/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

/* Particles Background */
.particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.particle {
    position: absolute;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
}

.particle:nth-child(1) {
    width: 80px;
    height: 80px;
    top: 20%;
    left: 20%;
    animation-delay: 0s;
}

.particle:nth-child(2) {
    width: 60px;
    height: 60px;
    top: 60%;
    right: 20%;
    animation-delay: 2s;
}

.particle:nth-child(3) {
    width: 100px;
    height: 100px;
    bottom: 20%;
    left: 10%;
    animation-delay: 4s;
}

.particle:nth-child(4) {
    width: 40px;
    height: 40px;
    top: 80%;
    right: 30%;
    animation-delay: 1s;
}

.particle:nth-child(5) {
    width: 70px;
    height: 70px;
    top: 40%;
    left: 70%;
    animation-delay: 3s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
        opacity: 0.3;
    }
    50% {
        transform: translateY(-20px) rotate(180deg);
        opacity: 0.6;
    }
}

/* Container */
.container {
    position: relative;
    z-index: 2;
    max-width: 1200px;
    margin: 0 auto;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 800;
    color: white;
}

.logo i {
    color: #ff6b6b;
    text-shadow: 0 0 10px rgba(255, 107, 107, 0.5);
}

.header-stats {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
    font-weight: 500;
}

/* Screens */
.screen {
    flex: 1;
    display: none;
    padding: 2rem;
}

.screen.active {
    display: block;
}

/* Hero Section */
.hero {
    text-align: center;
    margin-bottom: 3rem;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    color: white;
    margin-bottom: 1rem;
    line-height: 1.1;
}

.gradient-text {
    background: linear-gradient(45deg, #ff6b6b, #4ecdc4, #45b7d1, #96ceb4);
    background-size: 300% 300%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: gradientShift 3s ease infinite;
}

@keyframes gradientShift {
    0%, 100% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
}

.hero-subtitle {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-bottom: 3rem;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: white;
    margin-bottom: 0.5rem;
}

.stat-label {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    font-weight: 500;
}

/* Quiz Grid */
.quiz-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    max-width: 1000px;
    margin: 0 auto;
}

.quiz-card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.quiz-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(45deg, #ff6b6b, #4ecdc4);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.quiz-card:hover::before {
    transform: scaleX(1);
}

.quiz-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.15);
}

.quiz-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
}

.quiz-card h3 {
    font-size: 1.4rem;
    font-weight: 700;
    color: #333;
    margin-bottom: 0.5rem;
}

.quiz-card p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.quiz-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #999;
    font-size: 0.9rem;
}

.quiz-difficulty {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.difficulty-dots {
    display: flex;
    gap: 2px;
}

.dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #ddd;
}

.dot.active {
    background: #ff6b6b;
}

/* Quiz Screen */
.quiz-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    backdrop-filter: blur(10px);
}

.back-btn {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    color: white;
    font-size: 1.2rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.back-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.1);
}

.quiz-info {
    flex: 1;
}

.quiz-title {
    color: white;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.progress-container {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.progress-bar {
    flex: 1;
    height: 8px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(45deg, #ff6b6b, #4ecdc4);
    border-radius: 4px;
    transition: width 0.5s ease;
    width: 0%;
}

.progress-text {
    color: white;
    font-weight: 600;
    font-size: 0.9rem;
}

/* Question Card */
.question-container {
    max-width: 800px;
    margin: 0 auto 2rem;
}

.question-card {
    background: white;
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    animation: slideIn 0.5s ease;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.question-number {
    color: #ff6b6b;
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1rem;
}

.question-text {
    font-size: 1.5rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 2rem;
    line-height: 1.4;
}

.answers-container {
    display: grid;
    gap: 1rem;
}

.answer-option {
    background: #f8f9fa;
    border: 2px solid transparent;
    border-radius: 15px;
    padding: 1.2rem;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.answer-option::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, rgba(255, 107, 107, 0.1), rgba(78, 205, 196, 0.1));
    transition: left 0.3s ease;
}

.answer-option:hover {
    border-color: #ff6b6b;
    background: rgba(255, 107, 107, 0.05);
    transform: translateY(-2px);
}

.answer-option:hover::before {
    left: 0;
}

.answer-option.selected {
    border-color: #ff6b6b;
    background: rgba(255, 107, 107, 0.1);
    color: #ff6b6b;
    font-weight: 600;
}

.answer-text {
    position: relative;
    z-index: 1;
}

/* Quiz Actions */
.quiz-actions {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    max-width: 800px;
    margin: 0 auto;
}

.action-btn {
    background: linear-gradient(45deg, #ff6b6b, #ff8a8a);
    border: none;
    padding: 1rem 2rem;
    border-radius: 50px;
    color: white;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1rem;
    min-width: 120px;
    justify-content: center;
}

.action-btn.secondary {
    background: rgba(255, 255, 255, 0.2);
    color: white;
}

.action-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.action-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* Results Screen */
.results-container {
    max-width: 600px;
    margin: 0 auto;
}

.results-card {
    background: white;
    border-radius: 25px;
    padding: 3rem;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.15);
    text-align: center;
    animation: scaleIn 0.6s ease;
}

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

.results-header {
    margin-bottom: 2rem;
}

.result-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    animation: bounce 1s ease infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

.result-title {
    font-size: 2rem;
    font-weight: 800;
    color: #333;
    margin-bottom: 1rem;
}

.result-score {
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(45deg, #ff6b6b, #4ecdc4);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 1rem;
}

.result-content {
    margin-bottom: 2rem;
}

.result-type {
    font-size: 1.5rem;
    font-weight: 700;
    color: #ff6b6b;
    margin-bottom: 1rem;
}

.result-description {
    color: #666;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.result-traits {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.trait-tag {
    background: linear-gradient(45deg, #ff6b6b, #4ecdc4);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
}

.result-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 1rem;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: white;
    border-radius: 20px;
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 1px solid #eee;
}

.modal-header h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: #333;
}

.close-btn {
    background: none;
    border: none;
    font-size: 1.2rem;
    color: #999;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.close-btn:hover {
    background: #f5f5f5;
    color: #333;
}

.modal-body {
    padding: 1.5rem;
}

.share-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 15px;
    padding: 2rem;
    color: white;
    text-align: center;
    margin-bottom: 1.5rem;
}

.share-logo {
    font-size: 1.2rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.share-result h4 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.share-result p {
    opacity: 0.9;
    margin-bottom: 1rem;
}

.share-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.share-footer {
    font-size: 0.9rem;
    opacity: 0.8;
}

.share-buttons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.share-btn {
    background: #f8f9fa;
    border: 1px solid #dee2e6;
    padding: 1rem;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-weight: 600;
}

.share-btn.facebook {
    color: #1877f2;
}

.share-btn.tiktok {
    color: #000000;
}

.share-btn.twitter {
    color: #000000;
}

.share-btn.instagram {
    color: #e4405f;
}

.share-btn.reddit {
    color: #ff4500;
}

.share-btn.other {
    color: #6c757d;
}

.share-btn:hover {
    background: #e9ecef;
    transform: translateY(-2px);
}

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1001;
}

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

.loading-spinner {
    text-align: center;
    color: white;
}

.spinner {
    width: 60px;
    height: 60px;
    border: 4px solid rgba(255, 255, 255, 0.2);
    border-top: 4px solid #ff6b6b;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 1rem;
}

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

/* Toast Notification */
.toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: #28a745;
    color: white;
    padding: 1rem 1.5rem;
    border-radius: 10px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    z-index: 1002;
}

.toast.show {
    transform: translateX(0);
}

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

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-stats {
        gap: 1.5rem;
    }

    .stat-number {
        font-size: 1.5rem;
    }

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

    .quiz-card {
        padding: 1.5rem;
    }

    .question-card {
        padding: 2rem;
    }

    .question-text {
        font-size: 1.3rem;
    }

    .quiz-actions {
        flex-direction: column;
    }

    .action-btn {
        width: 100%;
    }

    .results-card {
        padding: 2rem;
    }

    .result-title {
        font-size: 1.5rem;
    }

    .result-score {
        font-size: 2.5rem;
    }

    .share-buttons {
        grid-template-columns: 1fr;
    }

    .screen {
        padding: 1rem;
    }
}

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

    .hero-stats {
        flex-direction: column;
        gap: 1rem;
    }

    .quiz-header {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }

    .progress-container {
        width: 100%;
    }

    .question-text {
        font-size: 1.2rem;
    }

    .result-actions {
        flex-direction: column;
    }
}