:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --secondary: #8b5cf6;
    --dark-bg: #0f172a;
    --dark-card: #1e293b;
    --dark-card-hover: #334155;
    --text-light: #f8fafc;
    --text-muted: #94a3b8;
    --success: #10b981;
    --error: #ef4444;
    --warning: #f59e0b;
    --gradient: linear-gradient(135deg, var(--primary), var(--secondary));
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--dark-bg);
    color: var(--text-light);
    line-height: 1.6;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Homepage Styles */
.home-body {
    background: linear-gradient(135deg, var(--dark-bg) 0%, #1e1b4b 100%);
    min-height: 100vh;
}

/* Navigation */
.navbar {
    background: linear-gradient(135deg, var(--dark-card) 0%, #312e81 100%);
    padding: 15px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 15px;
}

.nav-brand img {
    height: 40px;
    width: auto;
}

.nav-brand h2 {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-size: 1.5rem;
}

.nav-auth {
    display: flex;
    gap: 15px;
}

/* Buttons */
.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(99, 102, 241, 0.3);
}

.btn-outline {
    background: transparent;
    color: var(--text-light);
    border: 2px solid var(--primary);
}

.btn-outline:hover {
    background: var(--primary);
    color: white;
}

.btn-full {
    width: 100%;
}

.btn-large {
    padding: 18px 40px;
    font-size: 18px;
}

.btn-small {
    padding: 8px 16px;
    font-size: 14px;
}

/* Hero Section */
.hero-section {
    padding: 100px 30px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 20px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.3rem;
    color: var(--text-muted);
    margin-bottom: 40px;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-prizes {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-top: 60px;
    flex-wrap: wrap;
}

.prize-item {
    background: var(--gradient);
    padding: 15px 25px;
    border-radius: 50px;
    font-weight: 600;
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.3);
    animation: float 3s ease-in-out infinite;
}

.prize-item:nth-child(2) { animation-delay: 0.5s; }
.prize-item:nth-child(3) { animation-delay: 1s; }
.prize-item:nth-child(4) { animation-delay: 1.5s; }

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

/* Sections */
.section {
    padding: 80px 30px;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Steps Grid */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.step-card {
    background: linear-gradient(135deg, var(--dark-card) 0%, #312e81 100%);
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: transform 0.3s ease;
}

.step-card:hover {
    transform: translateY(-10px);
}

.step-number {
    background: var(--gradient);
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    margin: 0 auto 20px;
}

.step-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.step-card p {
    color: var(--text-muted);
}

/* Prizes Section */
.prizes-section {
    background: var(--dark-card);
}

.prizes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.prize-card {
    background: linear-gradient(135deg, var(--dark-bg) 0%, #312e81 100%);
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.prize-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
    transition: left 0.5s;
}

.prize-card:hover::before {
    left: 100%;
}

.prize-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
}

.prize-value {
    background: var(--gradient);
    color: white;
    padding: 10px 20px;
    border-radius: 25px;
    font-size: 1.2rem;
    font-weight: bold;
    display: inline-block;
    margin-bottom: 20px;
}

.prize-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
}

.prize-card p {
    color: var(--text-muted);
}

/* Sponsors Section */
.sponsors-section {
    background: var(--dark-bg);
    padding: 80px 0;
    overflow: hidden;
    position: relative;
}

.sponsors-header {
    text-align: center;
    margin-bottom: 50px;
}

.sponsors-header h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.sponsors-header p {
    color: var(--text-muted);
    font-size: 1.2rem;
}

.sponsors-track {
    display: flex;
    animation: scroll 30s linear infinite;
    gap: 50px;
}

.sponsor-item {
    padding: 0 40px;
    font-size: 1.8rem;
    font-weight: bold;
    color: var(--text-muted);
    white-space: nowrap;
    transition: color 0.3s ease;
    flex-shrink: 0;
}

.sponsor-item:hover {
    color: var(--primary);
}

@keyframes scroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* CTA Section */
.cta-section {
    background: var(--gradient);
    padding: 80px 30px;
    text-align: center;
    color: white;
}

.cta-section h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.cta-section p {
    font-size: 1.2rem;
    margin-bottom: 40px;
    opacity: 0.9;
}

/* Auth Pages */
.auth-body {
    background: linear-gradient(135deg, var(--dark-bg) 0%, #1e1b4b 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.auth-container {
    width: 100%;
    max-width: 400px;
}

.auth-card {
    background: linear-gradient(135deg, var(--dark-card) 0%, #312e81 100%);
    padding: 40px 30px;
    border-radius: 15px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

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

.auth-header h1 {
    font-size: 2rem;
    margin-bottom: 10px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.auth-header p {
    color: var(--text-muted);
}

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

.form-group input, .form-group select, .form-group textarea {
    width: 100%;
    padding: 15px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    color: var(--text-light);
    font-size: 16px;
    transition: all 0.3s ease;
}

.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.3);
}

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

.alert {
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
    text-align: center;
}

.alert-error {
    background: rgba(239, 68, 68, 0.2);
    border: 1px solid var(--error);
    color: #fca5a5;
}

.alert-success {
    background: rgba(16, 185, 129, 0.2);
    border: 1px solid var(--success);
    color: #6ee7b7;
}

.auth-footer {
    text-align: center;
    margin-top: 20px;
}

.auth-footer a {
    color: var(--primary);
    text-decoration: none;
}

.auth-footer a:hover {
    text-decoration: underline;
}

/* Dashboard Layout */
.dashboard-body {
    background: var(--dark-bg);
    min-height: 100vh;
}

.dashboard-container {
    display: flex;
    min-height: calc(100vh - 70px);
}

.sidebar {
    width: 280px;
    background: linear-gradient(135deg, var(--dark-card) 0%, #312e81 100%);
    border-right: 1px solid rgba(255, 255, 255, 0.1);
    padding: 20px 0;
    position: sticky;
    top: 70px;
    height: calc(100vh - 70px);
    overflow-y: auto;
}

.sidebar-menu {
    display: flex;
    flex-direction: column;
}

.menu-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 25px;
    color: var(--text-light);
    text-decoration: none;
    transition: all 0.3s ease;
    border-left: 4px solid transparent;
    font-size: 1rem;
}

.menu-item:hover, .menu-item.active {
    background: var(--dark-card-hover);
    border-left-color: var(--primary);
}

.badge {
    background: var(--primary);
    color: white;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 600;
}

.main-content {
    flex: 1;
    padding: 30px;
    background: var(--dark-bg);
    overflow-y: auto;
}

.welcome-section {
    margin-bottom: 40px;
}

.welcome-section h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.welcome-text {
    color: var(--text-muted);
    font-size: 1.1rem;
    margin-bottom: 30px;
}

.quiz-start-card {
    background: linear-gradient(135deg, var(--dark-card) 0%, #312e81 100%);
    padding: 40px;
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    margin-bottom: 30px;
}

.quiz-start-card h3 {
    font-size: 1.8rem;
    margin-bottom: 15px;
}

.prize-list {
    list-style: none;
    margin: 20px 0;
    text-align: left;
    display: inline-block;
}

.prize-list li {
    padding: 8px 0;
    color: var(--text-muted);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.stat-card {
    background: linear-gradient(135deg, var(--dark-card) 0%, #312e81 100%);
    padding: 25px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    gap: 20px;
    transition: transform 0.3s ease;
}

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

.stat-icon {
    font-size: 2.5rem;
}

.stat-info h3 {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 5px;
}

.stat-number {
    font-size: 2rem;
    font-weight: bold;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Dropdown */
.dropdown {
    position: relative;
    display: inline-block;
}

.user-btn {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--text-light);
    padding: 12px 18px;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
    font-size: 0.95rem;
}

.user-btn:hover {
    background: rgba(255, 255, 255, 0.2);
}

.dropdown-content {
    display: none;
    position: absolute;
    right: 0;
    background: var(--dark-card);
    min-width: 180px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    z-index: 1000;
}

.dropdown-content a {
    color: var(--text-light);
    padding: 14px 18px;
    text-decoration: none;
    display: block;
    transition: background 0.3s ease;
    font-size: 0.9rem;
}

.dropdown-content a:hover {
    background: var(--dark-card-hover);
}

.dropdown:hover .dropdown-content {
    display: block;
}

/* Questionnaires Page Styles */
.questionnaires-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.questionnaire-card {
    background: linear-gradient(135deg, var(--dark-card) 0%, #312e81 100%);
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    overflow: hidden;
    transition: all 0.3s ease;
}

.questionnaire-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
}

.questionnaire-card.completed {
    opacity: 0.9;
    border-left: 4px solid var(--success);
}

.questionnaire-header {
    padding: 25px 25px 15px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 15px;
}

.questionnaire-header h3 {
    margin: 0;
    font-size: 1.3rem;
    flex: 1;
}

.status-badge {
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    white-space: nowrap;
}

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

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

.questionnaire-body {
    padding: 20px 25px 25px;
}

.questionnaire-stats {
    display: flex;
    gap: 20px;
    margin: 20px 0;
    padding: 15px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex: 1;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 5px;
}

.stat-value {
    font-weight: 600;
    font-size: 1.1rem;
}

.questionnaire-actions {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

/* Prizes Won Page Styles */
.won-prize {
    position: relative;
    border: 2px solid var(--success);
}

.prize-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: var(--success);
    color: white;
    padding: 8px 15px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    z-index: 2;
}

.prize-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 8px;
    margin: 15px 0;
}

.prize-details {
    background: rgba(255, 255, 255, 0.05);
    padding: 15px;
    border-radius: 8px;
    margin: 15px 0;
}

.detail-item {
    margin-bottom: 8px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.detail-item:last-child {
    margin-bottom: 0;
}

.status-claimed {
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 600;
}

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

.status-claimed.unclaimed {
    background: var(--warning);
    color: black;
}

.claim-notice {
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid var(--warning);
    border-radius: 8px;
    padding: 15px;
    margin-top: 15px;
    text-align: center;
}

.claim-notice p {
    margin: 0;
    color: var(--warning);
}

.prize-motivation, .prize-reminder {
    margin: 25px 0;
    text-align: center;
}

.prize-motivation h4, .prize-reminder h4 {
    color: var(--primary);
    margin-bottom: 15px;
}

.action-buttons {
    text-align: center;
    margin-top: 25px;
}

/* Quiz Styles */
.quiz-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
}

.quiz-header {
    background: linear-gradient(135deg, var(--dark-card) 0%, #312e81 100%);
    padding: 25px;
    border-radius: 15px;
    margin-bottom: 25px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.progress-bar {
    background: rgba(255, 255, 255, 0.1);
    height: 8px;
    border-radius: 4px;
    margin: 20px 0;
    overflow: hidden;
}

.progress-fill {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    height: 100%;
    border-radius: 4px;
    transition: width 0.3s ease;
}

.progress-text {
    display: flex;
    justify-content: space-between;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.question-card {
    background: linear-gradient(135deg, var(--dark-card) 0%, #312e81 100%);
    padding: 30px;
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 25px;
}

.question-text {
    font-size: 1.3rem;
    margin-bottom: 25px;
    line-height: 1.5;
}

.options-grid {
    display: grid;
    gap: 15px;
    margin-bottom: 25px;
}

.option-label {
    display: block;
    padding: 15px 20px;
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.option-label:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--primary);
}

.option-input {
    display: none;
}

.option-input:checked + .option-label {
    background: rgba(99, 102, 241, 0.2);
    border-color: var(--primary);
}

.text-answer {
    width: 100%;
    padding: 15px;
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    color: var(--text-light);
    font-size: 1rem;
    margin-bottom: 25px;
}

.text-answer:focus {
    outline: none;
    border-color: var(--primary);
}

.quiz-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.points-indicator {
    background: var(--gradient);
    padding: 8px 15px;
    border-radius: 20px;
    font-weight: 600;
}

.question-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin: 15px 0;
}

/* Results Styles */
.results-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 20px;
}

.results-header {
    background: linear-gradient(135deg, var(--dark-card) 0%, #312e81 100%);
    padding: 30px;
    border-radius: 15px;
    margin-bottom: 25px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.score-circle {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: conic-gradient(var(--primary) 0deg, rgba(255,255,255,0.1) 0deg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    position: relative;
}

.score-inner {
    width: 100px;
    height: 100px;
    background: var(--dark-card);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
}

.score-percentage {
    font-size: 1.8rem;
    font-weight: bold;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.results-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin: 30px 0;
}

.result-item {
    background: rgba(255, 255, 255, 0.05);
    padding: 20px;
    border-radius: 10px;
    text-align: center;
}

.result-value {
    font-size: 2rem;
    font-weight: bold;
    margin-bottom: 5px;
}

.result-label {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.response-item {
    background: linear-gradient(135deg, var(--dark-card) 0%, #312e81 100%);
    padding: 25px;
    border-radius: 12px;
    margin-bottom: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.response-item.correct {
    border-left: 4px solid var(--success);
}

.response-item.incorrect {
    border-left: 4px solid var(--error);
}

.answer-comparison {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin: 15px 0;
}

.answer-box {
    padding: 15px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.05);
}

.user-answer.correct {
    background: rgba(16, 185, 129, 0.2);
    border: 1px solid var(--success);
}

.user-answer.incorrect {
    background: rgba(239, 68, 68, 0.2);
    border: 1px solid var(--error);
}

.correct-answer {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid var(--success);
}

.answer-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 5px;
    text-transform: uppercase;
    font-weight: 600;
}

.points-earned {
    text-align: right;
    font-weight: 600;
    color: var(--success);
}

.points-missed {
    text-align: right;
    font-weight: 600;
    color: var(--error);
}

.celebration {
    text-align: center;
    margin: 30px 0;
}

.celebration h2 {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-size: 2rem;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .dashboard-container {
        flex-direction: column;
    }
    
    .sidebar {
        width: 100%;
        height: auto;
        position: static;
        border-right: none;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .sidebar-menu {
        flex-direction: row;
        overflow-x: auto;
        padding: 10px;
    }
    
    .menu-item {
        white-space: nowrap;
        border-left: none;
        border-bottom: 3px solid transparent;
        padding: 15px 20px;
    }
    
    .menu-item.active {
        border-left-color: transparent;
        border-bottom-color: var(--primary);
    }
}

@media (max-width: 768px) {
    .navbar {
        padding: 15px 20px;
        flex-direction: column;
        gap: 15px;
    }
    
    .nav-auth {
        width: 100%;
        justify-content: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-prizes {
        gap: 15px;
    }
    
    .prize-item {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .steps-grid {
        grid-template-columns: 1fr;
    }
    
    .prizes-grid {
        grid-template-columns: 1fr;
    }
    
    .sponsor-item {
        font-size: 1.4rem;
        padding: 0 20px;
    }
    
    .cta-section h2 {
        font-size: 2rem;
    }
    
    .main-content {
        padding: 20px;
    }
    
    .welcome-section h1 {
        font-size: 2rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .questionnaires-grid {
        grid-template-columns: 1fr;
    }
    
    .questionnaire-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    
    .questionnaire-stats {
        flex-direction: column;
        gap: 10px;
    }
    
    .stat {
        flex-direction: row;
        justify-content: space-between;
    }
    
    .detail-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 5px;
    }
    
    .answer-comparison {
        grid-template-columns: 1fr;
    }
    
    .quiz-actions {
        flex-direction: column;
        gap: 15px;
        align-items: stretch;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .section {
        padding: 50px 20px;
    }
    
    .auth-card {
        padding: 30px 20px;
    }
    
    .quiz-start-card {
        padding: 30px 20px;
    }
    
    .question-card {
        padding: 20px;
    }
    
    .results-header {
        padding: 20px;
    }
}

        /* Mobile Navigation Styles */
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: var(--text-light);
            font-size: 1.5rem;
            cursor: pointer;
            padding: 5px;
        }

        .mobile-sidebar {
            position: fixed;
            top: 0;
            left: -300px;
            width: 280px;
            height: 100vh;
            background: linear-gradient(135deg, var(--dark-card) 0%, #312e81 100%);
            z-index: 2000;
            transition: left 0.3s ease;
            padding: 20px;
            overflow-y: auto;
        }

        .mobile-sidebar.active {
            left: 0;
        }

        .mobile-sidebar-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.5);
            z-index: 1999;
        }

        .mobile-sidebar-overlay.active {
            display: block;
        }

        .mobile-nav-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 30px;
            padding-bottom: 15px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .mobile-nav-menu {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .mobile-nav-item {
            display: block;
            padding: 15px 20px;
            color: var(--text-light);
            text-decoration: none;
            border-radius: 8px;
            transition: all 0.3s ease;
            text-align: center;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .mobile-nav-item:hover {
            background: var(--dark-card-hover);
            border-color: var(--primary);
        }

        .close-sidebar {
            background: none;
            border: none;
            color: var(--text-light);
            font-size: 1.5rem;
            cursor: pointer;
            padding: 5px;
        }

        @media (max-width: 768px) {
            .mobile-menu-btn {
                display: block;
            }

            .nav-auth {
                display: none;
            }

            .navbar {
                padding: 12px 20px;
            }

            .nav-brand {
                flex: 1;
            }

            .nav-brand h2 {
                font-size: 1.3rem;
            }
        }

        @media (max-width: 480px) {
            .hero-title {
                font-size: 2rem;
            }

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

            .prize-item {
                padding: 8px 16px;
                font-size: 0.8rem;
            }

            .section-title {
                font-size: 1.8rem;
            }
        }
        
    
        .results-container {
            max-width: 900px;
            margin: 0 auto;
            padding: 20px;
        }
        
        .results-header {
            background: linear-gradient(135deg, var(--dark-card) 0%, #312e81 100%);
            padding: 30px;
            border-radius: 15px;
            margin-bottom: 25px;
            border: 1px solid rgba(255, 255, 255, 0.1);
            text-align: center;
        }
        
        .score-circle {
            width: 120px;
            height: 120px;
            border-radius: 50%;
            background: conic-gradient(var(--primary) <?php echo $score_percentage * 3.6; ?>deg, rgba(255,255,255,0.1) 0deg);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            position: relative;
        }
        
        .score-inner {
            width: 100px;
            height: 100px;
            background: var(--dark-card);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-direction: column;
        }
        
        .score-percentage {
            font-size: 1.8rem;
            font-weight: bold;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        
        .results-stats {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
            margin: 30px 0;
        }
        
        .result-item {
            background: rgba(255, 255, 255, 0.05);
            padding: 20px;
            border-radius: 10px;
            text-align: center;
        }
        
        .result-value {
            font-size: 2rem;
            font-weight: bold;
            margin-bottom: 5px;
        }
        
        .result-label {
            color: var(--text-muted);
            font-size: 0.9rem;
        }
        
        .response-item {
            background: linear-gradient(135deg, var(--dark-card) 0%, #312e81 100%);
            padding: 25px;
            border-radius: 12px;
            margin-bottom: 20px;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }
        
        .response-item.correct {
            border-left: 4px solid var(--success);
        }
        
        .response-item.incorrect {
            border-left: 4px solid var(--error);
        }
        
        .question-text {
            font-size: 1.1rem;
            margin-bottom: 15px;
            font-weight: 500;
        }
        
        .answer-comparison {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 15px;
            margin: 15px 0;
        }
        
        .answer-box {
            padding: 15px;
            border-radius: 8px;
            background: rgba(255, 255, 255, 0.05);
        }
        
        .user-answer.correct {
            background: rgba(16, 185, 129, 0.2);
            border: 1px solid var(--success);
        }
        
        .user-answer.incorrect {
            background: rgba(239, 68, 68, 0.2);
            border: 1px solid var(--error);
        }
        
        .correct-answer {
            background: rgba(16, 185, 129, 0.1);
            border: 1px solid var(--success);
        }
        
        .answer-label {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 5px;
            text-transform: uppercase;
            font-weight: 600;
        }
        
        .points-earned {
            text-align: right;
            font-weight: 600;
            color: var(--success);
        }
        
        .points-missed {
            text-align: right;
            font-weight: 600;
            color: var(--error);
        }
        
        .celebration {
            text-align: center;
            margin: 30px 0;
        }
        
        .celebration h2 {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            font-size: 2rem;
        }
        
    .testimonials-section {
        background: var(--dark-bg);
        padding: 80px 0;
        overflow: hidden;
        position: relative;
    }

    .testimonials-header {
        text-align: center;
        margin-bottom: 50px;
    }

    .testimonials-header h2 {
        font-size: 2.5rem;
        margin-bottom: 15px;
        background: linear-gradient(135deg, var(--primary), var(--secondary));
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
    }

    .testimonials-header p {
        color: var(--text-muted);
        font-size: 1.2rem;
    }

    .testimonials-track {
        display: flex;
        animation: scroll-testimonials 20s linear infinite;
        gap: 25px;
        padding: 10px 0;
    }

    .testimonial-card {
        flex: 0 0 350px;
        background: linear-gradient(135deg, var(--dark-card) 0%, #312e81 100%);
        padding: 30px;
        border-radius: 15px;
        border: 1px solid rgba(255, 255, 255, 0.1);
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
        transition: all 0.3s ease;
        position: relative;
        overflow: hidden;
    }

    .testimonial-card::before {
        content: '';
        position: absolute;
        top: 0;
        left: -100%;
        width: 100%;
        height: 100%;
        background: linear-gradient(90deg, transparent, rgba(255,255,255,0.05), transparent);
        transition: left 0.5s;
    }

    .testimonial-card:hover::before {
        left: 100%;
    }

    .testimonial-card:hover {
        transform: translateY(-5px);
        box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
    }

    .testimonial-content {
        height: 100%;
        display: flex;
        flex-direction: column;
        justify-content: space-between;
    }

    .testimonial-text {
        font-size: 1rem;
        line-height: 1.6;
        color: var(--text-light);
        margin-bottom: 20px;
        font-style: italic;
        flex-grow: 1;
    }

    .testimonial-author {
        display: flex;
        align-items: center;
        gap: 15px;
    }

    .author-avatar {
        font-size: 2.5rem;
        width: 60px;
        height: 60px;
        display: flex;
        align-items: center;
        justify-content: center;
        background: var(--gradient);
        border-radius: 50%;
        flex-shrink: 0;
    }

    .author-info {
        flex-grow: 1;
    }

    .author-name {
        font-weight: 600;
        color: var(--text-light);
        margin-bottom: 5px;
    }

    .author-type {
        font-size: 0.85rem;
        font-weight: 500;
    }

    .author-type.winner {
        color: var(--success);
    }

    .author-type.user {
        color: var(--primary);
    }

    @keyframes scroll-testimonials {
        0% { transform: translateX(0); }
        100% { transform: translateX(calc(-350px * 8 - 25px * 8)); }
    }

    /* Pause animation on hover */
    .testimonials-track:hover {
        animation-play-state: paused;
    }

    /* Responsive Design */
    @media (max-width: 768px) {
        .testimonials-header h2 {
            font-size: 2rem;
        }

        .testimonial-card {
            flex: 0 0 300px;
            padding: 25px;
        }

        .author-avatar {
            font-size: 2rem;
            width: 50px;
            height: 50px;
        }

        @keyframes scroll-testimonials {
            0% { transform: translateX(0); }
            100% { transform: translateX(calc(-300px * 8 - 25px * 8)); }
        }
    }

    @media (max-width: 480px) {
        .testimonials-section {
            padding: 60px 0;
        }

        .testimonials-header h2 {
            font-size: 1.8rem;
        }

        .testimonials-header p {
            font-size: 1rem;
        }

        .testimonial-card {
            flex: 0 0 280px;
            padding: 20px;
        }

        .testimonial-text {
            font-size: 0.9rem;
        }

        .author-avatar {
            font-size: 1.8rem;
            width: 45px;
            height: 45px;
        }

        @keyframes scroll-testimonials {
            0% { transform: translateX(0); }
            100% { transform: translateX(calc(-280px * 8 - 25px * 8)); }
        }
    }