/* style.css - جشنواره دانش */
:root {
    --primary-purple: #6C3FC5;
    --primary-purple-glow: rgba(108, 63, 197, 0.5);
    --primary-gold: #F5A623;
    --primary-gold-glow: rgba(245, 166, 35, 0.5);
    --dark-bg: #070512; /* کمی تاریک‌تر برای درخشش بهتر شیشه‌ها */
    --white: #FFFFFF;
    --gray-light: #F5F5F5;
    --gray-medium: #E0E0E0;
    
    /* تنظیمات حرفه‌ای افکت شیشه‌ای */
    --glass-bg: linear-gradient(135deg, rgba(30, 22, 60, 0.88), rgba(12, 9, 28, 0.72));
    --glass-border-top: rgba(255, 255, 255, 0.22);
    --glass-border-bottom: rgba(255, 255, 255, 0.08);
    --glass-shadow: 0 14px 45px rgba(0, 0, 0, 0.55), inset 0 1px 0 rgba(255, 255, 255, 0.06);
    --glass-blur: none;
    
    --shadow-sm: 0 4px 6px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 10px 25px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.4);
    --transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275); /* ارتقا به حالت فنری */
}

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

/* اضافه کردن هاله‌های نور متحرک در پس‌زمینه */
body {
    font-family: 'Manshoor', 'Inter', sans-serif;
    background-color: var(--dark-bg);
    color: var(--white);
    line-height: 1.6;
    direction: rtl;
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
    text-rendering: geometricPrecision;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

html {
    overflow-x: clip;
}

p,
li,
label,
input,
select,
textarea,
button {
    color: rgba(255, 255, 255, 0.94);
}

.glass-card,
.competition-card,
.question-item,
.points-card,
.btn-secondary,
.filter-tab,
.points-badge,
.card-badge,
.score-animation,
.challenge-modal-overlay,
.nav-links {
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
}

:where(.section-intro-new, .feature-description-new, .subtitle, .footer-bottom) {
    color: rgba(255, 255, 255, 0.88) !important;
    opacity: 1 !important;
}

.text-crisp {
    opacity: 1 !important;
    filter: none !important;
    transform: none !important;
    text-shadow: none !important;
    color: rgba(255, 255, 255, 0.98) !important;
}

.glass-card,
.competition-card,
.question-item,
.points-card {
    text-shadow: none;
}

body::before,
body::after {
    content: '';
    position: fixed;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    filter: blur(120px);
    z-index: -1;
    opacity: 0.42;
    animation: float 15s infinite alternate ease-in-out;
}

body::before {
    background: var(--primary-purple);
    top: -10%;
    left: -10%;
}

body::after {
    background: var(--primary-gold);
    bottom: -10%;
    right: -10%;
    animation-delay: -7s;
}

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

::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.2);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-purple);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-gold);
}

/* Navbar Styles */
.navbar {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-bottom: 1px solid var(--glass-border-bottom);
    box-shadow: var(--glass-shadow);
    padding: 1rem 5%;
    position: sticky;
    top: 0;
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    animation: fadeSlideDown 0.8s ease-out forwards;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: var(--font-weight-display);
    color: var(--white);
    text-decoration: none;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.logo i {
    color: var(--primary-gold);
    font-size: 2rem;
    filter: drop-shadow(0 0 10px var(--primary-gold-glow));
}

/* انیمیشن جرقه برای لوگوی SVG (در صورت استفاده از کدهای HTML قبلی) */
.logo svg circle {
    transform-origin: center;
    animation: pulseStar 2s infinite ease-in-out;
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    color: var(--gray-light);
    text-decoration: none;
    font-weight: var(--font-weight-ui);
    transition: all 0.3s ease;
    position: relative;
    padding: 0.5rem 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-gold);
    transition: width 0.3s ease;
    box-shadow: 0 0 8px var(--primary-gold);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--white);
    text-shadow: 0 0 8px rgba(255,255,255,0.5);
}

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

.points-badge {
    background: rgba(108, 63, 197, 0.3);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    padding: 0.5rem 1rem;
    border-radius: 25px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: var(--font-weight-heading);
    border: 1px solid var(--primary-gold);
    box-shadow: 0 0 15px rgba(245, 166, 35, 0.2);
    transition: var(--transition);
}

.points-badge:hover {
    transform: scale(1.05);
    box-shadow: 0 0 20px rgba(245, 166, 35, 0.4);
}

.points-badge i {
    color: var(--primary-gold);
}

/* Mobile Menu */
.menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    z-index: 1001;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--white);
    margin: 2px 0;
    transition: all 0.3s ease;
    border-radius: 3px;
}

/* Hero Section */
.hero {
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    padding: 0 5%;
}

.hero-content {
    max-width: 800px;
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    padding: 3rem;
    border-radius: 30px;
    border-top: 1px solid var(--glass-border-top);
    border-left: 1px solid var(--glass-border-top);
    border-bottom: 1px solid var(--glass-border-bottom);
    border-right: 1px solid var(--glass-border-bottom);
    box-shadow: var(--glass-shadow);
    opacity: 0;
    animation: fadeSlideUp 1s ease-out 0.2s forwards;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: var(--font-weight-display);
    margin-bottom: 1rem;
    background: linear-gradient(to right, #fff, var(--primary-gold));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 4px 6px rgba(0,0,0,0.3));
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2.5rem;
    color: var(--gray-light);
    text-shadow: 0 2px 4px rgba(0,0,0,0.5);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem 2.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: var(--font-weight-ui);
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-size: 1rem;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-gold), #d48a10);
    color: var(--dark-bg);
    box-shadow: 0 4px 15px var(--primary-gold-glow);
}

.btn-primary:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 8px 25px rgba(245, 166, 35, 0.6);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border-top);
    color: var(--white);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: var(--white);
    transform: translateY(-5px);
}

/* Glassmorphism Generic Card */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-top: 1px solid var(--glass-border-top);
    border-left: 1px solid var(--glass-border-top);
    border-bottom: 1px solid var(--glass-border-bottom);
    border-right: 1px solid var(--glass-border-bottom);
    border-radius: 20px;
    padding: 2rem;
    box-shadow: var(--glass-shadow);
    transition: var(--transition);
    opacity: 0;
    animation: fadeSlideUp 0.8s ease-out forwards;
}

.glass-card:hover {
    transform: translateY(-8px) scale(1.02);
    border-color: var(--primary-gold);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5), 0 0 20px var(--primary-gold-glow);
}

/* Features Section */
.features {
    padding: 5rem 5%;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.feature-item {
    text-align: center;
    opacity: 0;
    animation: fadeSlideUp 0.8s ease-out forwards;
}

/* تاخیر آبشاری برای ویژگی‌ها */
.feature-item:nth-child(1) { animation-delay: 0.2s; }
.feature-item:nth-child(2) { animation-delay: 0.4s; }
.feature-item:nth-child(3) { animation-delay: 0.6s; }
.feature-item:nth-child(4) { animation-delay: 0.8s; }

.feature-item i {
    font-size: 3.5rem;
    background: linear-gradient(135deg, var(--primary-gold), var(--primary-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 1.5rem;
    filter: drop-shadow(0 4px 10px rgba(0,0,0,0.3));
    transition: var(--transition);
}

.feature-item:hover i {
    transform: scale(1.1) rotate(5deg);
}

/* How It Works */
.how-it-works {
    padding: 5rem 5%;
    text-align: center;
}

.steps {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-top: 4rem;
    flex-wrap: wrap;
}

.step {
    flex: 1;
    min-width: 200px;
    position: relative;
    z-index: 1;
    opacity: 0;
    animation: fadeSlideUp 0.8s ease-out forwards;
}

.step:nth-child(1) { animation-delay: 0.3s; }
.step:nth-child(2) { animation-delay: 0.5s; }
.step:nth-child(3) { animation-delay: 0.7s; }

.step::after {
    content: '→';
    position: absolute;
    left: -35px;
    top: 25px;
    font-size: 2rem;
    color: var(--primary-gold);
    text-shadow: 0 0 10px var(--primary-gold-glow);
}

.step:last-child::after {
    display: none;
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-gold), #d48a10);
    color: var(--dark-bg);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: var(--font-weight-display);
    margin: 0 auto 1.5rem;
    box-shadow: 0 0 20px var(--primary-gold-glow);
    transition: var(--transition);
}

.step:hover .step-number {
    transform: scale(1.15) translateY(-5px);
}

/* Leaderboard */
.leaderboard {
    padding: 5rem 5%;
    position: relative;
}

.leaderboard-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.2rem;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    transition: var(--transition);
    border-radius: 10px;
    opacity: 0;
    animation: fadeSlideUp 0.6s ease-out forwards;
}

.leaderboard-item:nth-child(1) { animation-delay: 0.1s; }
.leaderboard-item:nth-child(2) { animation-delay: 0.2s; }
.leaderboard-item:nth-child(3) { animation-delay: 0.3s; }
.leaderboard-item:nth-child(4) { animation-delay: 0.4s; }
.leaderboard-item:nth-child(5) { animation-delay: 0.5s; }

.leaderboard-item:hover {
    background: rgba(255, 255, 255, 0.05);
    transform: translateX(-10px) scale(1.01);
    border-color: rgba(255, 255, 255, 0.2);
}

.leaderboard-item-current {
    background: linear-gradient(135deg, rgba(245, 166, 35, 0.15), rgba(108, 63, 197, 0.15));
    border: 1px solid rgba(245, 166, 35, 0.4);
    box-shadow: 0 0 20px rgba(245, 166, 35, 0.2);
}

.leaderboard-rank {
    width: 35px;
    height: 35px;
    background: rgba(245, 166, 35, 0.2);
    border: 1px solid var(--primary-gold);
    color: var(--primary-gold);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: var(--font-weight-heading);
    box-shadow: 0 0 10px var(--primary-gold-glow);
}

/* Competition & Shop Grid */
.competition-grid,
.shop-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2.5rem;
    padding: 2rem 5%;
}

.competition-card {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-top: 1px solid var(--glass-border-top);
    border-left: 1px solid var(--glass-border-top);
    border-bottom: 1px solid var(--glass-border-bottom);
    border-right: 1px solid var(--glass-border-bottom);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--glass-shadow);
    transition: var(--transition);
    opacity: 0;
    animation: fadeSlideUp 0.8s ease-out forwards;
}

/* تاخیر آبشاری کارت‌های شبکه */
.competition-card:nth-child(1) { animation-delay: 0.2s; }
.competition-card:nth-child(2) { animation-delay: 0.4s; }
.competition-card:nth-child(3) { animation-delay: 0.6s; }
.competition-card:nth-child(4) { animation-delay: 0.8s; }
.competition-card:nth-child(5) { animation-delay: 1.0s; }
.competition-card:nth-child(6) { animation-delay: 1.2s; }

.competition-card:hover {
    transform: translateY(-12px) scale(1.02);
    border-color: rgba(245, 166, 35, 0.4);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6), 0 0 20px var(--primary-purple-glow);
}

.card-image {
    height: 220px;
    background: linear-gradient(135deg, rgba(108, 63, 197, 0.6), rgba(245, 166, 35, 0.4));
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: rgba(255,255,255,0.5);
    overflow: hidden;
}

/* افکت نور عبوری روی تصویر هنگام هاور */
.card-image::after {
    content: '';
    position: absolute;
    top: 0; left: -100%;
    width: 50%; height: 100%;
    background: linear-gradient(to right, transparent, rgba(255,255,255,0.15), transparent);
    transform: skewX(-25deg);
    transition: 0.7s;
}

.competition-card:hover .card-image::after {
    left: 150%;
}

.card-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: rgba(245, 166, 35, 0.9);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    color: var(--dark-bg);
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: var(--font-weight-ui);
    box-shadow: 0 4px 10px rgba(0,0,0,0.3);
}

.card-content {
    padding: 1.5rem;
}

.card-title {
    font-size: 1.3rem;
    margin-bottom: 0.8rem;
    font-weight: var(--font-weight-heading);
}

.card-category {
    display: inline-block;
    background: rgba(108, 63, 197, 0.2);
    border: 1px solid rgba(108, 63, 197, 0.5);
    padding: 0.3rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    margin-bottom: 1rem;
}

.card-points {
    color: var(--primary-gold);
    font-weight: var(--font-weight-heading);
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-shadow: 0 0 10px rgba(245, 166, 35, 0.3);
}

.deadline {
    margin: 1rem 0;
    color: var(--gray-medium);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Filter Tabs */
.filter-tabs {
    display: flex;
    gap: 1rem;
    padding: 2rem 5%;
    flex-wrap: wrap;
    justify-content: center;
    opacity: 0;
    animation: fadeSlideUp 0.8s ease-out 0.2s forwards;
}

.filter-tab {
    padding: 0.6rem 1.8rem;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border-top);
    border-radius: 30px;
    cursor: pointer;
    transition: var(--transition);
    color: var(--white);
    font-weight: 500;
}

.filter-tab.active,
.filter-tab:hover {
    background: rgba(245, 166, 35, 0.2);
    border-color: var(--primary-gold);
    color: var(--primary-gold);
    box-shadow: 0 0 15px var(--primary-gold-glow);
    transform: translateY(-3px);
}

/* Points Card Profile */
.points-card {
    background: linear-gradient(135deg, rgba(108, 63, 197, 0.4), rgba(245, 166, 35, 0.3));
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid rgba(255,255,255,0.2);
    padding: 2.5rem;
    border-radius: 20px;
    margin: 2rem 5%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    box-shadow: 0 15px 35px rgba(0,0,0,0.4), inset 0 0 20px rgba(255,255,255,0.05);
    transition: var(--transition);
    opacity: 0;
    animation: fadeSlideUp 0.8s ease-out 0.3s forwards;
}

.points-card:hover {
    transform: scale(1.02);
    border-color: var(--primary-gold);
}

.points-amount {
    font-size: 3rem;
    font-weight: bold;
    color: var(--white);
    text-shadow: 0 0 20px var(--primary-gold);
}

/* Profile Section */
.profile-header {
    display: flex;
    align-items: center;
    gap: 3rem;
    padding: 3rem;
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-top: 1px solid var(--glass-border-top);
    border-left: 1px solid var(--glass-border-top);
    box-shadow: var(--glass-shadow);
    margin: 2rem 5%;
    border-radius: 25px;
    flex-wrap: wrap;
    opacity: 0;
    animation: fadeSlideUp 0.8s ease-out 0.2s forwards;
}

.profile-avatar {
    width: 140px;
    height: 140px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-purple), var(--primary-gold));
    padding: 4px; /* برای ایجاد حاشیه گرادیانت */
    position: relative;
    box-shadow: 0 0 30px rgba(108, 63, 197, 0.5);
    transition: var(--transition);
}

.profile-header:hover .profile-avatar {
    transform: rotate(10deg) scale(1.05);
}

.profile-avatar::inner {
    content: '';
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: var(--dark-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
}

.profile-stats {
    display: flex;
    gap: 3rem;
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
    transition: var(--transition);
}

.stat-item:hover {
    transform: translateY(-5px);
}

.stat-value {
    font-size: 2rem;
    font-weight: bold;
    color: var(--primary-gold);
    text-shadow: 0 0 10px rgba(245, 166, 35, 0.3);
}

.stat-label {
    color: var(--gray-medium);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Timeline */
.timeline {
    padding: 2rem 5%;
}

.leaderboard-list,
.completed-list,
.purchases-list {
    display: grid;
    gap: 1rem;
    padding: 0 5%;
}

.timeline-item {
    display: flex;
    gap: 1.5rem;
    padding: 1.5rem;
    border-right: 2px solid rgba(245, 166, 35, 0.3);
    margin-right: 1rem;
    position: relative;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.02));
    border-radius: 10px 0 0 10px;
    margin-bottom: 1rem;
    transition: var(--transition);
    opacity: 0;
    animation: fadeSlideUp 0.6s ease-out forwards;
}

.timeline-item:nth-child(1) { animation-delay: 0.2s; }
.timeline-item:nth-child(2) { animation-delay: 0.4s; }
.timeline-item:nth-child(3) { animation-delay: 0.6s; }

.timeline-item:hover {
    background: rgba(255,255,255,0.08);
    transform: translateX(-10px);
}

.timeline-item::before {
    content: '';
    width: 16px;
    height: 16px;
    background: var(--dark-bg);
    border: 3px solid var(--primary-gold);
    border-radius: 50%;
    position: absolute;
    right: -10px;
    top: 50%;
    transform: translateY(-50%);
    box-shadow: 0 0 10px var(--primary-gold);
    transition: var(--transition);
}

.timeline-item:hover::before {
    background: var(--primary-gold);
    box-shadow: 0 0 20px var(--primary-gold);
}

.timeline-date {
    min-width: 120px;
    color: var(--primary-gold);
    font-weight: bold;
}

/* Badges Grid */
.badges-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 2rem;
    padding: 2rem 5%;
}

.badge-item {
    text-align: center;
    padding: 1.5rem;
    background: rgba(255,255,255,0.03);
    border-radius: 15px;
    border: 1px solid rgba(255,255,255,0.05);
    transition: var(--transition);
    opacity: 0;
    animation: fadeSlideUp 0.6s ease-out forwards;
}

.badge-item:nth-child(1) { animation-delay: 0.1s; }
.badge-item:nth-child(2) { animation-delay: 0.2s; }
.badge-item:nth-child(3) { animation-delay: 0.3s; }
.badge-item:nth-child(4) { animation-delay: 0.4s; }

.badge-item:hover {
    transform: translateY(-10px) scale(1.05);
    background: rgba(255,255,255,0.08);
    border-color: rgba(245, 166, 35, 0.5);
    box-shadow: 0 10px 20px rgba(0,0,0,0.3);
}

.badge-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1rem;
    background: linear-gradient(135deg, rgba(245, 166, 35, 0.2), rgba(108, 63, 197, 0.2));
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    box-shadow: inset 0 0 15px rgba(255,255,255,0.05);
}

/* Quiz Section */
.quiz-section {
    padding: 2rem 5%;
}

.question-item {
    margin-bottom: 2rem;
    padding: 2rem;
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border-top);
    border-radius: 20px;
    box-shadow: var(--glass-shadow);
    opacity: 0;
    animation: fadeSlideUp 0.8s ease-out 0.2s forwards;
}

.options {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 1.5rem;
}

.option {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.5rem;
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.05);
    border-radius: 10px;
    cursor: pointer;
    transition: var(--transition);
}

.option:hover {
    background: rgba(245, 166, 35, 0.1);
    border-color: rgba(245, 166, 35, 0.3);
    transform: translateX(-5px);
}

input[type="radio"] {
    accent-color: var(--primary-gold);
    width: 18px;
    height: 18px;
}

/* Score Animation */
.score-animation {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(245, 166, 35, 0.9);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    color: var(--dark-bg);
    padding: 3rem 4rem;
    border-radius: 25px;
    font-size: 3rem;
    font-weight: bold;
    animation: scorePop 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
    z-index: 2000;
    box-shadow: 0 20px 50px rgba(0,0,0,0.5), 0 0 50px var(--primary-gold);
}

/* Learning Paths */
.challenges-hero-card {
    overflow: hidden;
}

.learning-section-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 2rem;
}

.learning-section-subtitle {
    color: var(--gray-light);
    opacity: 1;
    max-width: 700px;
}

.learning-path-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr));
    gap: 1.5rem;
}

.learning-path-card {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    padding: 1.5rem;
    border-radius: 22px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.03));
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: var(--glass-shadow);
    transition: var(--transition);
    overflow: hidden;
}

.learning-path-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(108, 63, 197, 0.12), rgba(245, 166, 35, 0.05));
    pointer-events: none;
}

.learning-path-card:hover {
    transform: translateY(-10px);
    border-color: rgba(245, 166, 35, 0.35);
    box-shadow: 0 20px 45px rgba(0, 0, 0, 0.45), 0 0 22px rgba(245, 166, 35, 0.18);
}

.learning-path-card > * {
    position: relative;
    z-index: 1;
}

.learning-path-card__top,
.learning-path-meta,
.learning-stage-list__header,
.learning-stage-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.learning-path-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.45rem 0.9rem;
    border-radius: 999px;
    color: var(--dark-bg);
    font-size: 0.9rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-gold), #d48a10);
    box-shadow: 0 0 16px rgba(245, 166, 35, 0.3);
}

.learning-path-link,
.learning-path-title a {
    text-decoration: none;
}

.learning-path-link {
    color: var(--gray-light);
    font-weight: 600;
    transition: var(--transition);
}

.learning-path-link:hover,
.learning-path-title a:hover {
    color: var(--primary-gold);
}

.learning-path-title {
    font-size: 1.4rem;
    line-height: 1.7;
    font-weight: var(--font-weight-heading);
}

.learning-path-title a {
    color: var(--white);
}

.learning-path-description {
    color: var(--gray-light);
    opacity: 0.9;
    min-height: 3.2rem;
}

.learning-path-meta {
    flex-wrap: wrap;
    padding: 0.85rem 1rem;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--gray-medium);
    font-size: 0.95rem;
}

.learning-stage-list {
    display: grid;
    gap: 0.85rem;
}

.learning-stage-list__header {
    align-items: baseline;
    color: var(--gray-light);
}

.learning-stage-list__header h4 {
    color: var(--white);
    font-size: 1rem;
    font-weight: var(--font-weight-heading);
}

.learning-stage-list__header span {
    font-size: 0.9rem;
    opacity: 0.8;
}

.learning-stage-item {
    text-decoration: none;
    color: inherit;
    padding: 0.9rem 1rem;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.07);
    transition: var(--transition);
}

.learning-stage-item:hover {
    transform: translateX(-6px);
    border-color: rgba(245, 166, 35, 0.35);
    background: rgba(245, 166, 35, 0.08);
}

.learning-stage-item__number {
    min-width: 44px;
    width: 44px;
    height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 14px;
    background: rgba(108, 63, 197, 0.18);
    color: var(--primary-gold);
    font-weight: 800;
    box-shadow: inset 0 0 0 1px rgba(108, 63, 197, 0.35);
}

.learning-stage-item__content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.learning-stage-item__content strong {
    color: var(--white);
    font-weight: var(--font-weight-heading);
}

.learning-stage-item__content small {
    color: var(--gray-medium);
    font-size: 0.85rem;
}

.learning-stage-item__arrow {
    color: var(--primary-gold);
    font-size: 0.9rem;
    font-weight: 700;
    white-space: nowrap;
}

.learning-stage-empty {
    padding: 1rem;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.04);
    color: var(--gray-medium);
    text-align: center;
}

/* Challenge Pages */
.challenge-page {
    padding-bottom: 5rem;
}

.challenge-page__hero-wrap {
    padding-top: 2.5rem;
}

.challenge-page__content {
    margin-top: 2rem;
}

.challenge-hero {
    display: grid;
    grid-template-columns: minmax(0, 1.25fr) minmax(260px, 0.75fr);
    gap: 1.5rem;
    align-items: stretch;
    overflow: hidden;
    border-radius: 28px;
}

.challenge-hero::before {
    content: '';
    position: absolute;
    inset: auto -12% 48% auto;
    width: 260px;
    height: 260px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(245, 166, 35, 0.16), transparent 70%);
    pointer-events: none;
}

.challenge-hero__content,
.challenge-hero__stats {
    position: relative;
    z-index: 1;
}

.challenge-hero__badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    padding: 0.55rem 0.95rem;
    border-radius: 999px;
    background: rgba(108, 63, 197, 0.16);
    border: 1px solid rgba(108, 63, 197, 0.28);
    color: #d8c7ff;
    font-weight: 700;
}

.challenge-hero h1 {
    margin-bottom: 0.9rem;
    font-size: clamp(2rem, 4vw, 3.2rem);
}

.challenge-hero p {
    color: var(--gray-light);
    opacity: 0.9;
    line-height: 2;
    margin: 0;
}

.challenge-hero__stats {
    display: grid;
    gap: 1rem;
}

.challenge-stat-card {
    padding: 1.25rem;
    border-radius: 22px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.challenge-stat-card span {
    display: block;
    color: var(--gray-medium);
    margin-bottom: 0.45rem;
    font-size: 0.9rem;
}

.challenge-stat-card strong {
    color: var(--white);
    font-size: 1.2rem;
}

.challenge-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr));
    gap: 1.6rem;
}

.challenge-card {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
    overflow: hidden;
    border-radius: 24px;
}

.challenge-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(108, 63, 197, 0.05), transparent 35%, rgba(245, 166, 35, 0.04));
    pointer-events: none;
}

.challenge-card > * {
    position: relative;
    z-index: 1;
}

.challenge-card__header,
.challenge-meta-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.challenge-card__media {
    width: 100%;
    aspect-ratio: 16 / 9;
    border-radius: 20px;
    overflow: hidden;
    background: linear-gradient(135deg, rgba(108, 63, 197, 0.26), rgba(245, 166, 35, 0.18));
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.challenge-card__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.challenge-card__media--placeholder {
    display: grid;
    place-items: center;
    color: rgba(255, 255, 255, 0.55);
    font-size: 3rem;
}

.challenge-card__body {
    display: grid;
    gap: 1rem;
}

.challenge-meta-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.7rem 0.95rem;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.05);
    color: var(--gray-light);
    border: 1px solid rgba(255, 255, 255, 0.06);
    font-size: 0.92rem;
}

.challenge-countdown {
    display: inline-flex;
    flex-direction: column;
    align-items: flex-start;
    min-width: 190px;
    padding: 0.8rem 0.95rem;
    border-radius: 18px;
    background: rgba(245, 166, 35, 0.1);
    border: 1px solid rgba(245, 166, 35, 0.18);
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.03);
}

.challenge-countdown__label {
    color: rgba(255, 255, 255, 0.65);
    font-size: 0.82rem;
    margin-bottom: 0.35rem;
}

.challenge-countdown__value {
    color: var(--primary-gold);
    font-size: 1rem;
    line-height: 1.7;
}

.challenge-countdown--expired {
    background: rgba(239, 68, 68, 0.12);
    border-color: rgba(239, 68, 68, 0.18);
}

.challenge-countdown--expired .challenge-countdown__value {
    color: #fda4af;
}

.challenge-actions {
    margin-top: auto;
}

.challenge-action-btn {
    width: 100%;
    justify-content: center;
}

.challenge-empty-state {
    padding: 4rem 2rem;
    text-align: center;
    border-radius: 28px;
}

.challenge-empty-state i {
    font-size: 4rem;
    color: var(--primary-gold);
    opacity: 0.55;
    margin-bottom: 1rem;
}

.challenge-empty-state p {
    color: var(--gray-light);
    margin-top: 0.75rem;
}

.challenge-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.72);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    opacity: 0;
    visibility: hidden;
    transition: 0.3s ease;
    z-index: 1500;
}

.challenge-modal {
    position: fixed;
    top: 50%;
    left: 50%;
    width: min(92vw, 520px);
    transform: translate(-50%, -44%);
    opacity: 0;
    visibility: hidden;
    padding: 2rem;
    border-radius: 28px;
    background: linear-gradient(145deg, rgba(24, 18, 42, 0.98), rgba(12, 10, 26, 0.98));
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 24px 70px rgba(0, 0, 0, 0.5);
    z-index: 1501;
    transition: 0.3s ease;
}

.challenge-modal.is-open,
.challenge-modal-overlay.is-open {
    opacity: 1;
    visibility: visible;
}

.challenge-modal.is-open {
    transform: translate(-50%, -50%);
}

.challenge-modal__icon {
    width: 72px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 20px;
    background: linear-gradient(135deg, rgba(245, 166, 35, 0.18), rgba(108, 63, 197, 0.2));
    color: var(--primary-gold);
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

.challenge-modal h3 {
    margin-bottom: 0.75rem;
}

.challenge-modal p {
    color: var(--gray-light);
    margin-bottom: 1.2rem;
    line-height: 1.9;
}

.challenge-modal__form {
    display: grid;
    gap: 1rem;
}

.challenge-file-label {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    min-height: 54px;
    border-radius: 18px;
    padding: 0.95rem 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px dashed rgba(255, 255, 255, 0.16);
    color: var(--white);
    cursor: pointer;
    transition: var(--transition);
}

.challenge-file-label:hover {
    border-color: rgba(245, 166, 35, 0.45);
    color: var(--primary-gold);
}

.challenge-file-input {
    width: 100%;
    color: var(--gray-light);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    padding: 0.85rem 1rem;
}

.challenge-modal__actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.85rem;
}

/* =========================================
   Keyframes & Animations
   ========================================= */

/* انیمیشن حرکت نرم‌تر برای پس‌زمینه */
@keyframes float {
    0% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(50px, -30px) scale(1.1); }
    100% { transform: translate(100px, 100px) scale(0.9); }
}

/* انیمیشن پاپ‌آپ امتیاز */
@keyframes scorePop {
    0% {
        transform: translate(-50%, -50%) scale(0.5);
        opacity: 0;
    }
    100% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 1;
    }
}

/* انیمیشن ورود و بالا آمدن نرم (مخصوص کارت‌ها و متن‌ها) */
@keyframes fadeSlideUp {
    0% {
        opacity: 0;
        transform: translateY(40px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

/* انیمیشن ورود نوبار از بالا */
@keyframes fadeSlideDown {
    0% {
        opacity: 0;
        transform: translateY(-20px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

/* انیمیشن تپش ستاره لوگو */
@keyframes pulseStar {
    0% {
        transform: scale(1);
        opacity: 0.8;
        filter: drop-shadow(0 0 2px var(--primary-gold));
    }
    50% {
        transform: scale(1.3);
        opacity: 1;
        filter: drop-shadow(0 0 10px var(--primary-gold)) drop-shadow(0 0 20px var(--primary-gold));
    }
    100% {
        transform: scale(1);
        opacity: 0.8;
        filter: drop-shadow(0 0 2px var(--primary-gold));
    }
}

/* =========================================
   Global Reveal Motion
   ========================================= */
html.js body.site-motion-ready .site-reveal {
    opacity: 0;
    transform: translateY(34px) scale(0.985);
    transition:
        opacity 0.8s cubic-bezier(0.22, 1, 0.36, 1),
        transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
    transition-delay: var(--reveal-delay, 0ms);
    will-change: opacity, transform;
    animation: none !important;
}

html.js body.site-motion-ready .site-reveal.site-reveal--visible {
    opacity: 1;
    transform: none;
    filter: none;
}

html.js body.site-motion-ready .site-reveal:is(
    .hero-content,
    .challenge-hero,
    .learning-hero,
    .stage-hero,
    .bazar-hero,
    .profile-header,
    .progress-hero,
    .exam-hero
) {
    transform: translateY(44px) scale(0.99);
}

html.js body.site-motion-ready .site-reveal:is(
    .glass-card,
    .challenge-card,
    .learning-path-card,
    .stage-card,
    .bazar-card,
    .progress-stage-item,
    .exam-question,
    .question-item,
    .stat-card,
    .hero-stat,
    .challenge-stat-card,
    .timeline-item,
    .badge-item,
    .leaderboard-item
) {
    transform: translateY(38px) scale(0.975);
}

@media (prefers-reduced-motion: reduce) {
    html.js body.site-motion-ready .site-reveal,
    html.js body.site-motion-ready .site-reveal.site-reveal--visible {
        opacity: 1;
        transform: none;
        filter: none;
        transition: none;
        animation: none !important;
    }
}

/* =========================================
   Responsive Design
   ========================================= */
@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }

    .menu-toggle {
        display: flex;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(11, 11, 26, 0.95);
        backdrop-filter: var(--glass-blur);
        -webkit-backdrop-filter: var(--glass-blur);
        flex-direction: column;
        padding: 2rem 1rem;
        border-bottom: 1px solid rgba(255,255,255,0.1);
        box-shadow: 0 10px 20px rgba(0,0,0,0.5);
    }

    .nav-links.active {
        display: flex;
    }

    .hero h1 {
        font-size: 2.2rem;
    }

    .hero p {
        font-size: 1rem;
    }

    .hero-content {
        padding: 2rem 1rem;
    }

    .steps {
        flex-direction: column;
        gap: 2rem;
    }

    .step::after {
        content: '↓';
        left: 50%;
        top: auto;
        bottom: -35px;
        transform: translateX(-50%);
    }

    .profile-header {
        flex-direction: column;
        text-align: center;
        gap: 1.5rem;
        padding: 2rem 1rem;
    }

    .profile-stats {
        justify-content: center;
        gap: 1.5rem;
    }

    .points-card {
        flex-direction: column;
        text-align: center;
        gap: 1.5rem;
    }

    .learning-path-grid {
        grid-template-columns: 1fr;
    }

    .competition-grid,
    .shop-grid,
    .challenge-grid {
        grid-template-columns: 1fr;
        padding-left: 1rem;
        padding-right: 1rem;
    }

    .profile-header,
    .points-card {
        margin-left: 1rem;
        margin-right: 1rem;
    }

    .learning-path-card__top,
    .learning-stage-list__header,
    .learning-stage-item {
        align-items: flex-start;
    }

    .learning-path-card__top,
    .learning-stage-list__header {
        flex-direction: column;
    }

    .learning-stage-item__arrow {
        align-self: flex-end;
    }

    .challenge-hero {
        grid-template-columns: 1fr;
    }

    .challenge-card__header,
    .challenge-meta-row,
    .challenge-actions,
    .challenge-modal__actions,
    .learning-section-header,
    .progress-bar__top,
    .progress-stage-item__header,
    .exam-question__header,
    .exam-question__actions {
        flex-direction: column;
        align-items: stretch;
    }

    .challenge-countdown,
    .challenge-meta-chip {
        min-width: 0;
        width: 100%;
    }

    .learning-stage-item {
        flex-wrap: wrap;
    }

    .learning-stage-item__arrow {
        align-self: flex-start;
    }

    .challenge-modal {
        width: min(92vw, 460px);
        padding: 1.4rem;
        max-height: calc(100dvh - 2rem);
        overflow-y: auto;
    }

    .challenge-modal__actions {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 425px) {
    .container {
        padding: 0 0.9rem;
    }

    .hero {
        min-height: auto;
        padding: 1rem 0.9rem 0;
    }

    .hero-content {
        padding: 1.5rem 0.85rem;
    }

    .hero h1 {
        font-size: 1.9rem;
        line-height: 1.3;
    }

    .hero p {
        font-size: 0.95rem;
        margin-bottom: 2rem;
    }

    .profile-header,
    .points-card {
        margin-left: 0.9rem;
        margin-right: 0.9rem;
        padding: 1.25rem;
    }

    .profile-stats {
        gap: 1rem;
        flex-wrap: wrap;
    }

    .competition-grid,
    .shop-grid,
    .challenge-grid {
        padding-left: 0.9rem;
        padding-right: 0.9rem;
    }

    .challenge-modal {
        width: min(94vw, 420px);
        padding: 1.1rem;
        border-radius: 22px;
    }

    .challenge-modal__icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }

    .exam-hero__title,
    .progress-hero__title {
        font-size: 1.75rem;
    }

    .exam-hero__subtitle,
    .progress-hero__subtitle {
        font-size: 0.95rem;
        line-height: 1.8;
    }

    .exam-hero__meta,
    .progress-hero__meta {
        grid-template-columns: 1fr;
    }

    .exam-meta-chip,
    .progress-meta-chip,
    .progress-bar {
        padding: 0.9rem 0.95rem;
    }
}

@media (max-width: 375px) {
    .container {
        padding: 0 0.8rem;
    }

    .hero h1 {
        font-size: 1.7rem;
    }

    .hero p {
        font-size: 0.92rem;
    }

    .profile-header,
    .points-card {
        margin-left: 0.8rem;
        margin-right: 0.8rem;
        padding: 1.1rem;
    }

    .challenge-modal {
        width: calc(100vw - 16px);
        max-height: calc(100dvh - 1rem);
    }
}

@media (max-width: 320px) {
    .container {
        padding: 0 0.75rem;
    }

    .hero h1 {
        font-size: 1.55rem;
    }

    .hero p {
        font-size: 0.88rem;
    }

    .profile-stats {
        gap: 0.75rem;
    }
}

/* Utilities */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 5%;
    position: relative;
    z-index: 10;
    min-width: 0;
}

.text-gold {
    color: var(--primary-gold);
    text-shadow: 0 0 5px rgba(245, 166, 35, 0.5);
}

.text-purple {
    color: var(--primary-purple);
}

.mt-5 { margin-top: 3rem; }
.mb-5 { margin-bottom: 3rem; }
.p-3 { padding: 1rem; }

.exam-page {
    padding: 2rem 0 4rem;
}

.exam-hero {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 2rem;
}

.exam-hero__title {
    margin: 0 0 0.75rem;
    font-size: 2.1rem;
    line-height: 1.35;
}

.exam-hero__subtitle {
    margin: 0;
    color: var(--gray-light);
    line-height: 1.9;
}

.exam-hero__meta {
    display: grid;
    gap: 0.8rem;
    min-width: 260px;
}

.exam-meta-chip {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 16px;
    padding: 0.9rem 1rem;
}

.exam-meta-chip__label {
    display: block;
    font-size: 0.9rem;
    color: var(--gray-light);
    margin-bottom: 0.35rem;
}

.exam-meta-chip__value {
    display: block;
    font-size: 1.05rem;
    color: var(--white);
}

.exam-questions {
    margin-top: 1.5rem;
    display: grid;
    gap: 1.2rem;
}

.exam-question {
    padding: 1.6rem;
}

.exam-question__header {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.2rem;
}

.exam-question__number {
    width: 44px;
    height: 44px;
    flex: 0 0 44px;
    display: grid;
    place-items: center;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--primary-gold), #d48a10);
    color: var(--dark-bg);
    font-weight: var(--font-weight-display);
    box-shadow: 0 8px 18px rgba(245, 166, 35, 0.25);
}

.exam-question__text {
    margin: 0;
    font-size: 1.15rem;
    line-height: 1.9;
}

.exam-options {
    display: grid;
    gap: 0.75rem;
}

.exam-option {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.95rem 1rem;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.12);
    cursor: pointer;
    transition: var(--transition);
}

.exam-option:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(245, 166, 35, 0.45);
}

.exam-option__input {
    width: 18px;
    height: 18px;
    margin-top: 2px;
    accent-color: var(--primary-gold);
}

.exam-option__text {
    line-height: 1.9;
    color: var(--white);
}

.exam-textarea {
    width: 100%;
    min-height: 120px;
    padding: 1rem 1.1rem;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: var(--white);
    font-size: 1rem;
    line-height: 1.9;
    resize: vertical;
    outline: none;
    transition: var(--transition);
}

.exam-textarea:focus {
    border-color: rgba(245, 166, 35, 0.7);
    box-shadow: 0 0 0 3px rgba(245, 166, 35, 0.12);
}

.exam-question__actions {
    margin-top: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.exam-save-btn {
    padding: 0.85rem 1.6rem;
}

.exam-saved-indicator {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: rgba(180, 255, 210, 0.95);
    font-weight: var(--font-weight-heading);
}

.exam-finish {
    margin-top: 1.6rem;
    display: flex;
    justify-content: center;
}

.exam-finish-btn {
    padding: 1.05rem 2.8rem;
}

.messages {
    list-style: none;
    padding: 0;
    margin: 1rem 0 0;
    display: grid;
    gap: 0.75rem;
}

.messages li {
    padding: 0.95rem 1.1rem;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(255, 255, 255, 0.04);
    line-height: 1.9;
}

.messages li.success {
    border-color: rgba(55, 210, 140, 0.45);
    background: rgba(55, 210, 140, 0.12);
}

.messages li.error {
    border-color: rgba(255, 90, 90, 0.45);
    background: rgba(255, 90, 90, 0.12);
}

.messages li.warning {
    border-color: rgba(245, 166, 35, 0.45);
    background: rgba(245, 166, 35, 0.12);
}

@media (max-width: 900px) {
    .exam-hero {
        flex-direction: column;
    }

    .exam-hero__meta {
        width: 100%;
        min-width: 0;
        grid-template-columns: 1fr;
    }

    .exam-question__number {
        align-self: flex-start;
    }
}

.progress-page {
    padding: 2rem 0 4rem;
}

.progress-hero {
    padding: 2rem;
    display: grid;
    gap: 1.5rem;
}

.progress-hero__title {
    margin: 0 0 0.35rem;
    font-size: 2.1rem;
    line-height: 1.35;
}

.progress-hero__subtitle {
    margin: 0;
    color: var(--gray-light);
    line-height: 1.9;
    font-size: 1.05rem;
}

.progress-hero__meta {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 0.9rem;
}

.progress-meta-chip {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 16px;
    padding: 0.95rem 1.1rem;
}

.progress-meta-chip__label {
    display: block;
    font-size: 0.9rem;
    color: var(--gray-light);
    margin-bottom: 0.35rem;
}

.progress-meta-chip__value {
    display: block;
    color: var(--white);
    font-size: 1.05rem;
}

.progress-bar {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 18px;
    padding: 1rem 1.1rem;
}

.progress-bar__top {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 0.75rem;
}

.progress-bar__label {
    color: var(--gray-light);
    font-size: 0.95rem;
}

.progress-bar__value {
    color: var(--white);
    font-size: 1.05rem;
}

.progress-bar__track {
    width: 100%;
    height: 12px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.08);
    overflow: hidden;
}

.progress-bar__fill {
    height: 100%;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--primary-gold), #d48a10);
    box-shadow: 0 10px 24px rgba(245, 166, 35, 0.18);
    min-width: 6px;
}

.progress-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 0.9rem;
}

.progress-stat {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 16px;
    padding: 1rem 1.1rem;
}

.progress-stat__label {
    display: block;
    color: var(--gray-light);
    font-size: 0.95rem;
    margin-bottom: 0.35rem;
}

.progress-stat__value {
    display: block;
    color: var(--white);
    font-size: 1.25rem;
    font-weight: 900;
}

.progress-stages {
    margin-top: 1.6rem;
}

.progress-section-title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.progress-section-title h2 {
    margin: 0;
}

.progress-stage-list {
    display: grid;
    gap: 1rem;
}

.progress-stage-item {
    padding: 1.5rem;
}

.progress-stage-item__header {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    justify-content: space-between;
}

.progress-stage-item__number {
    width: 44px;
    height: 44px;
    flex: 0 0 44px;
    display: grid;
    place-items: center;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.14);
    color: var(--white);
    font-weight: 900;
}

.progress-stage-item__info {
    flex: 1;
    min-width: 0;
}

.progress-stage-item__title {
    margin: 0;
    font-size: 1.1rem;
    line-height: 1.8;
}

.progress-stage-item__link {
    color: var(--white);
    text-decoration: none;
}

.progress-stage-item__link:hover {
    color: var(--primary-gold);
}

.progress-stage-item__meta {
    margin-top: 0.65rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
}

.progress-status-chip,
.progress-score-chip {
    display: inline-flex;
    align-items: center;
    padding: 0.45rem 0.75rem;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(255, 255, 255, 0.04);
    font-weight: 800;
    font-size: 0.9rem;
}

.progress-status-chip.status-passed {
    border-color: rgba(55, 210, 140, 0.45);
    background: rgba(55, 210, 140, 0.12);
}

.progress-status-chip.status-in_study,
.progress-status-chip.status-ready_for_exam {
    border-color: rgba(245, 166, 35, 0.45);
    background: rgba(245, 166, 35, 0.12);
}

.progress-status-chip.status-failed_previously {
    border-color: rgba(255, 90, 90, 0.45);
    background: rgba(255, 90, 90, 0.12);
}

.progress-status-chip.status-locked {
    opacity: 0.7;
}

.progress-stage-item__actions {
    margin-top: 1rem;
    display: flex;
    justify-content: flex-end;
}

.progress-stage-btn {
    padding: 0.85rem 1.6rem;
}

.progress-locked-note {
    color: var(--gray-light);
    font-weight: 800;
}

.progress-empty {
    padding: 1.8rem;
}

@media (max-width: 720px) {
    .progress-hero,
    .progress-stage-item,
    .exam-question,
    .question-item {
        padding: 1.15rem;
    }

    .progress-stage-item__header {
        flex-direction: column;
    }

    .progress-stage-item__actions {
        justify-content: stretch;
    }

    .progress-stage-btn {
        width: 100%;
    }

    .progress-stage-item__number {
        margin-bottom: 0.25rem;
    }
}