/* Base Styles */
:root {
    --ai-color: #6e48aa;
    --human-color: #22a699;
    --dark-bg: #1a1a2e;
    --darker-bg: #16213e;
    --card-bg: #0f3460;
    --text-light: #f8f8f8;
    --text-secondary: #e1e1e1;
    --accent-color: #e94560;
}

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

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

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Typography */
h1, h2, h3, h4 {
    margin-bottom: 0.8em;
    line-height: 1.2;
}

h1 {
    font-size: 3.5rem;
    text-align: center;
}

h2 {
    font-size: 2.2rem;
    position: relative;
    margin-bottom: 1.5rem;
}

h2::after {
    content: '';
    position: absolute;
    bottom: -0.5rem;
    left: 0;
    width: 80px;
    height: 4px;
    background: var(--accent-color);
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: 1rem;
}

.section-intro {
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

.highlight-ai {
    color: var(--ai-color);
    text-shadow: 0 0 10px rgba(110, 72, 170, 0.5);
}

.highlight-human {
    color: var(--human-color);
    text-shadow: 0 0 10px rgba(34, 166, 153, 0.5);
}

/* Header & Navigation */
header {
    background-color: var(--darker-bg);
    padding: 4rem 0 2rem;
    text-align: center;
}

.tagline {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 0;
}

nav {
    background-color: rgba(15, 52, 96, 0.95);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

nav ul {
    display: flex;
    justify-content: center;
    list-style: none;
    padding: 1rem 0;
}

nav li {
    margin: 0 1rem;
}

nav a {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    transition: all 0.3s ease;
}

nav a:hover {
    background-color: rgba(233, 69, 96, 0.2);
    color: var(--accent-color);
}

/* Sections */
section {
    padding: 4rem 0;
}

section:nth-child(even) {
    background-color: var(--darker-bg);
}

.two-column {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.column {
    flex: 1;
}

/* Introduction Section */
.image-container {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    height: 300px;
}

.image-side {
    width: 45%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    transition: transform 0.3s ease;
}

.image-side i {
    font-size: 8rem;
    opacity: 0.8;
}

.image-side:hover {
    transform: scale(1.05);
}

.ai-side {
    background: linear-gradient(135deg, #6e48aa 0%, #9d50bb 100%);
}

.human-side {
    background: linear-gradient(135deg, #22a699 0%, #4de3c5 100%);
}

.vs {
    position: absolute;
    background-color: var(--accent-color);
    color: white;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.4rem;
    border-radius: 50%;
    z-index: 1;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

/* Comparison Section */
.comparison-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(500px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.card {
    background-color: var(--card-bg);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease;
}

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

.card-header {
    background-color: rgba(0, 0, 0, 0.2);
    padding: 1.5rem;
    display: flex;
    align-items: center;
}

.card-header i {
    font-size: 1.8rem;
    margin-right: 1rem;
    color: var(--accent-color);
}

.card-header h3 {
    margin-bottom: 0;
}

.card-body {
    padding: 1.5rem;
}

.compare-item {
    margin-bottom: 1.5rem;
    padding: 1rem;
    border-radius: 6px;
}

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

.compare-item h4 {
    display: flex;
    align-items: center;
    margin-bottom: 0.5rem;
}

.compare-item h4 i {
    margin-right: 0.5rem;
}

.compare-item.ai {
    background-color: rgba(110, 72, 170, 0.2);
    border-left: 4px solid var(--ai-color);
}

.compare-item.ai h4 i {
    color: var(--ai-color);
}

.compare-item.human {
    background-color: rgba(34, 166, 153, 0.2);
    border-left: 4px solid var(--human-color);
}

.compare-item.human h4 i {
    color: var(--human-color);
}

/* Quiz Section */
.quiz-container {
    background-color: var(--card-bg);
    border-radius: 8px;
    max-width: 800px;
    margin: 2rem auto 0;
    padding: 2rem;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.quiz-panel {
    display: none;
    text-align: center;
}

.quiz-panel.active {
    display: block;
}

.question-counter {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

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

.question-media {
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 6px;
    padding: 1.5rem;
    margin: 1.5rem 0;
    min-height: 150px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
}

.question-media p.poem, .question-media p.story {
    font-style: italic;
    line-height: 1.8;
    text-align: left;
}

.question-media img.painting {
    max-width: 100%;
    max-height: 300px;
    border-radius: 4px;
}

.question-media .music {
    width: 100%;
}

.answer-buttons {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
}

.btn {
    background-color: var(--accent-color);
    color: white;
    border: none;
    padding: 0.8rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
}

.btn i {
    margin-left: 0.5rem;
}

.btn:hover {
    background-color: #d03651;
    transform: translateY(-2px);
}

.answer-btn {
    width: 140px;
}

.answer-btn.ai {
    background-color: var(--ai-color);
}

.answer-btn.ai:hover {
    background-color: #5a3a8c;
}

.answer-btn.human {
    background-color: var(--human-color);
}

.answer-btn.human:hover {
    background-color: #1c867c;
}

.feedback-result {
    font-size: 1.5rem;
    font-weight: bold;
    margin-bottom: 1rem;
}

.feedback-result.correct {
    color: #4caf50;
}

.feedback-result.incorrect {
    color: #f44336;
}

.feedback-explanation {
    background-color: rgba(255, 255, 255, 0.05);
    padding: 1.5rem;
    border-radius: 6px;
    margin-bottom: 1.5rem;
    text-align: left;
}

.results-summary {
    background-color: rgba(255, 255, 255, 0.05);
    padding: 2rem;
    border-radius: 6px;
    margin: 1rem 0 2rem;
}

.results-summary p {
    font-size: 1.3rem;
    font-weight: bold;
    margin-bottom: 1rem;
}

/* Resources Section */
.resources-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.resource-item {
    background-color: var(--card-bg);
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

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

.resource-item i {
    font-size: 2rem;
    color: var(--accent-color);
    margin-bottom: 1rem;
}

.resource-item ul {
    list-style-position: inside;
    margin-top: 1rem;
}

.resource-item li {
    margin-bottom: 0.5rem;
}

/* Footer */
footer {
    background-color: var(--darker-bg);
    padding: 2rem 0;
    text-align: center;
}

.copyright {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 0.5rem;
}

/* Responsive Design */
@media (max-width: 900px) {
    h1 {
        font-size: 2.5rem;
    }

    h2 {
        font-size: 1.8rem;
    }

    .comparison-cards {
        grid-template-columns: 1fr;
    }

    .two-column {
        flex-direction: column;
    }
}

@media (max-width: 600px) {
    nav ul {
        flex-direction: column;
        align-items: center;
    }

    nav li {
        margin: 0.5rem 0;
    }

    h1 {
        font-size: 2rem;
    }

    .answer-buttons {
        flex-direction: column;
        gap: 1rem;
    }

    .answer-btn {
        width: 100%;
    }
}