/* ================================================
   Punjabi Typing Tutorial - Main Styles
   Modern, Playful, Gamified Learning Experience
   ================================================ */

/* Google Font - Poppins */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700;800&display=swap');

/* AnmolLipi Punjabi Font
   Path is relative to this CSS file (/tutorial/css/),
   so ../../fonts/ reaches /punjabi/fonts/ */
@font-face {
    font-family: 'AnmolLipi';
    src: url('../../fonts/AnmolLipi.woff2') format('woff2'),
         url('../../fonts/AnmolLipi.woff') format('woff'),
         url('../../fonts/AnmolLipi.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
    font-display: swap;
}
@font-face {
    font-family: 'Asees';
    src: url('../../fonts/Asees.ttf.woff') format('woff'),
         url('../../fonts/Asees.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
    font-display: swap;
}

/* ================================================
   CSS VARIABLES - Tutorial extras only.
   Core theme vars (--nav-color, --background-color,
   --a-color, --text-color, --highlighttext-color,
   --border-color, --boxshadow-color, --beige-color)
   come from ../punjabi/css/main.css and are toggled
   by main.js for dark/light mode.
   ================================================ */
:root {
    /* Per-font accent colour (overridden by JS from FONT_CONFIG.themeColor) */
    --font-accent:      #FF595A;

    /* Gamification accent palette (fixed, not theme-dependent) */
    --accent-primary:   var(--font-accent, #FF595A);
    --accent-secondary: #4ECDC4;
    --accent-tertiary:  #6C63FF;
    --accent-gold:      #FFD93D;
    --accent-green:     #25A55F;
    --accent-orange:    #FF6C35;

    /* Gradients that USE the theme variables so they flip with mode */
    --gradient-hero:   linear-gradient(135deg, var(--nav-color) 0%, var(--background-color) 100%);
    --gradient-card:   linear-gradient(180deg, var(--nav-color) 0%, var(--background-color) 100%);
    --gradient-button: linear-gradient(135deg, #FF595A 0%, #FF8E8E 100%);
    --gradient-xp:     linear-gradient(90deg, #FFD93D 0%, #FF6C35 100%);
    --gradient-glow:   radial-gradient(circle, rgba(255,89,90,0.3) 0%, transparent 70%);

    /* Gamification tokens */
    --xp-glow:    rgba(255,217,61,0.3);
    --streak-fire: #FF6C35;
    --level-badge: #6C63FF;

    /* Spacing */
    --spacing-xs:  4px;
    --spacing-sm:  8px;
    --spacing-md:  16px;
    --spacing-lg:  24px;
    --spacing-xl:  32px;
    --spacing-xxl: 48px;

    /* Border radius */
    --radius-sm:   8px;
    --radius-md:   12px;
    --radius-lg:   20px;
    --radius-xl:   28px;
    --radius-full: 50%;

    /* Shadows use the theme boxshadow-color */
    --shadow-sm:   0 2px 8px  var(--boxshadow-color);
    --shadow-md:   0 4px 16px var(--boxshadow-color);
    --shadow-lg:   0 8px 32px var(--boxshadow-color);
    --shadow-glow: 0 0 20px   var(--xp-glow);

    /* Transitions */
    --transition-fast:   0.15s ease;
    --transition-normal: 0.3s  ease;
    --transition-slow:   0.5s  ease;

    /* Punjabi font */
    --font-punjabi: 'AnmolLipi', 'Asees', sans-serif;
}

/* ================================================
   BASE STYLES
   ================================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    min-height: 100vh;
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color 0.3s, color 0.3s;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: var(--spacing-md);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

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

a:hover {
    color: var(--accent-primary);
}

/* Punjabi text class */
.punjabi-text {
    font-family: var(--font-punjabi), 'AnmolLipi', sans-serif;
}

/* Quick start cards - clickable */
.quick-start-card {
    cursor: pointer;
    transition: all var(--transition-normal);
}

.quick-start-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-secondary) !important;
    box-shadow: var(--shadow-lg);
}

/* Section cards - clickable */
.section-card {
    cursor: pointer;
    transition: all var(--transition-normal);
}

.section-card:hover {
    transform: translateY(-3px);
}

/* ================================================
   TUTORIAL LAYOUT
   ================================================ */
.tutorial-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-lg);
}

.tutorial-layout {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: var(--spacing-lg);
    min-height: calc(100vh - 200px);
}

/* ================================================
   SIDEBAR - Lesson Selector & Stats
   ================================================ */
.tutorial-sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

/* ── Font Switcher Nav ── */
.font-switcher {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.font-switch-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 18px;
    border-radius: 50px;
    border: 2px solid var(--fscolor, rgba(255,255,255,0.15));
    background: rgba(255,255,255,0.04);
    color: var(--text-color);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 600;
    transition: background 0.2s, border-color 0.2s, transform 0.2s, box-shadow 0.2s;
    white-space: nowrap;
}

.font-switch-btn:hover {
    background: rgba(255,255,255,0.1);
    border-color: var(--fscolor, rgba(255,255,255,0.5));
    box-shadow: 0 0 14px var(--fscolor, rgba(255,255,255,0.3));
    transform: translateY(-2px);
    color: var(--text-color);
    text-decoration: none;
}

.hub-btn {
    --fscolor: rgba(255,255,255,0.35);
}

.font-switch-icon {
    font-size: 1rem;
    line-height: 1;
}

/* Profile & XP Section */
.profile-section {
    background: var(--nav-color); border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
}

.profile-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.profile-avatar {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-full);
    background: var(--gradient-button);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 800;
    color: white;
}

.profile-info h3 {
    margin-bottom: 0;
    font-size: 1.1rem;
}

.level-badge {
    display: inline-block;
    background: var(--level-badge);
    color: white;
    padding: 2px 10px;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
}

.level-title {
    color: var(--accent-gold);
    font-size: 0.85rem;
}

/* XP Progress Bar */
.xp-section {
    margin-top: var(--spacing-md);
}

.xp-label {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
    margin-bottom: var(--spacing-xs);
}

.xp-current {
    color: var(--accent-gold);
    font-weight: 600;
}

.xp-next {
    color: var(--text-color);
    opacity: 0.7;
}

.xp-bar {
    height: 12px;
    background: var(--border-color);
    border-radius: var(--radius-sm);
    overflow: hidden;
    position: relative;
}

.xp-fill {
    height: 100%;
    background: var(--gradient-xp);
    border-radius: var(--radius-sm);
    transition: width var(--transition-slow);
    position: relative;
}

.xp-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: xpShimmer 2s infinite;
}

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

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.stat-item {
    background: var(--background-color);
    border: 1px solid var(--border-color);
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    text-align: center;
}

.stat-value {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--accent-primary);
}

.stat-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    opacity: 0.7;
}

.streak-item .stat-value {
    color: var(--streak-fire);
}

/* Lesson Selector */
.lesson-selector {
    background: var(--nav-color); border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    flex: 1;
    overflow-y: auto;
    max-height: 500px;
}

.lesson-selector h4 {
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.section-group {
    margin-bottom: var(--spacing-lg);
}

.section-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: var(--background-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-sm);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.section-header:hover {
    background: var(--nav-color);
}

.section-icon {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
}

.section-icon.section-1 { background: var(--accent-primary); }
.section-icon.section-2 { background: var(--accent-secondary); }
.section-icon.section-3 { background: var(--accent-tertiary); }
.section-icon.section-4 { background: var(--accent-green); }
.section-icon.section-5 { background: var(--accent-gold); color: #333; }
.section-icon.section-6 { background: var(--accent-orange); }

.section-title {
    flex: 1;
    font-size: 0.9rem;
    font-weight: 600;
}

.section-progress {
    font-size: 0.75rem;
    opacity: 0.7;
}

.lesson-list {
    display: none;
    flex-direction: column;
    gap: var(--spacing-xs);
    padding-left: var(--spacing-lg);
}

.lesson-list.active {
    display: flex;
}

.lesson-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: var(--background-color);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    border: 2px solid var(--border-color);
}

.lesson-item:hover:not(.locked) {
    background: var(--nav-color);
    border-color: var(--accent-secondary);
}

.lesson-item.active {
    background: rgba(255, 89, 90, 0.2);
    border-color: var(--accent-primary);
}

.lesson-item.completed {
    background: rgba(37, 165, 95, 0.15);
    border-color: var(--accent-green);
}

.lesson-item.locked {
    opacity: 0.5;
    cursor: not-allowed;
}

.lesson-number {
    width: 28px;
    height: 28px;
    border-radius: var(--radius-full);
    background: var(--border-color);
    color: var(--a-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 600;
}

.lesson-item.completed .lesson-number {
    background: var(--accent-green);
}

.lesson-item.locked .lesson-number {
    background: var(--border-color);
    opacity: 0.5;
}

.lesson-name {
    flex: 1;
    font-size: 0.85rem;
}

.lesson-status {
    font-size: 1rem;
}

/* ================================================
   MAIN CONTENT AREA
   ================================================ */
.tutorial-main {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

/* Typing Area */
.typing-area {
    background: var(--nav-color); border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
}

.typing-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.lesson-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.lesson-title h2 {
    margin-bottom: 0;
}

.lesson-badge {
    background: var(--accent-secondary);
    color: white;
    padding: 4px 12px;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 600;
}

.live-stats {
    display: flex;
    gap: var(--spacing-lg);
}

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

.live-stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-primary);
}

.live-stat-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    opacity: 0.7;
}

/* Character Display */
.character-display {
    background: var(--nav-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    min-height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.character-sequence {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 4px;
    font-family: var(--font-punjabi);
    font-size: 2rem;
    line-height: 1.2;
}

.char {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 50px;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    position: relative;
}

.char.active {
    background: rgba(255, 217, 61, 0.25);
    border: 2px solid #FFD93D;
    transform: scale(1.1);
    box-shadow: 0 0 10px rgba(255, 217, 61, 0.5);
}

.char.active::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 50%;
    transform: translateX(-50%);
    width: 30px;
    height: 3px;
    background: var(--accent-primary);
    border-radius: 2px;
    animation: cursorBlink 0.8s infinite;
}

@keyframes cursorBlink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

.char.correct {
    color: #48c78e;
    background: rgba(37, 165, 95, 0.25);
}

.char.incorrect {
    color: #ff6b6b;
    background: rgba(255, 89, 90, 0.35);
    border: 2px solid rgba(255, 89, 90, 0.6);
    animation: shake 0.3s ease-in-out;
}

.char.expected {
    border: 2px dashed var(--accent-gold);
    animation: pulse 1s infinite;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(255, 217, 61, 0.4); }
    50% { box-shadow: 0 0 0 8px rgba(255, 217, 61, 0); }
}

/* Hidden Input */
.hidden-input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

/* Word/Character Counter */
.lesson-progress {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
    opacity: 0.7;
    margin-bottom: var(--spacing-md);
}

/* Visual Keyboard Container */
.keyboard-section {
    background: var(--nav-color); border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-md);
}

.keyboard-section h4 {
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

/* ================================================
   ACTION BUTTONS
   ================================================ */
.action-buttons {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-md);
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.btn-primary {
    background: var(--gradient-button);
    color: white;
    box-shadow: var(--shadow-sm);
}

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

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

.btn-secondary:hover {
    background: var(--nav-color);
}

.btn-success {
    background: var(--accent-green);
    color: white;
}

/* ================================================
   RESULTS MODAL
   ================================================ */
.results-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.75);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    animation: fadeIn 0.3s ease;
}

.results-overlay.active {
    display: flex;
}

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

.results-card {
    background: var(--nav-color); border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xxl);
    max-width: 500px;
    width: 90%;
    text-align: center;
    animation: slideUp 0.4s ease;
    position: relative;
    overflow: hidden;
}

@keyframes slideUp {
    from { transform: translateY(50px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.results-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: var(--gradient-xp);
}

.results-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
}

.results-title {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-sm);
}

.results-subtitle {
    opacity: 0.7;
    margin-bottom: var(--spacing-lg);
}

.results-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.result-stat {
    background: var(--background-color);
    border: 1px solid var(--border-color);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
}

.result-stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--accent-gold);
}

.result-stat-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    opacity: 0.7;
}

.xp-earned {
    background: rgba(255, 217, 61, 0.1);
    border: 2px solid var(--accent-gold);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.xp-earned-value {
    font-size: 2rem;
    font-weight: 800;
    color: var(--accent-gold);
}

.xp-earned-label {
    font-size: 0.85rem;
    opacity: 0.7;
}

.new-achievement {
    background: linear-gradient(135deg, var(--accent-tertiary), var(--accent-primary));
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    display: none;
}

.new-achievement.unlocked {
    display: block;
    animation: achievementPop 0.5s ease;
}

@keyframes achievementPop {
    0% { transform: scale(0); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

.achievement-badge {
    font-size: 2rem;
    margin-bottom: var(--spacing-xs);
}

.achievement-name {
    font-weight: 600;
    color: white;
}

.results-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
}

/* ================================================
   LESSON SELECTION (INDEX) PAGE
   ================================================ */
.tutorial-hero {
    background: var(--nav-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl) var(--spacing-xxl);
    margin-bottom: var(--spacing-xl);
    text-align: center;
    position: relative;
    overflow: hidden;
    transition: background-color 0.3s;
}

.tutorial-hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, var(--gradient-glow) 0%, transparent 50%);
    animation: heroGlow 10s linear infinite;
}

@keyframes heroGlow {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.tutorial-hero h1 {
    position: relative;
    font-size: 3rem;
    line-height: 1.5;
    padding-top: 0.2em;
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-gold));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tutorial-hero p {
    position: relative;
    font-size: 1.1rem;
    opacity: 0.8;
    max-width: 100%;
    margin: var(--spacing-md) 0 0 0;
    text-align: left;
}

.quick-start {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.quick-start-card {
    background: var(--nav-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-normal);
    border: 2px solid var(--border-color);
}

.quick-start-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-secondary);
    box-shadow: var(--shadow-lg);
}

.quick-start-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.quick-start-card h3 {
    margin-bottom: var(--spacing-sm);
}

.quick-start-card p {
    font-size: 0.9rem;
    opacity: 0.7;
}

/* ================================================
   RESPONSIVE DESIGN
   ================================================ */
@media (max-width: 1024px) {
    .tutorial-layout {
        grid-template-columns: 1fr;
    }

    .tutorial-sidebar {
        flex-direction: row;
        flex-wrap: wrap;
    }

    .profile-section {
        flex: 1;
        min-width: 250px;
    }

    .lesson-selector {
        max-height: 300px;
        flex: 2;
        min-width: 300px;
    }

    .keyboard-section {
        display: none;
    }
}

@media (max-width: 768px) {
    .tutorial-container {
        padding: var(--spacing-md);
    }

    .tutorial-hero h1 {
        font-size: 2rem;
        line-height: 1.5;
    }

    .character-sequence {
        font-size: 1.8rem;
    }

    .char {
        width: 35px;
        height: 45px;
    }

    .live-stats {
        gap: var(--spacing-md);
    }

    .results-stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .action-buttons {
        flex-wrap: wrap;
    }

    .btn {
        flex: 1;
        justify-content: center;
        min-width: 120px;
    }
}

@media (max-width: 480px) {
    .profile-section {
        min-width: 100%;
    }

    .stats-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .stat-item {
        padding: var(--spacing-xs);
    }

    .stat-value {
        font-size: 1rem;
    }
}

/* ================================================
   UTILITY CLASSES
   ================================================ */
.text-center { text-align: center; }
.text-gold { color: var(--accent-gold); }
.text-green { color: var(--accent-green); }
.text-primary { color: var(--accent-primary); }
.text-secondary { color: var(--accent-secondary); }

.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }

.hidden { display: none !important; }
.visible { display: block !important; }