/* --- DESIGN SYSTEM & VARIABLES --- */
:root {
    --bg-dark: #04101e;
    --bg-card: rgba(8, 22, 54, 0.78);
    --border-color: rgba(0, 180, 230, 0.12);
    --border-highlight: rgba(0, 212, 255, 0.4);
    
    --primary-color: #1e90d4;
    --primary-gradient: linear-gradient(135deg, #0d2a6b 0%, #1a6bbf 100%);
    --accent-color: #00d4ff;
    --accent-gradient: linear-gradient(135deg, #0077a8 0%, #00d4ff 100%);
    --secondary-gradient: linear-gradient(135deg, #0a1f4e 0%, #1565c0 100%);
    
    --text-primary: #ffffff;
    --text-secondary: #90caf9;
    --text-accent: #80deea;
    
    --success-color: #66bb6a;
    --warning-color: #fdd835;
    --danger-color: #ef5350;
    
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --glow-shadow: 0 0 20px rgba(0, 180, 230, 0.35);
}

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

html {
    overflow-x: hidden;
    max-width: 100%;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-primary);
    font-family: var(--font-sans);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    position: relative;
}

/* --- GLOWING BACKGROUND DECORATIONS --- */
.bg-glow {
    position: fixed;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.15;
    z-index: -1;
    pointer-events: none;
}

.bg-glow-1 {
    background: #0d2a6b;
    top: -100px;
    left: -100px;
    opacity: 0.3;
}

.bg-glow-2 {
    background: #0077a8;
    bottom: -100px;
    right: -100px;
    opacity: 0.2;
}

/* --- HEADER STYLES --- */
.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 8%;
    background: rgba(10, 15, 29, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.4rem;
    font-weight: 800;
    letter-spacing: 1px;
}

.header-icon {
    color: #00d4ff;
    filter: drop-shadow(0 0 6px rgba(0, 212, 255, 0.5));
}

.accent-text {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-menu {
    display: flex;
    gap: 30px;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition-smooth);
    padding: 8px 16px;
    border-radius: 20px;
    border: 1px solid transparent;
}

.nav-link:hover, .nav-link.active {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.1);
}

.nav-link.active {
    background: rgba(0, 150, 210, 0.15);
    border-color: rgba(0, 212, 255, 0.45);
    color: #80deea;
}

/* --- MAIN LAYOUT & COMMON CARD STYLES --- */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 40px 8%;
    width: 100%;
}

.view-section {
    display: none;
    width: 100%;
    max-width: 1000px;
    animation: fadeIn 0.4s ease-out forwards;
}

.view-section.active {
    display: block;
}

.glass-card {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 35px;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    transition: var(--transition-smooth);
}

.glass-card:hover {
    border-color: var(--border-highlight);
}

/* --- BUTTONS --- */
.btn {
    font-family: var(--font-sans);
    font-weight: 600;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: var(--transition-smooth);
}

.btn-primary {
    background: var(--primary-gradient);
    color: var(--text-primary);
    box-shadow: 0 4px 15px rgba(13, 42, 107, 0.6);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 22px rgba(0, 180, 230, 0.5);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.18);
}

.btn-success {
    background: linear-gradient(135deg, #2e7d32 0%, #66bb6a 100%);
    color: #ffffff;
}

.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(102, 187, 106, 0.4);
}

.btn-danger {
    background: linear-gradient(135deg, #d50000 0%, #ff1744 100%);
    color: var(--text-primary);
}

.btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(255, 23, 68, 0.4);
}

.btn-large {
    padding: 16px 32px;
    font-size: 1.1rem;
    border-radius: 30px;
}

.btn-small {
    padding: 8px 16px;
    font-size: 0.85rem;
}

.btn-block {
    width: 100%;
    padding: 14px;
}

/* --- HOME VIEW SPECIFIC STYLES --- */
.hero-card {
    text-align: center;
    background: linear-gradient(180deg, rgba(8, 22, 54, 0.85) 0%, rgba(4, 14, 34, 0.97) 100%);
    border: 1px solid rgba(0, 180, 230, 0.15);
    border-radius: 20px;
    padding: 35px 40px 50px;
    backdrop-filter: blur(16px);
    margin-bottom: 40px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(0, 212, 255, 0.04);
}

.hero-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 15px;
    letter-spacing: 1px;
    line-height: 1.2;
    background: linear-gradient(to right, #ffffff 20%, #80deea 60%, #00d4ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
    max-width: 700px;
    margin: 0 auto 40px;
}

.countdown-container {
    background: rgba(8, 28, 70, 0.4);
    border: 1px solid rgba(0, 180, 230, 0.22);
    border-radius: 12px;
    padding: 20px;
    max-width: 500px;
    margin: 0 auto 30px;
    box-shadow: 0 4px 20px rgba(0, 150, 210, 0.1);
}

.countdown-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 15px;
}

.countdown-timer {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.time-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 70px;
}

.time-box span:first-child {
    font-size: 2.2rem;
    font-weight: 800;
    color: #00d4ff;
    text-shadow: 0 0 16px rgba(0, 212, 255, 0.55);
}

.time-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    width: 100%;
}

.info-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-top: 3px solid rgba(0, 180, 230, 0.5);
    border-radius: 12px;
    padding: 25px;
    text-align: center;
    backdrop-filter: blur(10px);
    transition: var(--transition-smooth);
}

.info-card:hover {
    border-top-color: #00d4ff;
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0, 150, 210, 0.2);
}

.info-icon {
    font-size: 2rem;
    color: #00d4ff;
    margin-bottom: 15px;
    filter: drop-shadow(0 0 6px rgba(0, 212, 255, 0.45));
}

.info-card h3 {
    margin-bottom: 10px;
    font-weight: 700;
}

.info-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* --- FORMS (LOGIN) --- */
.form-container {
    max-width: 480px;
    width: 100%;
    margin: 40px auto;
}

.form-header {
    text-align: center;
    margin-bottom: 30px;
}

.form-header h2 {
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 5px;
}

.form-header p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
    font-weight: 500;
}

.form-group input, .form-group textarea, .form-group select {
    width: 100%;
    padding: 12px 16px;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 0.95rem;
    transition: var(--transition-smooth);
}

.form-group select {
    color-scheme: dark;
    cursor: pointer;
}

.form-group select option {
    background: #121829 !important;
    background-color: #121829 !important;
    color: #ffffff !important;
}

.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
    outline: none;
    border-color: rgba(0, 180, 230, 0.7);
    box-shadow: 0 0 10px rgba(0, 180, 230, 0.2);
    background: rgba(0, 0, 0, 0.3);
}

.alert-box {
    margin-top: 25px;
    padding: 15px;
    border-radius: 8px;
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 0.9rem;
}

.alert-info {
    background: rgba(0, 150, 210, 0.08);
    border: 1px solid rgba(0, 180, 230, 0.22);
    color: #b3e5fc;
}

.alert-icon {
    font-size: 1.2rem;
    color: #80deea;
    margin-top: 2px;
}

/* --- QUIZ LAYOUT --- */
.quiz-layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 30px;
    width: 100%;
}

.quiz-main {
    display: flex;
    flex-direction: column;
}

.quiz-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.quiz-badge {
    background: rgba(0, 150, 210, 0.14);
    color: #80deea;
    padding: 6px 12px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    border: 1px solid rgba(0, 180, 230, 0.35);
}

.quiz-timer {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--warning-color);
    display: flex;
    align-items: center;
    gap: 8px;
}

#quiz-countdown {
    min-width: 55px;
    display: inline-block;
}

.progress-bar-container {
    width: 100%;
    height: 6px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 3px;
    margin-bottom: 30px;
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, #0d2a6b 0%, #1a6bbf 60%, #00d4ff 100%);
    width: 0%;
    transition: width 0.3s ease;
}

.question-container {
    flex: 1;
    margin-bottom: 40px;
}

.question-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 25px;
    line-height: 1.4;
}

.options-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.option-item {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 16px 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 15px;
    transition: var(--transition-smooth);
}

.option-item:hover {
    background: rgba(0, 150, 210, 0.07);
    border-color: rgba(0, 180, 230, 0.35);
    transform: translateX(3px);
}

.option-item.selected {
    background: rgba(0, 150, 210, 0.12);
    border-color: #1e90d4;
}

.option-marker {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 1.5px solid var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    font-weight: 700;
    transition: var(--transition-smooth);
    flex-shrink: 0;
}

.option-item.selected .option-marker {
    background: #1e90d4;
    border-color: #00d4ff;
    color: #ffffff;
    box-shadow: 0 0 10px rgba(0, 180, 230, 0.55);
}

.quiz-navigation {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--border-color);
    padding-top: 25px;
}

/* SIDEBAR: QUESTION GRID */
.quiz-sidebar h3 {
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.sidebar-help {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.question-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 10px;
    margin-bottom: 25px;
}

.grid-btn {
    aspect-ratio: 1;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition-smooth);
    display: flex;
    align-items: center;
    justify-content: center;
}

.grid-btn:hover {
    border-color: rgba(0, 180, 230, 0.5);
    color: var(--text-primary);
    background: rgba(0, 150, 210, 0.07);
}

.grid-btn.active {
    border-color: #1e90d4;
    background: rgba(0, 150, 210, 0.18);
    color: #80deea;
    box-shadow: 0 0 10px rgba(0, 180, 230, 0.35);
}

.grid-btn.answered {
    background: rgba(102, 187, 106, 0.12);
    border-color: var(--success-color);
    color: var(--success-color);
}

.grid-legend {
    display: flex;
    flex-direction: column;
    gap: 8px;
    border-top: 1px solid var(--border-color);
    padding-top: 15px;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 8px;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    display: inline-block;
}

.dot.answered { background: var(--success-color); }
.dot.unanswered { background: rgba(255, 255, 255, 0.18); }
.dot.active { background: #1e90d4; }

/* --- LEADERBOARD & TABLES --- */
.leaderboard-container {
    width: 100%;
}

.leaderboard-header {
    text-align: center;
    margin-bottom: 35px;
}

.leaderboard-header h2 {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.golden-trophy {
    color: var(--warning-color);
    filter: drop-shadow(0 0 10px rgba(255, 214, 0, 0.4));
}

.table-responsive {
    overflow-x: auto;
    width: 100%;
}

.app-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

.app-table th {
    padding: 16px 20px;
    font-weight: 700;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    border-bottom: 2px solid var(--border-color);
}

.app-table td {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.95rem;
}

.app-table tbody tr {
    transition: var(--transition-smooth);
}

.app-table tbody tr:hover {
    background: rgba(255, 255, 255, 0.02);
}

/* Rank Medals */
.rank-badge {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 0.85rem;
}

.rank-1 {
    background: linear-gradient(135deg, #ffd700 0%, #ffa000 100%);
    color: #4a3b00;
    box-shadow: 0 0 10px rgba(255, 215, 0, 0.5);
}

.rank-2 {
    background: linear-gradient(135deg, #e0e0e0 0%, #9e9e9e 100%);
    color: #212121;
    box-shadow: 0 0 10px rgba(224, 224, 224, 0.5);
}

.rank-3 {
    background: linear-gradient(135deg, #cd7f32 0%, #8c5016 100%);
    color: #fff;
    box-shadow: 0 0 10px rgba(205, 127, 50, 0.5);
}

.text-center {
    text-align: center !important;
}

/* --- ADMIN VIEW & DASHBOARD --- */
.admin-dashboard-container {
    width: 100%;
}

.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 20px;
    margin-bottom: 25px;
}

.admin-tabs {
    display: flex;
    gap: 15px;
    margin-bottom: 30px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 10px;
}

.tab-link {
    background: none;
    border: none;
    color: var(--text-secondary);
    padding: 10px 20px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    border-radius: 8px;
    transition: var(--transition-smooth);
    display: flex;
    align-items: center;
    gap: 8px;
}

.tab-link:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

.tab-link.active {
    color: #80deea;
    background: rgba(0, 150, 210, 0.12);
    box-shadow: 0 0 10px rgba(0, 180, 230, 0.18);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.tab-header {
    margin-bottom: 25px;
}

.tab-header h3 {
    font-size: 1.3rem;
    margin-bottom: 5px;
}

.tab-header p {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

/* Modal Overlay styling */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 15, 29, 0.8);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-content {
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
}

.option-input-group {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 15px;
    border-top: 1px solid var(--border-color);
    padding-top: 20px;
    margin-top: 25px;
}

/* Admin Questions list */
.questions-list-admin {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.admin-question-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 20px;
    transition: var(--transition-smooth);
}

.admin-question-card:hover {
    border-color: rgba(255, 255, 255, 0.15);
}

.admin-q-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 15px;
    gap: 20px;
}

.admin-q-text {
    font-weight: 700;
    font-size: 1.05rem;
}

.admin-q-actions {
    display: flex;
    gap: 10px;
    flex-shrink: 0;
}

.admin-q-options {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.admin-opt-item {
    font-size: 0.85rem;
    color: var(--text-secondary);
    background: rgba(0, 0, 0, 0.1);
    padding: 8px 12px;
    border-radius: 6px;
    border: 1px solid transparent;
}

.admin-opt-item.correct {
    border-color: rgba(0, 230, 118, 0.3);
    color: var(--success-color);
    background: rgba(0, 230, 118, 0.05);
    font-weight: 600;
}

/* --- FULL VIEWPORT BANNERS --- */
.site-header-banner {
    background-image: url('/assets/header_banner.jpg');
    background-size: 100% 100%;
    background-position: center;
    background-repeat: no-repeat;
    width: 100vw;
    max-width: 100%;
    overflow: hidden;
    aspect-ratio: unset;
    height: clamp(70px, 12vw, 160px);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 5px 5%;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
    border-bottom: 1.5px solid rgba(255, 255, 255, 0.1);
    z-index: 10;
}

.banner-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 2;
}

.banner-title {
    font-size: clamp(9px, 1.8vw, 26px);
    font-weight: 800;
    color: #00e5ff;
    text-shadow: 0 0 12px rgba(0, 229, 255, 0.7);
    letter-spacing: 0.5px;
    margin-bottom: 0.3vw;
    text-transform: uppercase;
    line-height: 1.2;
}

.banner-subtitle {
    font-size: clamp(7px, 1.3vw, 18px);
    font-weight: 700;
    color: #ffffff;
    letter-spacing: 2px;
    text-shadow: 0 2px 5px rgba(0, 0, 0, 0.6);
    text-transform: uppercase;
}

.site-footer-banner {
    background-image: url('/assets/footer_banner.jpg');
    background-size: 100% 100%;
    background-position: center;
    background-repeat: no-repeat;
    width: 100vw;
    max-width: 100%;
    overflow: hidden;
    margin-top: 40px;
    padding: 35px clamp(20px, 8vw, 120px);
    color: #ffffff;
    position: relative;
    border-top: 1.5px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 -4px 15px rgba(0, 0, 0, 0.3);
}

.footer-banner-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    z-index: 2;
}

.footer-banner-title {
    font-size: clamp(12px, 1.5vw, 22px);
    font-weight: 800;
    color: #ffffff;
    text-align: center;
    margin-bottom: 25px;
    text-transform: uppercase;
    border-bottom: 1.5px solid rgba(255, 255, 255, 0.25);
    padding-bottom: 10px;
    width: 75%;
    letter-spacing: 0.5px;
}

.footer-info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    width: 75%;
    margin-bottom: 25px;
}

.footer-info-col h3 {
    font-size: clamp(10px, 1.0vw, 14px);
    color: #ffd700;
    margin-bottom: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-info-col p {
    font-size: clamp(8px, 0.85vw, 13px);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
    line-height: 1.4;
}

.footer-info-col p i {
    color: #ffd700;
    width: 16px;
    flex-shrink: 0;
}

.footer-copyright {
    font-size: clamp(8px, 0.8vw, 11px);
    color: rgba(255, 255, 255, 0.6);
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    padding-top: 15px;
    width: 75%;
    text-align: center;
}

@media (max-width: 768px) {
    .footer-info-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        width: 100%;
    }
    .footer-banner-title {
        width: 100%;
    }
    .footer-copyright {
        width: 100%;
    }
}

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

/* --- KEYFRAMES --- */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse-red {
    0%, 100% {
        box-shadow: 0 4px 15px rgba(183, 28, 28, 0.4);
    }
    50% {
        box-shadow: 0 4px 30px rgba(239, 83, 80, 0.7), 0 0 0 6px rgba(239, 83, 80, 0.12);
    }
}

/* --- RESPONSIVENESS --- */
@media (max-width: 900px) {
    .quiz-layout {
        grid-template-columns: 1fr;
    }
    .quiz-sidebar {
        order: -1;
    }
    .question-grid {
        grid-template-columns: repeat(10, 1fr);
    }
}

@media (max-width: 600px) {
    .app-header {
        flex-direction: column;
        gap: 15px;
        padding: 15px 5%;
    }
    .nav-menu {
        gap: 15px;
    }
    .hero-title {
        font-size: 1.8rem;
    }
    .countdown-timer {
        gap: 10px;
    }
    .time-box {
        min-width: 50px;
    }
    .time-box span:first-child {
        font-size: 1.5rem;
    }
    .option-input-group {
        grid-template-columns: 1fr;
    }
    .admin-q-options {
        grid-template-columns: 1fr;
    }
    .question-grid {
        grid-template-columns: repeat(5, 1fr);
    }
}

/* --- REGISTRATION FORM ENHANCEMENTS --- */
#login-view .form-container {
    max-width: 850px;
    width: 100%;
}

.sub-header-contest {
    font-size: 0.8rem;
    letter-spacing: 1.5px;
    color: #ef9a9a;
    font-weight: 700;
    display: block;
    margin-bottom: 8px;
    text-transform: uppercase;
}

.form-section-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: #ef9a9a;
    letter-spacing: 0.5px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
    border-bottom: 1px solid rgba(229, 57, 53, 0.15);
    padding-bottom: 8px;
}

.info-icon-badge {
    background: rgba(229, 57, 53, 0.1);
    width: 24px;
    height: 24px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    color: #ef9a9a;
}

.form-grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.form-grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.input-with-icon {
    position: relative;
    width: 100%;
}

.input-with-icon i {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
    font-size: 0.95rem;
    pointer-events: none;
}

.input-with-icon input, .input-with-icon select {
    padding-left: 40px !important;
}

/* responsive details for grids */
@media (max-width: 768px) {
    .form-grid-3, .form-grid-2 {
        grid-template-columns: 1fr;
        gap: 10px;
    }
}

/* --- STATIC PAGE VIEWING & RICH TEXT --- */
.page-content-card {
    width: 100%;
    margin-bottom: 30px;
}

.page-content-title {
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 25px;
    background: linear-gradient(135deg, #ffffff 30%, #ef5350 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    border-bottom: 2px solid rgba(229, 57, 53, 0.2);
    padding-bottom: 15px;
}

.page-content-body {
    font-size: 1.05rem;
    line-height: 1.8;
}

.page-content-body img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin: 15px 0;
    box-shadow: 0 4px 15px rgba(0,0,0,0.5);
}

/* --- ADMIN PAGE MANAGER LAYOUT --- */
.page-manager-layout {
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: 30px;
    margin-top: 20px;
}

.page-selector-sidebar {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.page-sel-btn {
    text-align: left;
    padding: 12px 16px;
    justify-content: flex-start;
}

.page-sel-btn.active {
    background: rgba(229, 57, 53, 0.15);
    border-color: rgba(229, 57, 53, 0.5);
    color: #ef9a9a;
    box-shadow: 0 0 10px rgba(229, 57, 53, 0.2);
}

.page-editor-main {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* --- QUILL EDITOR DARK THEME FIXES --- */
.ql-toolbar.ql-snow {
    background: #1a223f !important;
    border-color: var(--border-color) !important;
    border-top-left-radius: 8px;
    border-top-right-radius: 8px;
}

.ql-container.ql-snow {
    background: rgba(0, 0, 0, 0.2) !important;
    border-color: var(--border-color) !important;
    border-bottom-left-radius: 8px;
    border-bottom-right-radius: 8px;
    font-family: var(--font-sans) !important;
    font-size: 0.95rem !important;
}

.ql-editor {
    color: var(--text-primary) !important;
    min-height: 250px;
}

/* Make Quill SVGs visible on dark theme */
.ql-snow .ql-stroke {
    stroke: var(--text-secondary) !important;
}

.ql-snow .ql-fill, .ql-snow .ql-stroke.ql-fill {
    fill: var(--text-secondary) !important;
}

.ql-snow .ql-picker {
    color: var(--text-secondary) !important;
}

.ql-snow .ql-picker-options {
    background-color: #1a223f !important;
    border-color: var(--border-color) !important;
}

.ql-snow.ql-toolbar button:hover .ql-stroke, 
.ql-snow .ql-toolbar button:hover .ql-stroke, 
.ql-snow.ql-toolbar button.ql-active .ql-stroke, 
.ql-snow .ql-toolbar button.ql-active .ql-stroke {
    stroke: #ef5350 !important;
}

.ql-snow.ql-toolbar button:hover .ql-fill, 
.ql-snow .ql-toolbar button:hover .ql-fill, 
.ql-snow.ql-toolbar button.ql-active .ql-fill, 
.ql-snow .ql-toolbar button.ql-active .ql-fill {
    fill: #ef5350 !important;
}

@media (max-width: 768px) {
    .page-manager-layout {
        grid-template-columns: 1fr;
    }
}

/* --- INTRODUCTION TOPICS BANNER --- */
.intro-topics-banner {
    background: linear-gradient(135deg, rgba(139, 38, 53, 0.85) 0%, rgba(98, 22, 33, 0.95) 100%);
    border: 1px solid rgba(255, 215, 0, 0.25);
    border-radius: 20px;
    padding: 25px;
    text-align: center;
    margin-bottom: 40px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
    width: 100%;
    max-width: 1000px;
}

.banner-header {
    font-size: 1.05rem;
    font-weight: 700;
    color: #ffd700;
    letter-spacing: 1.5px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    text-transform: uppercase;
}

.topics-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    margin-bottom: 20px;
}

.topic-tag {
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 8px;
    padding: 10px 18px;
    color: #ffffff;
    font-size: 0.95rem;
    font-weight: 500;
}

.topic-tag span {
    color: #ffd700;
    font-weight: 700;
}

.banner-footer {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 15px;
    display: inline-block;
    width: 80%;
    text-align: center;
}

.banner-footer span {
    color: #ffd700;
    font-weight: 700;
}

/* --- HOME PAGE PRIZES CARD SECTION (DARK THEME - COMPACT & SYNCED) --- */
.prizes-home-section {
    width: 100%;
    max-width: 1000px;
    margin: 20px auto 30px auto;
}

.prize-card-dark-theme {
    width: 100%;
    border-radius: 16px;
    overflow: hidden;
    background: rgba(8, 20, 50, 0.75);
    border: 1px solid rgba(0, 180, 230, 0.18);
    backdrop-filter: blur(20px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
    font-family: var(--font-sans);
}

.prize-card-dark-theme .prize-card-header {
    background: linear-gradient(90deg, #0d2a6b 0%, #1565c0 100%);
    padding: 12px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #ffffff;
    border-bottom: 1px solid rgba(0, 212, 255, 0.1);
}

.prize-card-dark-theme .prize-header-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.prize-card-dark-theme .prize-icon-wrapper {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: #ffd700;
}

.prize-card-dark-theme .title-meta {
    display: flex;
    flex-direction: column;
}

.prize-card-dark-theme .title-meta span:first-child {
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    opacity: 0.8;
    font-weight: 500;
}

.prize-card-dark-theme .title-meta span:last-child {
    font-size: 1.05rem;
    font-weight: 800;
}

.prize-card-dark-theme .prize-count-badge {
    background: rgba(0, 150, 210, 0.25);
    color: #00d4ff;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 12px;
    border: 1px solid rgba(0, 180, 230, 0.3);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
}

.prize-card-dark-theme .prize-card-body {
    padding: 16px 20px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.prize-row-wt {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 16px;
    border-radius: 12px;
    border: 1.5px solid;
    transition: var(--transition-smooth);
}

.prize-row-wt:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.prize-row-wt.first-prize {
    background: rgba(255, 213, 79, 0.05);
    border-color: rgba(255, 213, 79, 0.25);
}

.prize-row-wt.second-prize {
    background: rgba(176, 190, 197, 0.04);
    border-color: rgba(176, 190, 197, 0.25);
}

.prize-row-wt.third-prize {
    background: rgba(255, 183, 77, 0.04);
    border-color: rgba(255, 183, 77, 0.25);
}

.prize-card-dark-theme .prize-left-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.prize-card-dark-theme .prize-medal-wrapper {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
}

.prize-row-wt.first-prize .prize-medal-wrapper {
    background: #ffd54f;
    color: #f57f17;
}

.prize-row-wt.second-prize .prize-medal-wrapper {
    background: #cfd8dc;
    color: #37474f;
}

.prize-row-wt.third-prize .prize-medal-wrapper {
    background: #ffe0b2;
    color: #e65100;
}

.prize-card-dark-theme .prize-title-wrapper {
    display: flex;
    flex-direction: column;
}

.prize-card-dark-theme .prize-title-wrapper span:first-child {
    font-size: 0.95rem;
    font-weight: 700;
    color: #ffffff;
}

.prize-card-dark-theme .prize-title-wrapper span:last-child {
    font-size: 0.72rem;
    color: rgba(255, 255, 255, 0.6);
    margin-top: 2px;
    background: rgba(255, 255, 255, 0.06);
    padding: 1px 6px;
    border-radius: 10px;
    width: fit-content;
    font-weight: 500;
}

.prize-card-dark-theme .prize-amount-box {
    padding: 6px 14px;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 800;
    text-align: right;
    display: flex;
    flex-direction: column;
    justify-content: center;
    line-height: 1.1;
}

.prize-row-wt.first-prize .prize-amount-box {
    background: rgba(255, 213, 79, 0.08);
    border: 1px solid rgba(255, 213, 79, 0.3);
    color: #ffd54f;
}

.prize-row-wt.second-prize .prize-amount-box {
    background: rgba(176, 190, 197, 0.08);
    border: 1px solid rgba(176, 190, 197, 0.3);
    color: #cfd8dc;
}

.prize-row-wt.third-prize .prize-amount-box {
    background: rgba(255, 183, 77, 0.08);
    border: 1px solid rgba(255, 183, 77, 0.3);
    color: #ffb74d;
}

.prize-card-dark-theme .prize-amount-box span {
    display: block;
    font-size: 0.65rem;
    font-weight: 600;
    opacity: 0.8;
    color: rgba(255, 255, 255, 0.5);
    margin-top: 1px;
}

.prize-card-dark-theme .prize-card-footer {
    background: rgba(0, 0, 0, 0.2);
    border-top: 1px solid rgba(0, 180, 230, 0.1);
    padding: 12px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 700;
    width: 100%;
    box-sizing: border-box;
}

.prize-card-dark-theme .prize-total-label {
    color: #00d4ff;
    font-size: 0.88rem;
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 6px;
}

.prize-card-dark-theme .prize-total-value {
    color: #00d4ff;
    font-size: 1.15rem;
    font-weight: 800;
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.4);
}

/* --- ADMIN STRUCTURED FORMS DESIGN --- */
.structured-page-form {
    background: rgba(0, 0, 0, 0.15);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 20px;
}

.structured-page-form .form-group label {
    color: var(--text-primary);
    font-weight: 600;
}

.structured-page-form input {
    background: rgba(0, 0, 0, 0.3) !important;
}

.hidden {
    display: none !important;
}

@media (max-width: 600px) {
    .prize-card-dark-theme .prize-card-header {
        flex-direction: column;
        gap: 10px;
        align-items: flex-start;
    }
    .prize-row-wt {
        flex-direction: column;
        gap: 10px;
        align-items: flex-start;
    }
    .prize-card-dark-theme .prize-amount-box {
        width: 100%;
        text-align: left;
        align-items: flex-start;
    }
    .banner-footer {
        width: 100%;
    }
}