/* ============================================
   Arabic Alphabet Lesson - CSS Styles
   Beautiful, child-friendly design for Quran learning
   ============================================ */

/* ---------- CSS Custom Properties ---------- */
:root {
    --primary: #8B5CF6;
    --primary-light: #A78BFA;
    --primary-dark: #7C3AED;
    --secondary: #EC4899;
    --secondary-light: #F472B6;
    --accent-gold: #F59E0B;
    --accent-teal: #14B8A6;
    --accent-rose: #FB7185;
    --bg-gradient-start: #FFFFFF;
    --bg-gradient-mid: #F8FAFC;
    --bg-gradient-end: #F1F5F9;
    --card-bg: rgba(255, 255, 255, 1);
    --card-bg-hover: rgba(248, 250, 252, 1);
    --card-border: rgba(226, 232, 240, 1);
    --text-primary: #1E293B;
    --text-secondary: #475569;
    --text-muted: #64748B;
    --glass-bg: rgba(255, 255, 255, 0.9);
    --glass-border: rgba(226, 232, 240, 0.8);
    --shadow-glow: 0 0 30px rgba(139, 92, 246, 0.15);
    --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.05);
    --radius-sm: 12px;
    --radius-md: 18px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    --font-arabic: 'Amiri', 'Traditional Arabic', serif;
    --font-display: 'Fredoka', 'Baloo Bhaijaan 2', sans-serif;
    --font-body: 'Baloo Bhaijaan 2', sans-serif;
}

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

html {
    scroll-behavior: smooth;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: var(--font-body);
    background: linear-gradient(135deg, var(--bg-gradient-start), var(--bg-gradient-mid), var(--bg-gradient-end));
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
    direction: ltr;
}

/* ---------- Floating Decorations ---------- */
.floating-decor {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.star {
    position: absolute;
    font-size: 1.5rem;
    animation: float-star 6s ease-in-out infinite;
    opacity: 0.5;
}

.flower {
    position: absolute;
    font-size: 1.8rem;
    animation: float-flower 8s ease-in-out infinite;
    opacity: 0.4;
}

@keyframes float-star {
    0%, 100% { transform: translateY(0) rotate(0deg); opacity: 0.3; }
    50% { transform: translateY(-20px) rotate(15deg); opacity: 0.7; }
}

@keyframes float-flower {
    0%, 100% { transform: translateY(0) rotate(0deg) scale(1); }
    33% { transform: translateY(-15px) rotate(10deg) scale(1.1); }
    66% { transform: translateY(5px) rotate(-5deg) scale(0.95); }
}

/* ---------- Header ---------- */
#main-header {
    position: relative;
    z-index: 10;
    padding: 2rem 1.5rem 1rem;
    text-align: center;
}

.header-content {
    margin-bottom: 1.5rem;
}

.header-icon {
    font-size: 3rem;
    margin-bottom: 0.3rem;
    animation: bounce-gentle 2s ease-in-out infinite;
}

@keyframes bounce-gentle {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

#page-title {
    font-family: var(--font-arabic);
    font-size: 2.8rem;
    font-weight: 700;
    background: linear-gradient(135deg, #F9A8D4, #A78BFA, #67E8F9);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.3rem;
    line-height: 1.3;
    direction: rtl;
}

.subtitle {
    font-family: var(--font-display);
    font-size: 1.15rem;
    color: var(--text-secondary);
    font-weight: 400;
    letter-spacing: 0.5px;
}

/* ---------- Mode Switcher ---------- */
.mode-switcher {
    display: flex;
    justify-content: center;
    gap: 0.6rem;
    flex-wrap: wrap;
}

.mode-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.7rem 1.4rem;
    border: 2px solid var(--glass-border);
    border-radius: 50px;
    background: var(--glass-bg);
    color: var(--text-secondary);
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.mode-btn:hover {
    background: rgba(139, 92, 246, 0.2);
    border-color: var(--primary-light);
    color: var(--text-primary);
    transform: translateY(-2px);
}

.mode-btn.active {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-color: transparent;
    color: white;
    box-shadow: 0 4px 20px rgba(139, 92, 246, 0.4);
}

.mode-icon {
    font-size: 1.2rem;
}

/* ---------- Main Content ---------- */
#main-content {
    position: relative;
    z-index: 5;
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 1.5rem 3rem;
}

.section {
    display: none;
}

.section.active {
    display: block;
    animation: fadeInUp 0.5s ease;
}

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

/* ---------- Section Header ---------- */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.section-header h2 {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--text-primary);
}

.form-select-wrapper {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.form-select-wrapper label {
    font-family: var(--font-display);
    font-size: 0.9rem;
    color: var(--text-secondary);
}

#form-filter {
    padding: 0.5rem 1rem;
    border: 2px solid var(--glass-border);
    border-radius: var(--radius-sm);
    background: var(--glass-bg);
    color: var(--text-primary);
    font-family: var(--font-display);
    font-size: 0.9rem;
    cursor: pointer;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

#form-filter option {
    background: #1E1040;
    color: white;
}

/* ---------- Letters Grid ---------- */
.letters-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
    gap: 1rem;
    direction: rtl;
}

/* ---------- Letter Card ---------- */
.letter-card {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 1.2rem 0.8rem;
    border-radius: var(--radius-md);
    background: var(--card-bg);
    border: 2px solid var(--card-border);
    cursor: pointer;
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    overflow: hidden;
    user-select: none;
    -webkit-user-select: none;
}

.letter-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: linear-gradient(135deg, transparent, rgba(255,255,255,0.05));
    opacity: 0;
    transition: opacity 0.3s;
}

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

.letter-card:hover {
    transform: translateY(-6px) scale(1.05);
    border-color: var(--primary-light);
    box-shadow: var(--shadow-glow), var(--shadow-card);
    background: var(--card-bg-hover);
}

.letter-card:active {
    transform: translateY(-2px) scale(0.97);
}

.letter-card.playing {
    animation: pulse-glow 0.6s ease;
    border-color: var(--accent-gold);
    box-shadow: 0 0 40px rgba(245, 158, 11, 0.5);
}

@keyframes pulse-glow {
    0% { transform: scale(1); }
    30% { transform: scale(1.12); }
    60% { transform: scale(0.95); }
    100% { transform: scale(1); }
}

.letter-arabic {
    font-family: var(--font-arabic);
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 0.3rem;
    color: #1E293B;
    text-shadow: none;
    transition: all 0.3s;
}

.letter-card:hover .letter-arabic {
    transform: scale(1.1);
}

/* Bold/emphatic letters get green styling */
.bold-letter .letter-arabic {
    color: #16A34A !important;
    text-shadow: 0 0 12px rgba(22, 163, 74, 0.35) !important;
}

.bold-letter:hover {
    box-shadow: 0 0 30px rgba(22, 163, 74, 0.35) !important;
    border-color: #4ADE80 !important;
}

.bold-letter.playing {
    border-color: #16A34A !important;
    box-shadow: 0 0 40px rgba(22, 163, 74, 0.5) !important;
}

.letter-name {
    font-family: var(--font-display);
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: capitalize;
    direction: ltr;
}

.letter-number {
    position: absolute;
    top: 6px;
    left: 6px;
    font-family: var(--font-display);
    font-size: 0.6rem;
    color: var(--text-muted);
    opacity: 0.5;
    direction: ltr;
}

/* Color variants for cards */
.letter-card[data-color="purple"] { --glow-color: rgba(139, 92, 246, 0.4); }
.letter-card[data-color="pink"] { --glow-color: rgba(236, 72, 153, 0.4); }
.letter-card[data-color="teal"] { --glow-color: rgba(20, 184, 166, 0.4); }
.letter-card[data-color="gold"] { --glow-color: rgba(245, 158, 11, 0.4); }
.letter-card[data-color="rose"] { --glow-color: rgba(251, 113, 133, 0.4); }

.letter-card[data-color="purple"]:hover { box-shadow: 0 0 30px rgba(139, 92, 246, 0.4); }
.letter-card[data-color="pink"]:hover { box-shadow: 0 0 30px rgba(236, 72, 153, 0.4); }
.letter-card[data-color="teal"]:hover { box-shadow: 0 0 30px rgba(20, 184, 166, 0.4); }
.letter-card[data-color="gold"]:hover { box-shadow: 0 0 30px rgba(245, 158, 11, 0.4); }
.letter-card[data-color="rose"]:hover { box-shadow: 0 0 30px rgba(251, 113, 133, 0.4); }

/* Regular (non-bold) letter colors per card variant — now all black */
.letter-card[data-color="purple"] .letter-arabic,
.letter-card[data-color="pink"] .letter-arabic,
.letter-card[data-color="teal"] .letter-arabic,
.letter-card[data-color="gold"] .letter-arabic,
.letter-card[data-color="rose"] .letter-arabic {
    color: #1E293B;
    text-shadow: none;
}

/* Bold letters stay green regardless of card color variant */
.letter-card.bold-letter[data-color="purple"] .letter-arabic,
.letter-card.bold-letter[data-color="pink"] .letter-arabic,
.letter-card.bold-letter[data-color="teal"] .letter-arabic,
.letter-card.bold-letter[data-color="gold"] .letter-arabic,
.letter-card.bold-letter[data-color="rose"] .letter-arabic {
    color: #16A34A;
    text-shadow: 0 0 12px rgba(22, 163, 74, 0.35);
}

/* ---------- Practice Section ---------- */
.practice-container {
    display: flex;
    justify-content: center;
    padding: 1rem 0;
}

.practice-card {
    width: 100%;
    max-width: 500px;
    background: var(--glass-bg);
    border: 2px solid var(--glass-border);
    border-radius: var(--radius-xl);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 2.5rem 2rem;
    text-align: center;
    box-shadow: var(--shadow-card);
}

.practice-letter-display {
    width: 160px;
    height: 160px;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.2), rgba(236, 72, 153, 0.2));
    border: 3px solid rgba(167, 139, 250, 0.3);
    box-shadow: 0 0 40px rgba(139, 92, 246, 0.2);
    cursor: pointer;
    transition: all 0.3s;
}

.practice-letter-display:hover {
    transform: scale(1.05);
    box-shadow: 0 0 60px rgba(139, 92, 246, 0.4);
}

.practice-letter-display:active {
    transform: scale(0.95);
}

.practice-letter {
    font-family: var(--font-arabic);
    font-size: 5rem;
    font-weight: 700;
    color: var(--primary);
    text-shadow: 0 0 15px rgba(139, 92, 246, 0.2);
    line-height: 1.2;
}

.practice-info {
    margin-bottom: 1.5rem;
}

.practice-name {
    font-family: var(--font-display);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.2rem;
}

.practice-transliteration {
    font-family: var(--font-display);
    font-size: 1.1rem;
    color: var(--primary-light);
    margin-bottom: 0.5rem;
}

.practice-description {
    font-family: var(--font-display);
    font-size: 0.9rem;
    color: var(--text-muted);
}

.practice-forms {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.form-badge {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 0.8rem 1.2rem;
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    cursor: pointer;
    transition: all 0.3s;
}

.form-badge:hover {
    background: rgba(139, 92, 246, 0.2);
    border-color: var(--primary-light);
    transform: translateY(-2px);
}

.form-badge-letter {
    font-family: var(--font-arabic);
    font-size: 1.8rem;
    color: var(--accent-gold);
    line-height: 1.2;
}

.form-badge-label {
    font-family: var(--font-display);
    font-size: 0.65rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ---------- Quran Word Examples ---------- */
.examples-section {
    width: 100%;
    margin: 1.2rem 0;
    text-align: center;
}

.examples-title {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.8rem;
}

.examples-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.example-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.7rem 1rem;
    background: #F8FAFC;
    border: 1px solid #E2E8F0;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.3s;
    direction: ltr;
}

.example-item:hover {
    background: rgba(139, 92, 246, 0.15);
    border-color: var(--primary-light);
    transform: translateX(4px);
}

.example-item:active {
    transform: scale(0.97);
}

.example-word {
    font-family: var(--font-arabic);
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--primary);
    text-shadow: none;
    min-width: 80px;
    text-align: right;
}

.example-details {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.1rem;
    flex: 1;
}

.example-translit {
    font-family: var(--font-display);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary-light);
}

.example-meaning {
    font-family: var(--font-display);
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* ---------- Practice Controls ---------- */
.practice-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.control-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 1.5rem;
    border: 2px solid var(--glass-border);
    border-radius: 50px;
    background: var(--glass-bg);
    color: var(--text-primary);
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.control-btn:hover {
    background: rgba(139, 92, 246, 0.2);
    border-color: var(--primary-light);
    transform: translateY(-2px);
}

.control-btn:active {
    transform: translateY(0) scale(0.95);
}

.play-btn {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-color: transparent;
    padding: 0.8rem 2rem;
    box-shadow: 0 4px 20px rgba(139, 92, 246, 0.4);
}

.play-btn:hover {
    background: linear-gradient(135deg, var(--primary-dark), var(--secondary));
    box-shadow: 0 6px 30px rgba(139, 92, 246, 0.5);
}

/* ---------- Progress Bar ---------- */
.progress-bar-container {
    position: relative;
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--secondary), var(--accent-gold));
    border-radius: 10px;
    transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    width: 3.5%;
}

.progress-text {
    position: absolute;
    right: 0;
    top: -22px;
    font-family: var(--font-display);
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* ---------- Quiz Section ---------- */
.quiz-setup-container {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    background: var(--glass-bg);
    border: 2px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: 2.5rem 2rem;
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    box-shadow: var(--shadow-card);
}

.quiz-setup-container h2 {
    font-family: var(--font-display);
    font-size: 1.8rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.quiz-setup-container p {
    font-family: var(--font-display);
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.quiz-setup-controls {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.quiz-setup-settings {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.quiz-setup-settings label {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.quiz-setup-settings select {
    padding: 0.5rem 1rem;
    border: 2px solid var(--glass-border);
    border-radius: var(--radius-sm);
    background: var(--glass-bg);
    color: var(--text-primary);
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.quiz-setup-settings select:focus {
    border-color: var(--primary);
    outline: none;
    box-shadow: 0 0 10px rgba(139, 92, 246, 0.2);
}

.setup-btn {
    padding: 0.6rem 1.2rem;
    background: white;
    border: 2px solid var(--glass-border);
    border-radius: 50px;
    cursor: pointer;
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-secondary);
    transition: all 0.3s;
}

.setup-btn:hover {
    background: rgba(139, 92, 246, 0.1);
    color: var(--primary);
    border-color: var(--primary-light);
}

.quiz-selection-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(60px, 1fr));
    gap: 0.8rem;
    margin-bottom: 2rem;
    direction: rtl;
}

.quiz-select-item {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: white;
    border: 2px solid var(--glass-border);
    border-radius: var(--radius-md);
    font-family: var(--font-arabic);
    font-size: 2rem;
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.3s;
    user-select: none;
}

.quiz-select-item.selected {
    background: rgba(139, 92, 246, 0.15);
    border-color: var(--primary);
    color: var(--primary);
    box-shadow: 0 0 15px rgba(139, 92, 246, 0.2);
}

.quiz-container {
    max-width: 550px;
    margin: 0 auto;
    text-align: center;
}

.quiz-header {
    margin-bottom: 1.5rem;
}

.quiz-score {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.5rem;
    background: var(--glass-bg);
    border: 2px solid var(--glass-border);
    border-radius: 50px;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    font-family: var(--font-display);
    font-size: 1.2rem;
}

.score-stars {
    color: var(--accent-gold);
    font-weight: 700;
}

.score-total {
    color: var(--text-muted);
}

.quiz-question {
    background: var(--glass-bg);
    border: 2px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    margin-bottom: 1.5rem;
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
}

.quiz-prompt {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1.2rem;
}

.quiz-play-btn {
    padding: 1rem 2.5rem;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border: none;
    border-radius: 50px;
    color: white;
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(139, 92, 246, 0.4);
    transition: all 0.3s;
}

.quiz-play-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(139, 92, 246, 0.5);
}

.quiz-play-btn:active {
    transform: translateY(0) scale(0.95);
}

.quiz-options {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.quiz-option {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 1.5rem 1rem;
    background: var(--glass-bg);
    border: 2px solid var(--glass-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.3s;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.quiz-option:hover {
    background: rgba(139, 92, 246, 0.15);
    border-color: var(--primary-light);
    transform: translateY(-3px);
}

.quiz-option:active {
    transform: translateY(0) scale(0.95);
}

.quiz-option.correct {
    background: rgba(16, 185, 129, 0.2) !important;
    border-color: #10B981 !important;
    box-shadow: 0 0 30px rgba(16, 185, 129, 0.3);
    animation: correct-bounce 0.5s ease;
}

.quiz-option.wrong {
    background: rgba(239, 68, 68, 0.2) !important;
    border-color: #EF4444 !important;
    box-shadow: 0 0 20px rgba(239, 68, 68, 0.3);
    animation: shake 0.4s ease;
}

@keyframes correct-bounce {
    0% { transform: scale(1); }
    40% { transform: scale(1.08); }
    100% { transform: scale(1); }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    20% { transform: translateX(-8px); }
    40% { transform: translateX(8px); }
    60% { transform: translateX(-5px); }
    80% { transform: translateX(5px); }
}

.quiz-option-letter {
    font-family: var(--font-arabic);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent-gold);
    line-height: 1.2;
}

.quiz-option-name {
    font-family: var(--font-display);
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 0.3rem;
}

.quiz-option.disabled {
    pointer-events: none;
    opacity: 0.6;
}

.quiz-feedback {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 700;
    min-height: 2rem;
    margin-bottom: 1rem;
}

.quiz-feedback.correct-feedback {
    color: #10B981;
    animation: fadeInUp 0.3s ease;
}

.quiz-feedback.wrong-feedback {
    color: #EF4444;
    animation: fadeInUp 0.3s ease;
}

.quiz-next-btn {
    padding: 0.8rem 2rem;
    background: linear-gradient(135deg, var(--accent-teal), var(--primary));
    border: none;
    border-radius: 50px;
    color: white;
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(20, 184, 166, 0.4);
    transition: all 0.3s;
}

.quiz-next-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(20, 184, 166, 0.5);
}

/* Quiz Complete */
.quiz-complete {
    max-width: 500px;
    margin: 0 auto;
    text-align: center;
    padding: 3rem 2rem;
    background: var(--glass-bg);
    border: 2px solid var(--glass-border);
    border-radius: var(--radius-xl);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.celebration {
    font-size: 4rem;
    margin-bottom: 1rem;
    animation: bounce-gentle 1s ease-in-out infinite;
}

.quiz-complete h2 {
    font-family: var(--font-display);
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 1rem;
}

.final-score {
    font-family: var(--font-display);
    font-size: 1.3rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.trophy-display {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.restart-btn {
    padding: 1rem 2.5rem;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border: none;
    border-radius: 50px;
    color: white;
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(139, 92, 246, 0.4);
    transition: all 0.3s;
}

.restart-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(139, 92, 246, 0.5);
}

/* ---------- Letter Popup ---------- */
.letter-popup {
    position: fixed;
    inset: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    animation: fadeIn 0.3s ease;
}

.letter-popup.hidden {
    display: none;
}

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

.popup-content {
    position: relative;
    width: 90%;
    max-width: 420px;
    background: #FFFFFF;
    border: 2px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: 2.5rem 2rem;
    text-align: center;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1), 0 0 40px rgba(139, 92, 246, 0.1);
    animation: popupIn 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes popupIn {
    from { transform: scale(0.8); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

.popup-close {
    position: absolute;
    top: 12px;
    right: 16px;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-secondary);
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.2s;
}

.popup-close:hover {
    background: rgba(239, 68, 68, 0.3);
    border-color: #EF4444;
    color: white;
}

.popup-letter {
    font-family: var(--font-arabic);
    font-size: 6rem;
    font-weight: 700;
    color: var(--primary);
    text-shadow: 0 0 20px rgba(139, 92, 246, 0.2);
    line-height: 1.2;
    margin-bottom: 0.5rem;
}

.popup-name {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.2rem;
}

.popup-translit {
    font-family: var(--font-display);
    font-size: 1rem;
    color: var(--primary-light);
    margin-bottom: 1.5rem;
}

.popup-forms {
    display: flex;
    justify-content: center;
    gap: 0.8rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.popup-play-btn {
    padding: 0.8rem 2rem;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border: none;
    border-radius: 50px;
    color: white;
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(139, 92, 246, 0.4);
    transition: all 0.3s;
}

.popup-play-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(139, 92, 246, 0.5);
}

/* ---------- Confetti Canvas ---------- */
#confetti-canvas {
    position: fixed;
    inset: 0;
    z-index: 200;
    pointer-events: none;
}

/* ---------- Utility ---------- */
.hidden {
    display: none !important;
}

/* ---------- Ripple Effect ---------- */
.ripple {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: scale(0);
    animation: ripple-anim 0.6s ease-out;
    pointer-events: none;
}

@keyframes ripple-anim {
    to {
        transform: scale(4);
        opacity: 0;
    }
}

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
    #page-title {
        font-size: 2rem;
    }

    .subtitle {
        font-size: 0.95rem;
    }

    .letters-grid {
        grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
        gap: 0.7rem;
    }

    .letter-arabic {
        font-size: 2.4rem;
    }

    .letter-card {
        padding: 1rem 0.6rem;
    }

    .section-header {
        flex-direction: column;
        text-align: center;
    }

    .section-header h2 {
        font-size: 1.15rem;
    }

    .practice-letter {
        font-size: 4rem;
    }

    .practice-letter-display {
        width: 130px;
        height: 130px;
    }

    .quiz-options {
        grid-template-columns: 1fr 1fr;
        gap: 0.7rem;
    }

    .quiz-option {
        padding: 1.2rem 0.8rem;
    }

    .quiz-option-letter {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    #main-header {
        padding: 1.2rem 1rem 0.8rem;
    }

    #main-content {
        padding: 0.8rem 1rem 2rem;
    }

    #page-title {
        font-size: 1.7rem;
    }

    .mode-btn {
        padding: 0.5rem 1rem;
        font-size: 0.85rem;
    }

    .letters-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 0.5rem;
    }

    .letter-card {
        padding: 0.8rem 0.4rem;
    }

    .letter-arabic {
        font-size: 2rem;
    }

    .letter-name {
        font-size: 0.65rem;
    }

    .practice-card {
        padding: 1.5rem 1rem;
    }

    .popup-content {
        padding: 2rem 1.5rem;
    }

    .popup-letter {
        font-size: 4.5rem;
    }
}

/* ---------- Scrollbar Styling ---------- */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
}

::-webkit-scrollbar-thumb {
    background: rgba(139, 92, 246, 0.4);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(139, 92, 246, 0.6);
}

/* ---------- Hide English Toggle ---------- */
.switch {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.switch .slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--glass-border);
    transition: .4s;
    border-radius: 34px;
}

.switch .slider:before {
    position: absolute;
    content: "";
    height: 16px;
    width: 16px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: .4s;
    border-radius: 50%;
}

.switch input:checked + .slider {
    background-color: var(--primary);
}

.switch input:checked + .slider:before {
    transform: translateX(20px);
}

body.hide-english .letter-name,
body.hide-english .practice-name,
body.hide-english .practice-transliteration,
body.hide-english .quiz-option-name,
body.hide-english .popup-name,
body.hide-english .popup-translit,
body.hide-english .example-translit {
    display: none !important;
}

/* ---------- Dots Game Progress ---------- */
.progress-bar-container {
    background: var(--glass-bg);
    border: 2px solid var(--glass-border);
    border-radius: 50px;
    height: 30px;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.progress-bar {
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--accent-gold));
    width: 0%;
    transition: width 0.5s ease;
    z-index: 1;
}

.progress-text {
    position: relative;
    z-index: 2;
    font-family: var(--font-display);
    font-weight: 700;
    color: var(--text-primary);
}

/* =========================================
   Live Multiplayer Cursors
   ========================================= */

.name-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(8px);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.name-modal-overlay.show {
    opacity: 1;
    pointer-events: all;
}

.name-modal-content {
    background: var(--bg-card);
    padding: 3rem;
    border-radius: var(--radius-xl);
    border: 2px solid var(--glass-border);
    box-shadow: var(--shadow-modal);
    text-align: center;
    max-width: 400px;
    width: 90%;
    transform: translateY(20px);
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

.name-modal-content h2 {
    font-family: var(--font-display);
    color: var(--primary);
    margin-bottom: 1rem;
    font-size: 2rem;
}

.name-modal-content p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

.name-modal-content input {
    width: 100%;
    padding: 1rem 1.5rem;
    font-size: 1.2rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.5);
    margin-bottom: 1.5rem;
    font-family: var(--font-display);
    text-align: center;
    outline: none;
    transition: border-color 0.2s;
}

.name-modal-content input:focus {
    border-color: var(--primary);
    background: white;
}

.name-modal-content button {
    width: 100%;
    justify-content: center;
}

#live-cursors-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9999;
    overflow: visible;
}

.live-cursor {
    position: absolute;
    top: 0;
    left: 0;
    pointer-events: none;
    transform: translate(0, 0);
    transition: transform 0.1s linear;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    z-index: 9999;
}

.cursor-pointer {
    width: 24px;
    height: 24px;
    transform-origin: top left;
    filter: drop-shadow(2px 2px 2px rgba(0,0,0,0.2));
}

.cursor-name {
    background: var(--primary);
    color: white;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 0.85rem;
    padding: 0.2rem 0.6rem;
    border-radius: 12px;
    margin-top: -4px;
    margin-left: 14px;
    white-space: nowrap;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}