { animation: star-burst-10 600ms var(--ease-out) forwards; }

/* ═══════════════════════════════════════
   Level Up Overlay
   ═══════════════════════════════════════ */
.level-up-overlay {
    position: fixed;
    inset: 0;
    z-index: var(--z-level-up);
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
}

.level-up-text {
    text-align: center;
    animation: level-up-scale 0.6s var(--ease-spring);
}

.level-up-icon {
    font-size: 72px;
    margin-bottom: var(--space-4);
    animation: bounceIn 0.6s var(--ease-spring);
}

.level-up-heading {
    font-family: var(--font-heading);
    font-size: 36px;
    font-weight: 900;
    background: linear-gradient(135deg, var(--accent-amber), var(--accent-orange));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-2);
}

.level-up-name {
    font-size: 20px;
    color: var(--text-secondary);
    font-weight: 600;
}

/* Party mode glow */
.level-up-overlay.party-mode {
    background: radial-gradient(circle at center, rgba(47, 133, 146, 0.15), rgba(0, 0, 0, 0.85));
}

.level-up-overlay.party-mode .level-up-icon {
    animation: party-bounce 0.8s var(--ease-spring) infinite alternate;
}

/* Screen shake */
.screen-shake { animation: screen-shake 0.6s ease-out; }

/* Emoji rain */
.emoji-rain {
    position: absolute;
    animation: emoji-fall 3.5s ease-out forwards;
    pointer-events: none;
    z-index: 2;
}

/* Module Unlock Animation */
.home-path-node.just-unlocked {
    animation: module-unlock 0.8s var(--ease-spring);
}

/* ═══════════════════════════════════════
   Visual Learning Path
   ═══════════════════════════════════════ */
.learning-path-header {
    margin-bottom: var(--space-2);
}

.learning-path-header h2 {
    font-family: var(--font-heading);
    font-size: 22px;
    font-weight: 800;
    margin-bottom: var(--space-2);
}

.learning-path-progress {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: 13px;
    color: var(--text-secondary);
    font-weight: 600;
    margin-bottom: var(--space-1);
}

.learning-path-progress-bar {
    flex: 1;
    height: 6px;
    background: var(--bg-active);
    border-radius: var(--r-full);
    overflow: hidden;
}

.learning-path-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--accent-teal));
    border-radius: var(--r-full);
    transition: width 0.6s var(--ease-out);
}

.learning-path {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--space-2) 0 var(--space-10);
    position: relative;
}

.path-node-row {
    position: relative;
    width: 100%;
    max-width: 360px;
    margin-bottom: 0;
}

/* Zigzag offset */
.path-node-row:nth-child(odd) { padding-right: 40px; padding-left: 0; }
.path-node-row:nth-child(even) { padding-left: 40px; padding-right: 0; }

.path-connector {
    position: absolute;
    bottom: -2px;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 24px;
    background: repeating-linear-gradient(
        to bottom,
        var(--border-light) 0px,
        var(--border-light) 4px,
        transparent 4px,
        transparent 8px
    );
    z-index: 0;
}

.path-node {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 18px;
    border-radius: var(--r-lg);
    background: var(--glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 2px solid var(--glass-border);
    cursor: pointer;
    transition: all 0.3s var(--ease-out);
    position: relative;
    z-index: 1;
    margin-bottom: var(--space-5);
    overflow: hidden;
}

.path-node:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.path-node-icon {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
    transition: all 0.3s ease;
}

.path-node-info { flex: 1; }

.path-node-number {
    font-family: var(--font-heading);
    font-size: 11px;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 2px;
}

.path-node-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--text-primary);
}

/* Node States */
.path-node.completed { border-color: rgba(52, 211, 153, 0.3); }
.path-node.completed .path-node-icon { background: linear-gradient(135deg, var(--accent-green), var(--accent-green-dark)); }

.path-node.perfect {
    border-color: rgba(251, 191, 36, 0.3);
    box-shadow: 0 0 20px rgba(251, 191, 36, 0.1);
}
.path-node.perfect .path-node-icon { background: linear-gradient(135deg, var(--accent-amber), var(--accent-orange)); }

.path-node.available {
    border-color: rgba(47, 133, 146, 0.4);
    box-shadow: 0 0 20px rgba(47, 133, 146, 0.15);
}
.path-node.available .path-node-icon {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    animation: node-pulse 2s infinite;
}

.path-node.locked { opacity: 0.4; cursor: not-allowed; border-color: var(--glass-border); }
.path-node.locked:hover { transform: none; box-shadow: none; }
.path-node.locked .path-node-icon { background: var(--bg-active); }

/* ═══════════════════════════════════════
   Home Screen Journey Path
   ═══════════════════════════════════════ */
.home-journey {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 0 0 30px;
    position: relative;
}

.home-journey-title {
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: var(--space-4);
    text-align: center;
}

.home-path-container {
    position: relative;
    width: 100%;
    max-width: 380px;
}

/* Vertical dotted line */
.home-path-line {
    position: absolute;
    top: 30px;
    bottom: 30px;
    left: 50%;
    width: 3px;
    transform: translateX(-50%);
    background: repeating-linear-gradient(
        to bottom,
        var(--border-light) 0px,
        var(--border-light) 6px,
        transparent 6px,
        transparent 12px
    );
    z-index: 0;
}

.home-path-node {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 18px;
    margin-bottom: var(--space-4);
    border-radius: var(--r-lg);
    background: var(--glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 2px solid var(--glass-border);
    cursor: pointer;
    transition: all 0.3s var(--ease-out);
    overflow: hidden;
}

.home-path-node:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* RTL-safe zigzag offset */
.home-path-node:nth-child(odd) {
    margin-inline-end: 30px;
    margin-inline-start: 0;
}
.home-path-node:nth-child(even) {
    margin-inline-start: 30px;
    margin-inline-end: 0;
}

.home-path-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    flex-shrink: 0;
    transition: all 0.3s ease;
}

.home-path-info { flex: 1; }

.home-path-label {
    font-family: var(--font-heading);
    font-size: 11px;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 2px;
}

.home-path-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.home-path-desc {
    font-size: 12px;
    color: var(--text-secondary);
    line-height: 1.3;
}

.home-path-progress {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-top: var(--space-1);
}

.home-path-progress-bar {
    flex: 1;
    height: 4px;
    background: var(--bg-active);
    border-radius: var(--r-full);
    overflow: hidden;
}

.home-path-progress-fill {
    height: 100%;
    border-radius: var(--r-full);
    background: linear-gradient(90deg, var(--primary), var(--accent-teal));
    transition: width 0.6s var(--ease-out);
}

.home-path-progress-text {
    font-size: 11px;
    font-weight: 700;
    color: var(--text-muted);
    min-width: 28px;
    text-align: left;
}

.home-path-arrow {
    font-size: 18px;
    color: var(--text-muted);
    flex-shrink: 0;
}

/* Node states */
.home-path-node.start { border-color: rgba(52, 211, 153, 0.4); background: rgba(52, 211, 153, 0.08); }
.home-path-node.start .home-path-icon { background: linear-gradient(135deg, var(--accent-green), var(--accent-green-dark)); }

.home-path-node.completed { border-color: rgba(52, 211, 153, 0.3); }
.home-path-node.completed .home-path-icon { background: linear-gradient(135deg, var(--accent-green), var(--accent-green-dark)); }

.home-path-node.available { border-color: rgba(47, 133, 146, 0.4); box-shadow: 0 0 20px rgba(47, 133, 146, 0.1); }
.home-path-node.available .home-path-icon {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    animation: node-pulse 2s infinite;
}

.home-path-node.locked { opacity: 0.4; cursor: not-allowed; }
.home-path-node.locked:hover { transform: none; box-shadow: none; }
.home-path-node.locked .home-path-icon { background: var(--bg-active); }

.home-path-node.special { border-color: var(--glass-border); background: var(--glass); }
.home-path-node.special .home-path-icon { background: linear-gradient(135deg, var(--accent-amber), var(--accent-orange)); }

/* Next recommended action — golden highlight + subtle pulse */
.home-path-node.next-action {
    border-color: rgba(212, 175, 55, 0.5);
    background: rgba(212, 175, 55, 0.08);
    box-shadow: 0 0 20px rgba(212, 175, 55, 0.15);
    animation: next-action-pulse 2.5s ease-in-out infinite;
}
@keyframes next-action-pulse {
    0%, 100% { box-shadow: 0 0 20px rgba(212, 175, 55, 0.15); }
    50% { box-shadow: 0 0 30px rgba(212, 175, 55, 0.3); }
}

.home-path-node.goal { border-color: rgba(251, 191, 36, 0.4); background: rgba(251, 191, 36, 0.08); }
.home-path-node.goal .home-path-icon {
    background: linear-gradient(135deg, var(--accent-amber), var(--accent-orange));
    animation: goal-glow 2s infinite alternate;
}

/* ═══════════════════════════════════════
   Ripple Effect
   ═══════════════════════════════════════ */
.ripple-effect {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.35);
    transform: scale(0);
    animation: ripple-expand 600ms ease-out forwards;
    pointer-events: none;
    z-index: 10;
}

/* ═══════════════════════════════════════
   XP Float
   ═══════════════════════════════════════ */
.xp-float {
    position: fixed;
    transform: translateX(-50%);
    color: var(--accent-amber);
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 800;
    text-shadow: 0 2px 8px rgba(251, 191, 36, 0.5);
    z-index: var(--z-xp-float);
    pointer-events: none;
    animation: xp-float-up 1.2s var(--ease-out) forwards;
    white-space: nowrap;
}

/* ═══════════════════════════════════════
   AI Feedback (Gemini)
   ═══════════════════════════════════════ */
.ai-feedback-container {
    margin-top: var(--space-3);
    border-top: 1px solid var(--border);
    padding-top: var(--space-3);
}

.ai-feedback-loading {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    color: var(--text-muted);
    font-size: 13px;
}

.ai-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--primary);
    animation: ai-dot-pulse 1.2s ease-in-out infinite;
}
.ai-dot:nth-child(2) { animation-delay: 0.2s; }
.ai-dot:nth-child(3) { animation-delay: 0.4s; }

.ai-feedback {
    background: rgba(47, 133, 146, 0.08);
    border-radius: var(--r-sm);
    padding: var(--space-2) var(--space-3);
}

.ai-feedback-label {
    font-family: var(--font-heading);
    font-size: 11px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: var(--space-1);
}

.ai-feedback-text {
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-primary);
}

/* ═══════════════════════════════════════
   Ram Chat FAB & Panel
   ═══════════════════════════════════════ */
.ram-chat-fab {
    position: fixed;
    bottom: calc(70px + env(safe-area-inset-bottom, 0px));
    left: 24px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    box-shadow: 0 4px 20px rgba(47, 133, 146, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: var(--z-chat-fab);
    transition: transform 0.3s var(--ease-spring), box-shadow 0.3s;
    animation: fab-pulse 3s ease-in-out infinite;
}

.ram-chat-fab:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 28px rgba(47, 133, 146, 0.5);
}

.ram-chat-fab:focus-visible {
    outline: 2px solid var(--color-primary-500);
    outline-offset: 2px;
}

.ram-fab-img {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    object-fit: cover;
}

.ram-chat-panel {
    position: fixed;
    bottom: calc(140px + env(safe-area-inset-bottom, 0px));
    left: 24px;
    width: 340px;
    max-width: calc(100vw - 48px);
    height: 440px;
    max-height: 60vh;
    background: var(--bg-base);
    border: 1px solid var(--glass-border);
    border-radius: var(--r-lg);
    display: flex;
    flex-direction: column;
    z-index: var(--z-chat-panel);
    box-shadow: var(--shadow-lg);
    animation: chat-slide-up 0.3s var(--ease-out);
    overflow: hidden;
}

.ram-chat-header {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: 14px var(--space-4);
    background: var(--bg-raised);
    border-bottom: 1px solid var(--border);
}

.ram-chat-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    object-fit: cover;
}

.ram-chat-name {
    font-family: var(--font-heading);
    font-size: 15px;
    font-weight: 700;
    color: var(--text-primary);
}

.ram-chat-status {
    font-size: 11px;
    color: var(--primary);
}

.ram-chat-close {
    margin-inline-start: auto;
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 22px;
    min-width: 44px;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    padding: var(--space-1) var(--space-2);
    border-radius: var(--r-sm);
}

.ram-chat-close:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.ram-chat-close:focus-visible {
    outline: 2px solid var(--color-primary-500);
    outline-offset: 2px;
}

.ram-chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-4);
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.ram-msg {
    max-width: 85%;
    padding: var(--space-2) 14px;
    border-radius: var(--r-xl);
    font-size: 14px;
    line-height: 1.6;
    animation: msg-in 0.3s var(--ease-out);
}

.ram-msg-ai {
    background: var(--bg-raised);
    border: 1px solid var(--border);
    color: var(--text-primary);
    align-self: flex-start;
    border-bottom-right-radius: 6px;
}

.ram-msg-user {
    background: var(--primary);
    color: white;
    align-self: flex-end;
    border-bottom-left-radius: 6px;
}

.ram-msg-loading {
    display: flex;
    gap: var(--space-1);
    align-items: center;
    padding: 14px;
}

.ram-chat-suggestions {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    padding: 0 4px 8px;
}

.ram-suggestion-btn {
    background: var(--bg-active);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 6px 12px;
    font-size: 12px;
    color: var(--primary-light);
    cursor: pointer;
    transition: background 0.2s, border-color 0.2s;
    font-family: inherit;
}

.ram-suggestion-btn:hover {
    background: var(--bg-overlay);
    border-color: var(--primary);
}

.ram-chat-input-area {
    display: flex;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-4);
    border-top: 1px solid var(--border);
    background: var(--bg-raised);
}

.ram-chat-input {
    flex: 1;
    background: var(--bg-overlay);
    border: 1px solid var(--border);
    border-radius: var(--r-full);
    padding: var(--space-2) var(--space-4);
    color: var(--text-primary);
    font-size: 14px;
    font-family: var(--font-body);
    outline: none;
    transition: border-color 0.2s;
}

.ram-chat-input::placeholder { color: var(--text-muted); }
.ram-chat-input:focus { border-color: var(--primary); }

.ram-chat-send {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--primary);
    border: none;
    color: white;
    font-size: 18px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
}

.ram-chat-send:hover { background: var(--primary-dark); }

.ram-chat-send:focus-visible {
    outline: 2px solid var(--color-primary-500);
    outline-offset: 2px;
}

/* ═══════════════════════════════════════
   Ram Coaching Toast
   ═══════════════════════════════════════ */
.ram-coaching-toast {
    position: fixed;
    bottom: 96px;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    background: var(--bg-base);
    border: 1px solid var(--primary);
    border-radius: var(--r-lg);
    padding: 14px 18px;
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    max-width: 400px;
    width: calc(100% - 48px);
    z-index: var(--z-chat-toast);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    opacity: 0;
    transition: opacity 0.4s, transform 0.4s var(--ease-out);
}

.ram-coaching-toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.ram-toast-img {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
}

.ram-toast-text {
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-primary);
}

/* ═══════════════════════════════════════
   Performance
   ═══════════════════════════════════════ */
.module-card,
.lesson-item,
.option-btn,
.order-item,
.word-chip,
.compare-card,
.match-item {
    will-change: transform;
    transform: translateZ(0);
}

/* Better touch targets for mobile */
@media (hover: none) and (pointer: coarse) {
    .option-btn,
    .module-card,
    .lesson-item {
        min-height: 54px;
    }

    .btn { min-height: 48px; }
    .compare-card { min-height: 80px; }
    .match-item { min-height: 52px; }

    /* Active/pressed state for touch */
    .module-card:active,
    .lesson-item:active,
    .home-path-node:active,
    .option-btn:active {
        transform: scale(0.97);
        transition: transform 0.1s ease;
    }
}

/* ═══════════════════════════════════════════════════════
   @keyframes — Consolidated
   ═══════════════════════════════════════════════════════ */
@keyframes fadeSlideIn {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    20% { transform: translateX(-8px); }
    40% { transform: translateX(8px); }
    60% { transform: translateX(-4px); }
    80% { transform: translateX(4px); }
}

@keyframes pulse-success {
    0% { transform: scale(1); }
    50% { transform: scale(1.015); }
    100% { transform: scale(1); }
}

@keyframes bounceIn {
    0% { transform: scale(0); opacity: 0; }
    50% { transform: scale(1.15); }
    100% { transform: scale(1); opacity: 1; }
}

@keyframes xpPopup {
    0% { opacity: 0; transform: translate(-50%, -50%) scale(0.5); }
    20% { opacity: 1; transform: translate(-50%, -50%) scale(1.15); }
    40% { transform: translate(-50%, -50%) scale(1); }
    100% { opacity: 0; transform: translate(-50%, -150%) scale(1); }
}

@keyframes confettiFall {
    0% { transform: translateY(-100vh) rotate(0deg); opacity: 1; }
    100% { transform: translateY(100vh) rotate(720deg); opacity: 0; }
}

@keyframes confettiSway {
    0% { transform: translateY(-100vh) rotate(0deg) translateX(0); opacity: 1; }
    25% { transform: translateY(-50vh) rotate(180deg) translateX(30px); }
    50% { transform: translateY(0vh) rotate(360deg) translateX(-20px); }
    75% { transform: translateY(50vh) rotate(540deg) translateX(15px); }
    100% { transform: translateY(100vh) rotate(720deg) translateX(-10px); opacity: 0; }
}

@keyframes heartBreak {
    0% { transform: scale(1); }
    25% { transform: scale(1.3); }
    50% { transform: scale(0.7); }
    100% { transform: scale(1); }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.5); opacity: 0.4; }
}

@keyframes mentorSlideIn {
    from { opacity: 0; transform: translateX(20px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes mentorPop {
    0% { transform: scale(0.85); opacity: 0; }
    60% { transform: scale(1.03); }
    100% { transform: scale(1); opacity: 1; }
}

@keyframes achievementBounce {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.25); }
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

@keyframes skeletonShimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

@keyframes xp-bar-flow {
    0% { background-position: 0% 50%; }
    100% { background-position: 200% 50%; }
}

@keyframes xp-shine {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

@keyframes node-pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(47, 133, 146, 0.4); }
    50% { box-shadow: 0 0 0 8px rgba(47, 133, 146, 0); }
}

@keyframes goal-glow {
    0% { box-shadow: 0 0 10px rgba(251, 191, 36, 0.3); }
    100% { box-shadow: 0 0 25px rgba(251, 191, 36, 0.6); }
}

@keyframes ripple-expand {
    0% { transform: scale(0); opacity: 1; }
    100% { transform: scale(2.5); opacity: 0; }
}

@keyframes xp-float-up {
    0% { opacity: 1; transform: translateX(-50%) translateY(0) scale(1); }
    70% { opacity: 1; transform: translateX(-50%) translateY(-40px) scale(1.1); }
    100% { opacity: 0; transform: translateX(-50%) translateY(-60px) scale(0.8); }
}

@keyframes rainbow-glow-pulse {
    0%   { box-shadow: 0 0 8px rgba(47, 133, 146, 0.3); }
    25%  { box-shadow: 0 0 12px rgba(52, 211, 153, 0.3); }
    50%  { box-shadow: 0 0 8px rgba(251, 191, 36, 0.3); }
    75%  { box-shadow: 0 0 12px rgba(244, 63, 94, 0.3); }
    100% { box-shadow: 0 0 8px rgba(47, 133, 146, 0.3); }
}

@keyframes achievement-pop-in {
    0% { transform: translateY(30px) scale(0.8); opacity: 0; }
    50% { transform: translateY(-5px) scale(1.05); }
    100% { transform: translateY(0) scale(1); opacity: 1; }
}

@keyframes rainbow-border {
    0%   { border-color: rgba(47, 133, 146, 0.5); }
    25%  { border-color: rgba(52, 211, 153, 0.5); }
    50%  { border-color: rgba(251, 191, 36, 0.5); }
    75%  { border-color: rgba(244, 63, 94, 0.5); }
    100% { border-color: rgba(47, 133, 146, 0.5); }
}

@keyframes star-burst {
    0% { opacity: 1; transform: translate(0, 0) scale(0.5); }
    100% { opacity: 0; transform: translate(calc(cos(var(--angle)) * var(--distance)), calc(sin(var(--angle)) * var(--distance))) scale(1.2); }
}

@keyframes star-burst-1 { 0% { opacity:1; transform: scale(0.5) translate(0,0); } 100% { opacity:0; transform: scale(1.2) translate(80px, 0); } }
@keyframes star-burst-2 { 0% { opacity:1; transform: scale(0.5) translate(0,0); } 100% { opacity:0; transform: scale(1.2) translate(56px, 56px); } }
@keyframes star-burst-3 { 0% { opacity:1; transform: scale(0.5) translate(0,0); } 100% { opacity:0; transform: scale(1.2) translate(0, 80px); } }
@keyframes star-burst-4 { 0% { opacity:1; transform: scale(0.5) translate(0,0); } 100% { opacity:0; transform: scale(1.2) translate(-56px, 56px); } }
@keyframes star-burst-5 { 0% { opacity:1; transform: scale(0.5) translate(0,0); } 100% { opacity:0; transform: scale(1.2) translate(-80px, 0); } }
@keyframes star-burst-6 { 0% { opacity:1; transform: scale(0.5) translate(0,0); } 100% { opacity:0; transform: scale(1.2) translate(-56px, -56px); } }
@keyframes star-burst-7 { 0% { opacity:1; transform: scale(0.5) translate(0,0); } 100% { opacity:0; transform: scale(1.2) translate(0, -80px); } }
@keyframes star-burst-8 { 0% { opacity:1; transform: scale(0.5) translate(0,0); } 100% { opacity:0; transform: scale(1.2) translate(56px, -56px); } }
@keyframes star-burst-9 { 0% { opacity:1; transform: scale(0.5) translate(0,0); } 100% { opacity:0; transform: scale(1.2) translate(40px, -70px); } }
@keyframes star-burst-10 { 0% { opacity:1; transform: scale(0.5) translate(0,0); } 100% { opacity:0; transform: scale(1.2) translate(-40px, 70px); } }

@keyframes streak-fire {
    0% { transform: scale(1) translateZ(0); }
    50% { transform: scale(1.3) translateZ(0); }
    100% { transform: scale(1) translateZ(0); }
}

@keyframes level-up-scale {
    0% { transform: scale(0.3); opacity: 0; }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); opacity: 1; }
}

@keyframes confetti-fall {
    0% { transform: translateY(-100vh) rotate(0deg); opacity: 1; }
    100% { transform: translateY(100vh) rotate(720deg); opacity: 0; }
}

@keyframes screen-shake {
    0%, 100% { transform: translateX(0); }
    10% { transform: translateX(-6px) rotate(-0.5deg); }
    20% { transform: translateX(6px) rotate(0.5deg); }
    30% { transform: translateX(-5px) rotate(-0.3deg); }
    40% { transform: translateX(5px) rotate(0.3deg); }
    50% { transform: translateX(-3px); }
    60% { transform: translateX(3px); }
    70% { transform: translateX(-2px); }
    80% { transform: translateX(2px); }
}

@keyframes party-bounce {
    0% { transform: scale(1) rotate(-5deg); }
    100% { transform: scale(1.2) rotate(5deg); }
}

@keyframes emoji-fall {
    0% { transform: translateY(-50px) rotate(0deg) scale(0.5); opacity: 0; }
    10% { opacity: 1; transform: translateY(0) rotate(15deg) scale(1); }
    100% { transform: translateY(100vh) rotate(360deg) scale(0.8); opacity: 0; }
}

@keyframes mentor-bounce-in {
    0% { opacity: 0; transform: translateY(20px) scale(0.9); }
    50% { opacity: 1; transform: translateY(-5px) scale(1.02); }
    100% { transform: translateY(0) scale(1); }
}

@keyframes mentor-breathe {
    0%, 100% { transform: scale(1) translateY(0); }
    50% { transform: scale(1.03) translateY(-2px); }
}

@keyframes mentor-happy-bounce {
    0% { transform: scale(1) rotate(0); }
    25% { transform: scale(1.15) rotate(-5deg); }
    50% { transform: scale(0.95) rotate(3deg); }
    75% { transform: scale(1.05) rotate(-2deg); }
    100% { transform: scale(1) rotate(0); }
}

@keyframes mentor-sad-shake {
    0%, 100% { transform: translateX(0) rotate(0); }
    20% { transform: translateX(-4px) rotate(-3deg); }
    40% { transform: translateX(4px) rotate(3deg); }
    60% { transform: translateX(-3px) rotate(-2deg); }
    80% { transform: translateX(2px) rotate(1deg); }
}

@keyframes mentor-wave {
    0% { transform: rotate(0) scale(1); }
    15% { transform: rotate(-10deg) scale(1.05); }
    30% { transform: rotate(12deg) scale(1.05); }
    45% { transform: rotate(-8deg) scale(1.03); }
    60% { transform: rotate(8deg) scale(1.03); }
    75% { transform: rotate(-3deg) scale(1.01); }
    100% { transform: rotate(0) scale(1); }
}

@keyframes module-unlock {
    0% { transform: scale(0.9); opacity: 0.4; filter: grayscale(1); }
    50% { transform: scale(1.08); opacity: 1; filter: grayscale(0); }
    100% { transform: scale(1); opacity: 1; }
}

@keyframes ai-dot-pulse {
    0%, 80%, 100% { opacity: 0.3; transform: scale(0.8); }
    40% { opacity: 1; transform: scale(1.2); }
}

@keyframes fab-pulse {
    0%, 100% { box-shadow: 0 4px 20px rgba(47, 133, 146, 0.4); }
    50% { box-shadow: 0 4px 28px rgba(212, 175, 55, 0.4); }
}

@keyframes chat-slide-up {
    0% { opacity: 0; transform: translateY(20px) scale(0.95); }
    100% { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes msg-in {
    0% { opacity: 0; transform: translateY(8px); }
    100% { opacity: 1; transform: translateY(0); }
}

/* ═══════════════════════════════════════════════════════
   Welcome Gate
   ═══════════════════════════════════════════════════════ */
.welcome-gate {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: #001A20;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: var(--space-6);
    opacity: 0;
    transition: opacity 0.4s ease;
    overflow: hidden;
}

.welcome-gate-hero {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.35;
    pointer-events: none;
}

video.welcome-gate-hero {
    object-position: center 40%;
}

.welcome-gate.active {
    opacity: 1;
}

.welcome-gate-content {
    position: relative;
    z-index: 1;
    max-width: 420px;
    transform: translateY(20px);
    transition: transform 0.5s ease 0.1s;
}

.welcome-gate.active .welcome-gate-content {
    transform: translateY(0);
}

.welcome-gate-brand {
    margin-bottom: var(--space-5);
}

.welcome-gate-brand-text {
    font-family: var(--font-heading);
    font-size: 13px;
    font-weight: 700;
    color: var(--color-gold-500);
    letter-spacing: 3px;
    text-transform: uppercase;
    opacity: 0.7;
}

.welcome-gate-logo {
    width: 120px;
    height: auto;
    margin-bottom: var(--space-4);
    filter: drop-shadow(0 4px 20px rgba(212, 175, 55, 0.3));
    border-radius: 16px;
    mix-blend-mode: lighten;
    opacity: 0.9;
    animation: logoPulse 3s ease-in-out infinite;
}

@keyframes logoPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.welcome-gate-subtitle {
    font-family: var(--font-body);
    font-size: 0.9rem;
    color: var(--color-gold-400);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: var(--space-1);
}

.welcome-gate-title {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--color-primary-100);
    margin: 0 0 var(--space-4);
    line-height: 1.2;
}

.welcome-gate-desc {
    font-family: var(--font-body);
    font-size: 1rem;
    color: rgba(232, 241, 242, 0.7);
    line-height: 1.7;
    margin-bottom: var(--space-6);
}

.welcome-gate-stats {
    display: flex;
    justify-content: center;
    gap: var(--space-8);
    margin-bottom: var(--space-8);
}

.welcome-gate-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.welcome-gate-stat-num {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--color-gold-500);
}

.welcome-gate-stat-label {
    font-family: var(--font-body);
    font-size: 0.8rem;
    color: rgba(232, 241, 242, 0.5);
    margin-top: var(--space-1);
}

.welcome-gate-btn {
    display: block;
    width: 100%;
    padding: var(--space-4) var(--space-6);
    background: linear-gradient(135deg, var(--color-gold-500), var(--color-gold-600));
    color: #001A20;
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 700;
    border: none;
    border-radius: var(--r-lg);
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    box-shadow: 0 4px 24px rgba(212, 175, 55, 0.3);
}

.welcome-gate-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 32px rgba(212, 175, 55, 0.5);
}

.welcome-gate-btn:active {
    transform: translateY(0);
}

.welcome-gate-footer {
    font-family: var(--font-body);
    font-size: 0.75rem;
    color: rgba(232, 241, 242, 0.35);
    margin-top: var(--space-4);
}

.welcome-gate-footer a {
    color: var(--color-gold-400);
    text-decoration: none;
}

/* Reading hero image */
.reading-hero {
    margin: calc(-1 * var(--space-6)) calc(-1 * var(--space-5)) var(--space-5);
    border-radius: var(--r-lg) var(--r-lg) 0 0;
    overflow: hidden;
    max-height: 200px;
}

.reading-hero-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
    opacity: 0.8;
}

/* Exercise type icon */
.exercise-type-icon {
    width: 24px;
    height: 24px;
    border-radius: var(--r-sm);
    object-fit: cover;
    vertical-align: middle;
    margin-inline-end: var(--space-1);
}

/* Achievement badge images */
.achievement-badge-img {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    object-fit: cover;
}

/* Module path images */
.home-path-img {
    width: 48px;
    height: 48px;
    border-radius: var(--r-md);
    object-fit: cover;
    border: 2px solid var(--color-gold-400);
    box-shadow: 0 2px 8px rgba(212, 175, 55, 0.2);
}

/* Mobile welcome gate */
@media (max-width: 480px) {
    .welcome-gate { padding: var(--space-4); }
    .welcome-gate-brand-text { font-size: 11px; letter-spacing: 2px; }
    .welcome-gate-title { font-size: 1.8rem; }
    .welcome-gate-desc { font-size: 0.95rem; }
    .welcome-gate-stats { gap: var(--space-5); }
    .welcome-gate-stat-num { font-size: 1.5rem; }
    .welcome-gate-btn { font-size: 1.1rem; padding: var(--space-4); }
}

/* ═══════════════════════════════════════════════════════
   Reading Section
   ═══════════════════════════════════════════════════════ */
.reading-section {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: var(--r-lg);
    padding: var(--space-6) var(--space-5);
    max-width: var(--max-width);
    margin: var(--space-4) auto;
    animation: fadeIn 0.4s ease;
}

.reading-header {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-6);
    padding-bottom: var(--space-4);
    border-bottom: 1px solid var(--glass-border);
}

.reading-icon {
    font-size: 28px;
    flex-shrink: 0;
}

.reading-title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
    line-height: 1.5;
}

.reading-content {
    margin-bottom: var(--space-6);
}

.reading-paragraph {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.9;
    color: var(--text-secondary);
    margin-bottom: var(--space-4);
    text-align: right;
}

.reading-paragraph:last-child {
    margin-bottom: 0;
}

.key-term {
    color: var(--color-gold-500);
    font-weight: 600;
    cursor: pointer;
    border-bottom: 1px dashed var(--color-gold-500);
    transition: opacity 0.2s;
}
.key-term:hover { opacity: 0.8; }

/* Reading time estimate */
.reading-time {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 4px;
}

/* Reading scroll progress */
.reading-scroll-progress {
    position: sticky;
    top: 0;
    z-index: 10;
    height: 3px;
    background: var(--bg-active);
    border-radius: 0 0 2px 2px;
    overflow: hidden;
}
.reading-scroll-fill {
    height: 100%;
    width: 0;
    background: linear-gradient(90deg, var(--primary), var(--color-gold-500));
    transition: width 0.1s linear;
}

/* Term tooltip (floating) */
.term-tooltip {
    position: fixed;
    bottom: 100px;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    background: var(--bg-raised);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    padding: 16px 20px;
    max-width: min(400px, 90vw);
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-primary);
    z-index: 200;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    transition: opacity 0.2s, transform 0.2s;
}
.term-tooltip.show { opacity: 1; transform: translateX(-50%) translateY(0); }

.reading-cta-wrapper {
    padding-top: var(--space-4);
    border-top: 1px solid var(--glass-border);
    position: sticky;
    bottom: 0;
    background: var(--glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding-bottom: var(--space-2);
    margin: 0 calc(-1 * var(--space-5));
    padding-left: var(--space-5);
    padding-right: var(--space-5);
    border-radius: 0 0 var(--r-lg) var(--r-lg);
}

.reading-cta {
    min-height: 52px;
    font-size: 1.05rem;
    font-weight: 700;
}

/* ═══════════════════════════════════════════════════════
   Responsive — Consolidated
   ═══════════════════════════════════════════════════════ */
@media (max-width: 480px) {
    /* Container */
    .container { padding: 14px var(--space-4); }

    /* Header — compact on mobile */
    .logo { display: none; }
    .stats-bar { gap: 2px; flex-wrap: nowrap; min-width: 0; }
    .stat-item { font-size: 10px; padding: 2px var(--space-1); min-width: 0; flex-shrink: 1; }
    .stat-item .icon { font-size: 13px; }
    .heart { font-size: 13px; }
    .hearts-display { gap: 1px; }
    .sound-toggle { min-width: 36px; min-height: 36px; font-size: 16px; padding: var(--space-1); }

    /* Module cards */
    .module-icon { width: 48px; height: 48px; font-size: 24px; }
    .module-title { font-size: 15px; }

    /* Exercise */
    .exercise-container { padding: var(--space-4); }
    .exercise-question { font-size: 18px; }
    .exercise-text, .question-text { font-size: 16px; }
    .option-btn { padding: 14px var(--space-4); font-size: 14px; min-height: 56px; }

    /* Compare */
    .compare-card { padding: var(--space-4); }
    .compare-text { font-size: 14px; }

    /* Match */
    .match-container { gap: var(--space-2); }
    .match-item { padding: var(--space-3); font-size: 15px; min-height: 52px; }

    /* Completion */
    .completion-stats { gap: var(--space-5); }
    .completion-stat-value { font-size: 26px; }

    /* Achievements */
    .achievements-grid { grid-template-columns: repeat(3, 1fr); }

    /* Stats */
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .stats-cards { gap: var(--space-2); }
    .stats-card { padding: 14px var(--space-2); }
    .stats-card-value { font-size: 24px; }
    .weekly-chart { height: 100px; }
    .accuracy-module-name { min-width: 70px; font-size: 11px; }

    /* Learning path */
    .path-node-row:nth-child(odd) { padding-right: 20px; }
    .path-node-row:nth-child(even) { padding-left: 20px; }
    .path-node { padding: var(--space-3) 14px; }
    .path-node-icon { width: 38px; height: 38px; font-size: 18px; }

    /* Home journey path */
    .home-path-node:nth-child(odd) { margin-inline-end: 15px; }
    .home-path-node:nth-child(even) { margin-inline-start: 15px; }
    .home-path-icon { width: 40px; height: 40px; font-size: 18px; }
    .home-path-title { font-size: 14px; }

    /* Mentor */
    .mentor-text { font-size: 15px; }

    /* Feedback */
    .feedback-panel { border-radius: 16px 16px 0 0; margin: 0; }
    .feedback-panel .feedback-content { padding: 20px 16px; }
    .feedback-panel .btn { width: 100%; min-height: 56px; font-size: 16px; }

    /* Modal */
    .modal-content { width: 95%; margin: var(--space-2); }

    /* Level up */
    .level-up-heading { font-size: 28px; }

    /* Reading section */
    .reading-hero { margin: calc(-1 * var(--space-4)) calc(-1 * var(--space-4)) var(--space-4); max-height: 160px; }
    .reading-hero-img { height: 160px; }
    .reading-section { padding: var(--space-4) var(--space-4); margin: var(--space-3) auto; }
    .reading-title { font-size: 1.1rem; }
    .reading-paragraph { font-size: 1.05rem; line-height: 2; }
    .reading-cta { min-height: 56px; font-size: 1.1rem; }
    .reading-cta-wrapper {
        margin: 0 calc(-1 * var(--space-4));
        padding-left: var(--space-4);
        padding-right: var(--space-4);
        padding-bottom: env(safe-area-inset-bottom, var(--space-2));
    }

    /* Footer actions — mobile */
    .footer-actions {
        padding: 12px 16px;
        padding-bottom: calc(12px + env(safe-area-inset-bottom, 0px));
    }
    .footer-actions .container {
        flex-direction: column-reverse;
        gap: 8px;
    }
    .footer-actions .btn-primary,
    .footer-actions .btn-gold {
        width: 100%;
        min-height: 56px;
        font-size: 16px;
        font-weight: 700;
        border-radius: 14px;
    }
    .footer-actions .btn-secondary {
        width: 100%;
        min-height: 44px;
        font-size: 14px;
        opacity: 0.7;
    }

    /* Achievement popup — mobile centered */
    .achievement-popup {
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        width: 90%;
        max-width: 320px;
        text-align: center;
        flex-direction: column;
        padding: 20px;
    }

    /* Ram chat — bottom-sheet */
    .ram-chat-panel {
        left: 0;
        right: 0;
        bottom: 0;
        width: 100%;
        height: 60vh;
        border-radius: var(--r-xl) var(--r-xl) 0 0;
        animation: slideUp 0.3s ease;
    }
    .ram-chat-fab { bottom: calc(70px + env(safe-area-inset-bottom, 0px)); left: 16px; width: 52px; height: 52px; }
    .ram-fab-img { width: 38px; height: 38px; }
}

/* Ram chat bottom-sheet backdrop */
.ram-chat-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: 1000;
}
.ram-chat-backdrop.active { display: block; }

@keyframes slideUp {
    from { transform: translateY(100%); }
    to { transform: translateY(0); }
}

/* Button stacking on very small screens */
@media (max-width: 380px) {
    #footer-actions .container {
        flex-direction: column-reverse;
        gap: var(--space-2);
    }
    #footer-actions .container .btn {
        width: 100%;
    }
}

/* ═══════════════════════════════════════════════════════
   Fullscreen Game Mode (mobile)
   ═══════════════════════════════════════════════════════ */
@media (max-width: 480px) {
    /* Hide page-header when playing a lesson/exercise */
    body.game-fullscreen .page-header {
        transform: translateY(-100%);
        transition: transform 0.3s ease;
    }
    body.game-fullscreen .page-body {
        padding-top: 0;
    }
    body.game-fullscreen .header {
        top: 0;
    }

    /* Match: stack vertically on very small screens */
    .match-container {
        grid-template-columns: 1fr;
    }
    .match-item {
        font-size: 14px;
        min-height: 48px;
        padding: var(--space-3);
    }
}

/* Performance: reduce backdrop-filter on mobile */
@media (max-width: 480px) {
    .module-card,
    .lesson-item,
    .exercise-container,
    .path-node,
    .home-path-node,
    .mentor-welcome,
    .mentor-tip,
    .compare-card,
    .match-item,
    .order-item,
    .stat-item {
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
        background: rgba(0, 42, 50, 0.85);
    }
}

/* ═══════════════════════════════════════════════════════
   Exercise Breadcrumb
   ═══════════════════════════════════════════════════════ */
.exercise-breadcrumb {
    font-size: 12px;
    color: var(--text-muted, rgba(232, 241, 242, 0.5));
    text-align: center;
    margin-bottom: var(--space-2);
    font-family: var(--font-heading);
    letter-spacing: 0.5px;
}

/* ═══════════════════════════════════════════════════════
   Compact Hearts (Mobile)
   ═══════════════════════════════════════════════════════ */
.hearts-compact {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 14px !important;
}

.hearts-compact .hearts-count {
    font-weight: 700;
    font-size: 14px;
    color: var(--color-error, #EF4444);
}

/* ═══════════════════════════════════════════════════════
   Pause Animations (when tab not visible)
   ═══════════════════════════════════════════════════════ */
body.animations-paused *,
body.animations-paused *::before,
body.animations-paused *::after {
    animation-play-state: paused !important;
}

/* ═══════════════════════════════════════════════════════
   Reduced Motion
   ═══════════════════════════════════════════════════════ */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }

    .level-progress-fill,
    .level-progress-fill::after,
    .mentor-avatar.mentor-idle img,
    .streak-fire::after,
    .ram-chat-fab {
        animation: none !important;
    }
}