/* ABOUTME: Styles for individual paper detail pages
   ABOUTME: Provides layout and styling for paper sections, figures, and media */

/* Paper Header Section */
.paper-header {
    margin-top: 80px;
    padding: 60px 0;
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
    border-bottom: 1px solid var(--border-color);
}

.paper-title-section {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.paper-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
    line-height: 1.3;
}

.paper-authors {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.paper-venue {
    font-size: 1.125rem;
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 2rem;
}

.paper-links {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.paper-link-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background-color: var(--primary-color);
    color: white;
    text-decoration: none;
    border-radius: 30px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.paper-link-btn:hover {
    background-color: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

/* Paper Content */
.paper-content {
    padding: 60px 0;
    background-color: var(--bg-primary);
}

.paper-section {
    max-width: 900px;
    margin: 0 auto 60px;
    padding: 0 20px;
}

.section-heading {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--border-color);
}

.subsection-heading {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.abstract-text {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--text-secondary);
    text-align: justify;
}

.section-text {
    font-size: 1.0625rem;
    line-height: 1.7;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
}

/* Figures and Images */
.figure-container {
    margin: 2rem 0;
    text-align: center;
}

.figure-container img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: var(--shadow);
    background-color: var(--bg-secondary);
    padding: 1rem;
}

.figure-caption {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-top: 1rem;
    font-style: italic;
}

/* Results Grid */
.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.result-item {
    text-align: center;
}

.result-item img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

/* Demo Section */
.demo-subsection {
    margin-bottom: 3rem;
}

/* Audio Samples */
.audio-samples {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 1rem;
}

.audio-sample {
    background-color: var(--bg-secondary);
    padding: 1.5rem;
    border-radius: 8px;
    text-align: center;
}

.sample-label {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

audio {
    width: 100%;
    max-width: 300px;
}

/* Demo Container */
.demo-container {
    background-color: var(--bg-secondary);
    padding: 2rem;
    border-radius: 8px;
    text-align: center;
    margin-top: 1rem;
}

.demo-link-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    background-color: var(--primary-color);
    color: white;
    text-decoration: none;
    border-radius: 30px;
    font-weight: 600;
    font-size: 1.125rem;
    margin-top: 1rem;
    transition: all 0.3s ease;
}

.demo-link-btn:hover {
    background-color: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Video Container */
.video-container {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    height: 0;
    overflow: hidden;
    margin-top: 1rem;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* Citation Box */
.citation-box {
    background-color: var(--bg-secondary);
    padding: 1.5rem;
    border-radius: 8px;
    position: relative;
    margin-top: 1rem;
}

.citation-box pre {
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    line-height: 1.4;
    overflow-x: auto;
    white-space: pre-wrap;
    word-wrap: break-word;
    margin: 0;
}

.copy-citation-btn {
    position: absolute;
    top: 1rem;
    right: 1rem;
    padding: 0.5rem 1rem;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.copy-citation-btn:hover {
    background-color: var(--secondary-color);
}

/* Responsive Design */
@media (max-width: 768px) {
    .paper-title {
        font-size: 1.75rem;
    }

    .section-heading {
        font-size: 1.5rem;
    }

    .subsection-heading {
        font-size: 1.25rem;
    }

    .paper-links {
        gap: 0.5rem;
    }

    .paper-link-btn {
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
    }

    .results-grid {
        grid-template-columns: 1fr;
    }

    .audio-samples {
        grid-template-columns: 1fr;
    }

    .copy-citation-btn {
        position: static;
        display: block;
        margin-top: 1rem;
        width: 100%;
    }
}

/* Print Styles */
@media print {
    .navbar, .footer, .paper-links, .copy-citation-btn, audio, video, iframe {
        display: none;
    }

    .paper-header {
        margin-top: 0;
        background: none;
        border-bottom: 2px solid #000;
    }

    .figure-container img {
        box-shadow: none;
        border: 1px solid #ddd;
    }
}