/*
 * ============================================================
 * Shared Scholastic CSS Framework
 * Bible Ministries International — Agarikon Workshop
 * Created: 2026-02-03
 * 
 * A unified, ADHD-friendly design system for all scholastic pages.
 * Minimal distractions, clear hierarchy, consistent patterns.
 * ============================================================
 */

/* ============================================================
   1. CSS CUSTOM PROPERTIES (Design Tokens)
   ============================================================ */

:root {
    /* ---- Color Palette ---- */
    /* Primary: Deep burgundy (biblical, scholarly) */
    --color-primary: #8B0000;
    --color-primary-light: #a52a2a;
    --color-primary-dark: #6d0000;
    
    /* Secondary: Gold accent (divine, premium) */
    --color-secondary: #D4AF37;
    --color-secondary-light: #e6c875;
    --color-secondary-dark: #b8962e;
    
    /* Neutrals - Dark Theme (default) */
    --color-bg: #0a0a0a;
    --color-bg-elevated: #111111;
    --color-surface: #161616;
    --color-surface-hover: #1e1e1e;
    --color-surface-active: #252525;
    --color-border: #2a2a2a;
    --color-border-light: #333333;
    
    /* Text Colors */
    --color-text: #e8e8e8;
    --color-text-secondary: #b0b0b0;
    --color-text-muted: #888888;
    --color-text-inverse: #0a0a0a;
    
    /* Semantic Colors */
    --color-success: #27ae60;
    --color-success-light: #2ecc71;
    --color-error: #c0392b;
    --color-error-light: #e74c3c;
    --color-warning: #d4a017;
    --color-warning-light: #f39c12;
    --color-info: #2980b9;
    --color-info-light: #3498db;
    
    /* ---- Typography ---- */
    --font-heading: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', Consolas, monospace;
    --font-dyslexic: 'OpenDyslexic', Georgia, sans-serif;
    
    /* Font Sizes (rem based on 62.5% = 10px) */
    --text-xs: 1.2rem;
    --text-sm: 1.4rem;
    --text-base: 1.6rem;
    --text-lg: 1.8rem;
    --text-xl: 2rem;
    --text-2xl: 2.4rem;
    --text-3xl: 3rem;
    --text-4xl: 3.6rem;
    --text-5xl: 4.8rem;
    --text-6xl: 6rem;
    
    /* Line Heights */
    --leading-tight: 1.25;
    --leading-snug: 1.375;
    --leading-normal: 1.5;
    --leading-relaxed: 1.7;
    --leading-loose: 2;
    
    /* Font Weights */
    --font-normal: 400;
    --font-medium: 500;
    --font-semibold: 600;
    --font-bold: 700;
    
    /* ---- Spacing ---- */
    --space-1: 0.4rem;
    --space-2: 0.8rem;
    --space-3: 1.2rem;
    --space-4: 1.6rem;
    --space-5: 2rem;
    --space-6: 2.4rem;
    --space-8: 3.2rem;
    --space-10: 4rem;
    --space-12: 4.8rem;
    --space-16: 6.4rem;
    --space-20: 8rem;
    --space-24: 9.6rem;
    
    /* ---- Border Radius ---- */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 24px;
    --radius-full: 9999px;
    
    /* ---- Shadows ---- */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 12px 40px rgba(0, 0, 0, 0.6);
    --shadow-gold: 0 0 20px rgba(212, 175, 55, 0.15);
    --shadow-glow: 0 0 30px rgba(212, 175, 55, 0.25);
    
    /* ---- Transitions ---- */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
    --transition-smooth: 400ms cubic-bezier(0.16, 1, 0.3, 1);
    
    /* ---- Layout ---- */
    --max-width-sm: 640px;
    --max-width-md: 768px;
    --max-width-lg: 1024px;
    --max-width-xl: 1200px;
    --max-width-2xl: 1440px;
    --header-height: 80px;
    
    /* ---- Z-Index Scale ---- */
    --z-dropdown: 100;
    --z-sticky: 500;
    --z-fixed: 1000;
    --z-modal-backdrop: 1400;
    --z-modal: 1500;
    --z-popover: 1600;
    --z-tooltip: 1700;
    --z-skip-link: 10000;
}

/* ---- Light Theme Override ---- */
[data-theme="light"],
.theme-light {
    --color-bg: #f5f1e8;
    --color-bg-elevated: #ffffff;
    --color-surface: #ffffff;
    --color-surface-hover: #fafafa;
    --color-surface-active: #f0f0f0;
    --color-border: #e0d8c8;
    --color-border-light: #d0c8b8;
    --color-text: #1a1a1a;
    --color-text-secondary: #4d4d4d;
    --color-text-muted: #666666;
    --color-text-inverse: #ffffff;
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 12px 40px rgba(0, 0, 0, 0.2);
}


/* ============================================================
   2. BASE STYLES & RESET
   ============================================================ */

*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 62.5%; /* 1rem = 10px */
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--header-height) + var(--space-6));
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-body);
    font-size: var(--text-lg);
    line-height: var(--leading-relaxed);
    color: var(--color-text);
    background-color: var(--color-bg);
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ---- Dyslexia-Friendly Mode ---- */
body.dyslexia-mode,
[data-dyslexia="true"] {
    font-family: var(--font-dyslexic);
    letter-spacing: 0.05em;
    word-spacing: 0.1em;
}


/* ============================================================
   3. TYPOGRAPHY
   ============================================================ */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: var(--font-bold);
    line-height: var(--leading-tight);
    color: var(--color-text);
    margin-bottom: var(--space-4);
}

h1 {
    font-size: clamp(var(--text-4xl), 5vw, var(--text-6xl));
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(var(--text-3xl), 4vw, var(--text-5xl));
    letter-spacing: -0.01em;
}

h3 {
    font-size: clamp(var(--text-2xl), 3vw, var(--text-4xl));
}

h4 {
    font-size: var(--text-2xl);
}

h5 {
    font-size: var(--text-xl);
}

h6 {
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
}

p {
    margin-bottom: var(--space-4);
}

p:last-child {
    margin-bottom: 0;
}

a {
    color: var(--color-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-secondary-light);
}

strong, b {
    font-weight: var(--font-semibold);
}

small {
    font-size: var(--text-sm);
}

/* Page Title (Golden heading) */
.page-title,
.scholastic-title {
    color: var(--color-secondary);
    text-align: center;
    margin-bottom: var(--space-4);
}

.page-subtitle {
    font-family: var(--font-heading);
    font-size: var(--text-xl);
    font-style: italic;
    color: var(--color-text-secondary);
    text-align: center;
    margin-bottom: var(--space-8);
}


/* ============================================================
   4. ACCESSIBILITY
   ============================================================ */

/* ---- Skip Link ---- */
.skip-link,
.skip-to-content {
    position: fixed;
    top: -100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-secondary);
    color: var(--color-text-inverse);
    padding: var(--space-3) var(--space-6);
    border-radius: 0 0 var(--radius-md) var(--radius-md);
    font-size: var(--text-base);
    font-weight: var(--font-semibold);
    z-index: var(--z-skip-link);
    transition: top var(--transition-base);
    text-decoration: none;
}

.skip-link:focus,
.skip-to-content:focus {
    top: 0;
    outline: 3px solid var(--color-secondary-light);
    outline-offset: 2px;
}

/* ---- Focus Styles ---- */
:focus {
    outline: none;
}

:focus-visible {
    outline: 3px solid var(--color-secondary);
    outline-offset: 3px;
    border-radius: var(--radius-sm);
}

:focus:not(:focus-visible) {
    outline: none;
}

/* ---- Screen Reader Only ---- */
.sr-only,
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* ---- 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;
    }
}

/* ---- High Contrast Mode Support ---- */
@media (prefers-contrast: high) {
    :root {
        --color-border: #ffffff;
        --color-text-muted: #cccccc;
    }
}


/* ============================================================
   5. LAYOUT UTILITIES
   ============================================================ */

.container {
    width: 100%;
    max-width: var(--max-width-xl);
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.container-sm { max-width: var(--max-width-sm); }
.container-md { max-width: var(--max-width-md); }
.container-lg { max-width: var(--max-width-lg); }
.container-xl { max-width: var(--max-width-xl); }
.container-2xl { max-width: var(--max-width-2xl); }

.main-content {
    flex: 1;
    padding: var(--space-8) var(--space-6);
    max-width: var(--max-width-xl);
    margin: 0 auto;
    width: 100%;
}

.section {
    padding: var(--space-16) 0;
}

.section-sm {
    padding: var(--space-10) 0;
}


/* ============================================================
   6. HEADER & NAVIGATION
   ============================================================ */

.header,
.site-header {
    position: sticky;
    top: 0;
    width: 100%;
    height: var(--header-height);
    z-index: var(--z-fixed);
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(212, 175, 55, 0.15);
}

.nav-container {
    max-width: var(--max-width-xl);
    margin: 0 auto;
    padding: 0 var(--space-6);
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.logo,
.site-logo {
    font-family: var(--font-heading);
    font-size: var(--text-2xl);
    font-weight: var(--font-bold);
    color: var(--color-secondary);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.logo img,
.site-logo img {
    height: 50px;
    width: auto;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-6);
    list-style: none;
}

.nav-links a {
    font-weight: var(--font-medium);
    font-size: var(--text-base);
    color: var(--color-text-secondary);
    padding: var(--space-2) 0;
    position: relative;
    transition: color var(--transition-fast);
}

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 0;
    background: var(--color-secondary);
    transition: width var(--transition-fast);
}

.nav-links a:hover,
.nav-links a:focus-visible {
    color: var(--color-secondary);
}

.nav-links a:hover::after,
.nav-links a:focus-visible::after {
    width: 100%;
}

.nav-links a[aria-current="page"] {
    color: var(--color-secondary);
    font-weight: var(--font-semibold);
}

/* Mobile Menu Button */
.mobile-menu-btn,
.hamburger {
    display: none;
    background: none;
    border: none;
    color: var(--color-text);
    font-size: var(--text-2xl);
    cursor: pointer;
    width: 48px;
    height: 48px;
    align-items: center;
    justify-content: center;
    padding: var(--space-2);
}

.hamburger__line {
    display: block;
    width: 26px;
    height: 3px;
    background: var(--color-text);
    border-radius: 2px;
    transition: transform var(--transition-base), opacity var(--transition-base);
}

/* Mobile Navigation */
.mobile-nav {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 10, 10, 0.97);
    z-index: calc(var(--z-fixed) + 100);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-6);
}

.mobile-nav.is-open {
    display: flex;
}

.mobile-nav a {
    color: var(--color-text);
    font-size: var(--text-2xl);
    font-weight: var(--font-semibold);
    padding: var(--space-3) var(--space-6);
    border-radius: var(--radius-md);
    transition: background var(--transition-fast), color var(--transition-fast);
}

.mobile-nav a:hover,
.mobile-nav a:focus-visible {
    background: rgba(212, 175, 55, 0.15);
    color: var(--color-secondary);
}

@media (max-width: 768px) {
    .nav-links {
        display: none !important;
    }
    
    .mobile-menu-btn,
    .hamburger {
        display: flex !important;
    }
}


/* ============================================================
   7. BUTTONS
   ============================================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    border: none;
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: var(--text-base);
    font-weight: var(--font-semibold);
    line-height: 1;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    white-space: nowrap;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Primary Button - Burgundy */
.btn-primary {
    background: var(--color-primary);
    color: white;
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover:not(:disabled) {
    background: var(--color-primary-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-primary:active:not(:disabled) {
    transform: translateY(0);
}

/* Secondary Button - Gold */
.btn-secondary {
    background: var(--color-secondary);
    color: var(--color-text-inverse);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover:not(:disabled) {
    background: var(--color-secondary-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Outline Button */
.btn-outline {
    background: transparent;
    color: var(--color-secondary);
    border: 2px solid var(--color-secondary);
}

.btn-outline:hover:not(:disabled) {
    background: var(--color-secondary);
    color: var(--color-text-inverse);
    transform: translateY(-2px);
}

/* Ghost Button */
.btn-ghost {
    background: transparent;
    color: var(--color-text-secondary);
}

.btn-ghost:hover:not(:disabled) {
    background: var(--color-surface);
    color: var(--color-text);
}

/* Back Button */
.btn-back {
    background: transparent;
    color: var(--color-secondary);
    border: 2px solid var(--color-secondary);
}

.btn-back:hover:not(:disabled) {
    background: var(--color-secondary);
    color: var(--color-text-inverse);
}

/* Success Button */
.btn-success {
    background: var(--color-success);
    color: white;
}

.btn-success:hover:not(:disabled) {
    background: var(--color-success-light);
    transform: translateY(-2px);
}

/* Error/Danger Button */
.btn-danger {
    background: var(--color-error);
    color: white;
}

.btn-danger:hover:not(:disabled) {
    background: var(--color-error-light);
    transform: translateY(-2px);
}

/* Button Sizes */
.btn-sm {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-sm);
    border-radius: var(--radius-sm);
}

.btn-lg {
    padding: var(--space-4) var(--space-8);
    font-size: var(--text-lg);
    border-radius: var(--radius-lg);
}

.btn-xl {
    padding: var(--space-5) var(--space-10);
    font-size: var(--text-xl);
    border-radius: var(--radius-lg);
}

/* Full Width Button */
.btn-block {
    width: 100%;
}

/* Button Group */
.btn-group {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
}

.btn-group-center {
    justify-content: center;
}


/* ============================================================
   8. CARDS
   ============================================================ */

.card {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
    transition: all var(--transition-base);
}

.card:hover {
    box-shadow: var(--shadow-md);
}

/* Clickable/Interactive Card */
.card-interactive {
    cursor: pointer;
}

.card-interactive:hover {
    transform: translateY(-3px);
    border-color: var(--color-secondary);
    box-shadow: var(--shadow-lg), var(--shadow-gold);
}

/* Card Header */
.card-header {
    margin-bottom: var(--space-4);
    padding-bottom: var(--space-4);
    border-bottom: 1px solid var(--color-border);
}

.card-title {
    font-family: var(--font-heading);
    font-size: var(--text-2xl);
    font-weight: var(--font-semibold);
    color: var(--color-secondary);
    margin: 0 0 var(--space-2) 0;
}

.card-subtitle {
    font-size: var(--text-base);
    color: var(--color-text-muted);
    margin: 0;
}

/* Card Body */
.card-body {
    color: var(--color-text-secondary);
}

/* Card Footer */
.card-footer {
    margin-top: var(--space-4);
    padding-top: var(--space-4);
    border-top: 1px solid var(--color-border);
}

/* Game Card (for game menus) */
.game-card {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    cursor: pointer;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-sm);
    border: 2px solid transparent;
}

.game-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg), var(--shadow-gold);
    border-color: var(--color-secondary);
}

.game-card h3 {
    color: var(--color-secondary);
    margin: 0 0 var(--space-3) 0;
    font-size: var(--text-xl);
}

.game-card p {
    margin: 0;
    color: var(--color-text-secondary);
    font-size: var(--text-base);
}

.game-card .difficulty {
    display: inline-block;
    margin-top: var(--space-3);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    background: var(--color-surface-active);
    color: var(--color-secondary);
}

/* Card Grid */
.card-grid,
.game-menu {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-6);
}


/* ============================================================
   9. TABS
   ============================================================ */

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

.tab-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    list-style: none;
    border-bottom: 2px solid var(--color-border);
    padding-bottom: var(--space-2);
}

.tab-button,
.tab-item {
    padding: var(--space-3) var(--space-5);
    background: transparent;
    border: none;
    border-radius: var(--radius-md) var(--radius-md) 0 0;
    font-family: inherit;
    font-size: var(--text-base);
    font-weight: var(--font-medium);
    color: var(--color-text-muted);
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
}

.tab-button:hover,
.tab-item:hover {
    color: var(--color-text);
    background: var(--color-surface);
}

.tab-button.active,
.tab-button[aria-selected="true"],
.tab-item.active {
    color: var(--color-secondary);
    background: var(--color-surface);
}

.tab-button.active::after,
.tab-button[aria-selected="true"]::after,
.tab-item.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--color-secondary);
    border-radius: var(--radius-full) var(--radius-full) 0 0;
}

/* Tab Panel */
.tab-panel {
    display: none;
    padding: var(--space-6);
    background: var(--color-surface);
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    border: 1px solid var(--color-border);
    border-top: none;
}

.tab-panel.active,
.tab-panel:not([hidden]) {
    display: block;
}

/* Pill Tabs (Alternative Style) */
.tabs-pill .tab-list {
    border-bottom: none;
    gap: var(--space-2);
    padding: var(--space-2);
    background: var(--color-surface);
    border-radius: var(--radius-lg);
}

.tabs-pill .tab-button {
    border-radius: var(--radius-md);
}

.tabs-pill .tab-button.active::after {
    display: none;
}

.tabs-pill .tab-button.active {
    background: var(--color-secondary);
    color: var(--color-text-inverse);
}


/* ============================================================
   10. FORMS & INPUTS
   ============================================================ */

.form-group {
    margin-bottom: var(--space-5);
}

.form-label {
    display: block;
    font-size: var(--text-base);
    font-weight: var(--font-medium);
    color: var(--color-text);
    margin-bottom: var(--space-2);
}

.form-input,
input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="search"],
textarea,
select {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    font-family: inherit;
    font-size: var(--text-lg);
    color: var(--color-text);
    background: var(--color-surface);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:hover,
input:hover,
textarea:hover,
select:hover {
    border-color: var(--color-border-light);
}

.form-input:focus,
input:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--color-secondary);
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.2);
}

.form-input::placeholder,
input::placeholder,
textarea::placeholder {
    color: var(--color-text-muted);
}

textarea {
    min-height: 120px;
    resize: vertical;
}

/* Form Help Text */
.form-help {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    margin-top: var(--space-2);
}

/* Form Error State */
.form-error {
    border-color: var(--color-error) !important;
}

.form-error-message {
    font-size: var(--text-sm);
    color: var(--color-error);
    margin-top: var(--space-2);
}


/* ============================================================
   11. STATS & SCORES
   ============================================================ */

.stats-bar,
.game-stats {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-4);
    padding: var(--space-4);
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-6);
}

.stat {
    padding: var(--space-2) var(--space-4);
    background: var(--color-surface-active);
    border-radius: var(--radius-md);
    text-align: center;
}

.stat-value {
    font-size: var(--text-2xl);
    font-weight: var(--font-bold);
    color: var(--color-secondary);
    line-height: 1;
}

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

/* Score Display */
.score-display {
    font-family: var(--font-heading);
    font-size: var(--text-4xl);
    font-weight: var(--font-bold);
    color: var(--color-secondary);
    text-align: center;
}


/* ============================================================
   12. GAME CONTAINERS
   ============================================================ */

.game-container {
    display: none;
    background: var(--color-surface);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    box-shadow: var(--shadow-lg);
}

.game-container.active {
    display: block;
}

.game-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-6);
    padding-bottom: var(--space-5);
    border-bottom: 2px solid var(--color-border);
    flex-wrap: wrap;
    gap: var(--space-4);
}

.game-header h2 {
    margin: 0;
    color: var(--color-secondary);
    font-size: var(--text-3xl);
}

/* Verse Display */
.verse-display {
    font-size: var(--text-xl);
    line-height: var(--leading-loose);
    padding: var(--space-6);
    background: var(--color-bg-elevated);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-5);
    border-left: 4px solid var(--color-secondary);
}

.verse-reference {
    font-style: italic;
    color: var(--color-text-muted);
    margin-top: var(--space-3);
    font-size: var(--text-base);
}


/* ============================================================
   13. ALERTS & FEEDBACK
   ============================================================ */

.alert {
    padding: var(--space-4) var(--space-5);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-4);
    border-left: 4px solid;
}

.alert-success {
    background: rgba(39, 174, 96, 0.15);
    border-color: var(--color-success);
    color: var(--color-success-light);
}

.alert-error {
    background: rgba(192, 57, 43, 0.15);
    border-color: var(--color-error);
    color: var(--color-error-light);
}

.alert-warning {
    background: rgba(212, 160, 23, 0.15);
    border-color: var(--color-warning);
    color: var(--color-warning-light);
}

.alert-info {
    background: rgba(41, 128, 185, 0.15);
    border-color: var(--color-info);
    color: var(--color-info-light);
}

/* Feedback Text */
.feedback {
    font-size: var(--text-lg);
    font-weight: var(--font-medium);
    padding: var(--space-3);
    border-radius: var(--radius-md);
    text-align: center;
    margin: var(--space-4) 0;
}

.feedback-correct {
    color: var(--color-success);
    background: rgba(39, 174, 96, 0.15);
}

.feedback-incorrect {
    color: var(--color-error);
    background: rgba(192, 57, 43, 0.15);
}


/* ============================================================
   14. BADGES & TAGS
   ============================================================ */

.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--space-1) var(--space-3);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    border-radius: var(--radius-full);
    background: var(--color-surface-active);
    color: var(--color-text-secondary);
}

.badge-primary {
    background: var(--color-primary);
    color: white;
}

.badge-secondary {
    background: var(--color-secondary);
    color: var(--color-text-inverse);
}

.badge-success {
    background: var(--color-success);
    color: white;
}

.badge-error {
    background: var(--color-error);
    color: white;
}


/* ============================================================
   15. PROGRESS INDICATORS
   ============================================================ */

.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--color-surface-active);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    border-radius: var(--radius-full);
    transition: width var(--transition-smooth);
}

/* Progress with Label */
.progress-wrapper {
    margin-bottom: var(--space-4);
}

.progress-label {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--space-2);
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
}


/* ============================================================
   16. LOADING STATES
   ============================================================ */

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--color-border);
    border-top-color: var(--color-secondary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.loading-overlay {
    position: absolute;
    inset: 0;
    background: rgba(10, 10, 10, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: inherit;
}


/* ============================================================
   17. FOOTER
   ============================================================ */

.footer,
.site-footer {
    background: var(--color-bg);
    border-top: 1px solid var(--color-border);
    padding: var(--space-10) var(--space-6);
    margin-top: auto;
}

.footer-content {
    max-width: var(--max-width-xl);
    margin: 0 auto;
    text-align: center;
}

.footer-text {
    color: var(--color-text-muted);
    font-size: var(--text-sm);
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: var(--space-6);
    margin-bottom: var(--space-4);
}

.footer-links a {
    color: var(--color-text-secondary);
    font-size: var(--text-sm);
}

.footer-links a:hover {
    color: var(--color-secondary);
}


/* ============================================================
   18. UTILITY CLASSES
   ============================================================ */

/* Display */
.hidden { display: none !important; }
.block { display: block; }
.inline { display: inline; }
.inline-block { display: inline-block; }
.flex { display: flex; }
.inline-flex { display: inline-flex; }
.grid { display: grid; }

/* Flexbox */
.flex-row { flex-direction: row; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-start { align-items: flex-start; }
.items-center { align-items: center; }
.items-end { align-items: flex-end; }
.justify-start { justify-content: flex-start; }
.justify-center { justify-content: center; }
.justify-end { justify-content: flex-end; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: var(--space-2); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

/* Text Alignment */
.text-left { text-align: left; }
.text-center { text-align: center; }
.text-right { text-align: right; }

/* Text Colors */
.text-primary { color: var(--color-primary); }
.text-secondary { color: var(--color-secondary); }
.text-muted { color: var(--color-text-muted); }
.text-success { color: var(--color-success); }
.text-error { color: var(--color-error); }

/* Spacing */
.m-0 { margin: 0; }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }
.p-0 { padding: 0; }
.p-4 { padding: var(--space-4); }
.p-6 { padding: var(--space-6); }
.p-8 { padding: var(--space-8); }

/* Width */
.w-full { width: 100%; }
.max-w-sm { max-width: var(--max-width-sm); }
.max-w-md { max-width: var(--max-width-md); }
.max-w-lg { max-width: var(--max-width-lg); }

/* Border Radius */
.rounded { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-full { border-radius: var(--radius-full); }


/* ============================================================
   19. RESPONSIVE BREAKPOINTS
   ============================================================ */

/* Tablet */
@media (max-width: 1024px) {
    :root {
        --header-height: 70px;
    }
    
    .section {
        padding: var(--space-12) 0;
    }
    
    h1 { font-size: var(--text-4xl); }
    h2 { font-size: var(--text-3xl); }
}

/* Mobile */
@media (max-width: 768px) {
    :root {
        --header-height: 60px;
    }
    
    body {
        font-size: var(--text-base);
    }
    
    .container {
        padding: 0 var(--space-4);
    }
    
    .main-content {
        padding: var(--space-6) var(--space-4);
    }
    
    .section {
        padding: var(--space-10) 0;
    }
    
    .card-grid,
    .game-menu {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }
    
    .game-container {
        padding: var(--space-5);
    }
    
    .game-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .stats-bar,
    .game-stats {
        flex-direction: column;
    }
    
    .btn-group {
        flex-direction: column;
    }
    
    .btn-block-mobile {
        width: 100%;
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    .tab-list {
        flex-direction: column;
    }
    
    .tab-button,
    .tab-item {
        width: 100%;
        text-align: center;
    }
}


/* ============================================================
   20. PRINT STYLES
   ============================================================ */

@media print {
    .header,
    .site-header,
    .footer,
    .site-footer,
    .btn,
    .mobile-menu-btn,
    .hamburger,
    .skip-link {
        display: none !important;
    }
    
    body {
        background: white;
        color: black;
        font-size: 12pt;
    }
    
    .card,
    .game-container {
        box-shadow: none;
        border: 1px solid #ccc;
    }
}