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

:root {
    /* Color Palette */
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary-color: #22d3ee;
    --accent-color: #f59e0b;
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --text-light: #9ca3af;
    --bg-primary: #ffffff;
    --bg-secondary: #f9fafb;
    --bg-dark: #111827;
    --bg-dark-secondary: #1f2937;
    --border-color: #e5e7eb;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', Consolas, monospace;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;

    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-normal: 300ms ease-in-out;
    --transition-slow: 500ms ease-in-out;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    overflow-x: hidden;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}


/* Hero Section */
.hero {
    padding: var(--spacing-xl) 0 var(--spacing-xl);
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
    position: relative;
    overflow: hidden;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, var(--primary-light) 0%, transparent 50%);
    opacity: 0.1;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: grid;
    grid-template-columns: 2.8fr 3.2fr;
    gap: var(--spacing-xl);
    align-items: start;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 2.8rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--primary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
}

.hero-actions {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    margin: var(--spacing-sm) 0;
}

/* Hero Abstract */
.hero-abstract {
    margin: var(--spacing-lg) 0;
    width: 100%;
}

.hero-abstract-text {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--text-secondary);
    margin: 0;
    text-align: justify;
}

/* Hero Authors */
.hero-authors {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

.hero-authors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.hero-author {
    text-align: center;
    padding: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.5);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    transition: all var(--transition-normal);
}

.hero-author:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    background: rgba(255, 255, 255, 0.8);
}

.hero-author h4 {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: var(--text-primary);
}

.hero-author p {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin: 0.125rem 0;
    line-height: 1.3;
}

/* Compact Hero Authors */
.hero-authors-compact {
    margin-bottom: var(--spacing-md);
}

.hero-authors-grid-compact {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xs);
}

.hero-author-compact {
    text-align: left;
    padding: var(--spacing-xs);
    background: rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    transition: all var(--transition-normal);
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: var(--spacing-xs);
}

.hero-author-compact:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
    background: rgba(255, 255, 255, 0.6);
}

/* Author Avatar Styling */
.author-avatar {
    margin-right: var(--spacing-xs);
    flex-shrink: 0;
    transition: all var(--transition-normal);
}

.author-avatar img {
    border-radius: 50%;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.08);
    transition: all var(--transition-normal);
    width: 32px;
    height: 32px;
    object-fit: cover;
    object-position: center;
}

.hero-author-compact:hover .author-avatar img {
    transform: scale(1.05);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12);
}

.hero-author-compact h4 {
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: 0.125rem;
    color: var(--text-primary);
    line-height: 1.2;
}

.hero-author-compact p {
    font-size: 0.6rem;
    color: var(--text-secondary);
    margin: 0.0625rem 0;
    line-height: 1.1;
}

.hero-visual {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-lg);
}

.plot-animation {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.hero-plot {
    width: 100%;
    height: auto;
    max-height: 500px;
    object-fit: contain;
    border-radius: var(--radius-md);
    transition: transform var(--transition-normal);
}

.hero-plot:hover {
    transform: scale(1.02);
}

.plot-caption {
    text-align: center;
    margin-top: var(--spacing-sm);
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-normal);
    font-size: 1rem;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left var(--transition-slow);
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: var(--bg-primary);
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

/* Sections */
.section {
    padding: var(--spacing-2xl) 0;
}

.section-dark {
    background: var(--bg-dark);
    color: white;
}

.section-dark .text-secondary {
    color: var(--text-light);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--primary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-dark .section-title {
    background: linear-gradient(135deg, white 0%, var(--primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    text-align: center;
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Abstract Section */
.abstract-content {
    max-width: 800px;
    margin: 0 auto var(--spacing-xl);
}

.abstract-text {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.authors-section {
    max-width: 800px;
    margin: 0 auto;
}

.authors-section h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.authors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.author-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    transition: all var(--transition-normal);
}

.author-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.author-avatar {
    width: 40px;
    height: 40px;
    background: var(--primary-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.author-info h4 {
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.author-info p {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Demo Section */
.demo-container {
    max-width: 1200px;
    margin: 0 auto;
}

/* Dataset Sections */
.dataset-section {
    margin-bottom: var(--spacing-xl);
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    transition: all var(--transition-normal);
}

.section-dark .dataset-section {
    background: var(--bg-dark-secondary);
    border: 1px solid rgba(99, 102, 241, 0.2);
}

.dataset-header {
    padding: var(--spacing-lg);
    cursor: pointer;
    user-select: none;
    transition: all var(--transition-normal);
    border-bottom: 1px solid transparent;
}

.dataset-header:hover {
    background: rgba(99, 102, 241, 0.05);
}

.section-dark .dataset-header:hover {
    background: rgba(99, 102, 241, 0.1);
}

.dataset-header.expanded {
    border-bottom-color: var(--border-color);
}

.dataset-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    transition: all var(--transition-normal);
}

.section-dark .dataset-title {
    color: var(--primary-light);
}

.collapse-icon {
    font-size: 1.2rem;
    transition: transform var(--transition-normal);
    display: inline-block;
}

.dataset-header.expanded .collapse-icon {
    transform: rotate(90deg);
}

.dataset-description {
    font-size: 1rem;
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.6;
}

.dataset-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow) ease-in-out;
}

.dataset-content.expanded {
    max-height: 5000px; /* Large enough to accommodate all content */
}

/* Speaker Sections */
.speaker-section {
    margin: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-normal);
}

.section-dark .speaker-section {
    background: rgba(31, 41, 55, 0.8);
    border: 1px solid rgba(99, 102, 241, 0.1);
}

.speaker-header {
    padding: var(--spacing-md);
    cursor: pointer;
    user-select: none;
    transition: all var(--transition-normal);
    border-bottom: 1px solid transparent;
}

.speaker-header:hover {
    background: rgba(99, 102, 241, 0.03);
}

.section-dark .speaker-header:hover {
    background: rgba(99, 102, 241, 0.08);
}

.speaker-header.expanded {
    border-bottom-color: var(--border-color);
}

.speaker-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 0;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    transition: all var(--transition-normal);
}

.section-dark .speaker-title {
    color: #f3f4f6;
}

.speaker-title .collapse-icon {
    font-size: 1rem;
    transition: transform var(--transition-normal);
}

.speaker-header.expanded .speaker-title .collapse-icon {
    transform: rotate(90deg);
}

.speaker-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow) ease-in-out;
}

.speaker-content.expanded {
    max-height: 4000px; /* Large enough to accommodate all audio tracks */
}

/* Audio Grid within Speaker Sections */
.speaker-audio-grid {
    padding: var(--spacing-md);
}

.demo-example {
    margin-bottom: var(--spacing-2xl);
    padding: var(--spacing-lg);
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.section-dark .demo-example {
    background: var(--bg-dark-secondary);
}

.demo-example h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-lg);
    color: var(--primary-color);
}

.example-description {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

/* WHAM Audio Grid - Vertical Layout */
.wham-audio-grid {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.wham-audio-track {
    background: var(--bg-secondary);
    padding: var(--spacing-md);
    border: none;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    display: grid;
    grid-template-columns: 1fr 2.5fr; /* New 2-column layout with wider spectrogram */
    gap: var(--spacing-md);
    min-height: 173px; /* Match spectrogram height */
    align-items: stretch;
}

.section-dark .wham-audio-track {
    background: var(--bg-dark-secondary);
}

.wham-audio-track:hover {
    transform: translateY(-1px);
}

.wham-audio-track.playing {
    background: linear-gradient(135deg, var(--bg-dark-secondary) 0%, rgba(99, 102, 241, 0.1) 100%);
}

.wham-audio-track.ours {
    background: linear-gradient(135deg, var(--bg-dark-secondary) 0%, rgba(99, 102, 241, 0.15) 100%);
}

.wham-audio-track.ground-truth {
    background: linear-gradient(135deg, var(--bg-dark-secondary) 0%, rgba(16, 185, 129, 0.15) 100%);
}

/* Column Layout for Vertical Audio Tracks */
.info-column {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 100%;
    min-height: 173px;
}

.waveform-column {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    min-height: 173px;
}

.spectrogram-column {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    min-height: 173px;
}

.method-header {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

/* New layout for merged info and waveform column */
.info-waveform-column {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    height: 100%;
    min-height: 173px;
}

.method-label-row {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
}

.method-controls-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
}

.waveform-section {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    flex: 1;
}

.method-name {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.section-dark .method-name {
    color: #f3f4f6;
}

.method-badge {
    font-size: 0.7rem;
    padding: 0.3rem 0.6rem;
    border-radius: var(--radius-sm);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.method-badge.original {
    display: none; /* Hide all badges except Ours */
}

.method-badge.sgmse {
    display: none; /* Hide all badges except Ours */
}

.method-badge.sam {
    display: none; /* Hide all badges except Ours */
}

.method-badge.ours {
    background: linear-gradient(135deg, #6366f1, #4f46e5);
    color: white;
}

.method-badge.ground-truth {
    display: none; /* Hide all badges except Ours */
}

.method-description {
    display: none; /* Hide method descriptions for compact design */
}

.wham-waveform-container {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.wham-waveform-canvas {
    width: 100%;
    height: 55px;
    background: var(--bg-primary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.06);
}

.wham-spectrogram-container {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.wham-spectrogram-canvas {
    width: 100%;
    height: 173px;
    background: var(--bg-primary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.06);
}

.wham-audio-controls {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
}

.wham-play-btn {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    border: none;
    padding: 0.5rem;
    border-radius: 50%;
    cursor: pointer;
    font-weight: 700;
    font-size: 1rem;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    box-shadow: 0 2px 4px rgba(99, 102, 241, 0.25);
    position: relative;
    overflow: hidden;
}

.wham-play-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left var(--transition-slow);
}

.wham-play-btn:hover::before {
    left: 100%;
}

.wham-play-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(99, 102, 241, 0.35);
}

.wham-play-btn:active {
    transform: translateY(0);
}

.wham-play-btn.playing {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    box-shadow: 0 4px 6px rgba(239, 68, 68, 0.25);
}

.wham-play-btn.playing:hover {
    box-shadow: 0 6px 12px rgba(239, 68, 68, 0.35);
}

.wham-audio-info {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 4px;
}

.wham-audio-duration {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
    background: var(--bg-primary);
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    min-width: 60px;
    text-align: center;
}

.section-dark .wham-audio-duration {
    background: var(--bg-dark);
    color: #f3f4f6;
    border-color: #374151;
}


/* Compact Audio Controls */
.compact-audio-controls {
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm) 0;
}

.btn-compact {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-xs) var(--spacing-sm);
    border: 1px solid var(--primary-color);
    border-radius: var(--radius-md);
    background: var(--bg-primary);
    color: var(--primary-color);
    font-size: 0.875rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.section-dark .btn-compact {
    background: var(--bg-dark-secondary);
    border-color: var(--primary-light);
    color: var(--primary-light);
}

.btn-compact:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-compact:active {
    transform: translateY(0);
}

.btn-compact:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* Comparison Controls (Legacy - kept for backward compatibility) */
.comparison-controls {
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    border: 1px solid var(--border-color);
    margin-top: var(--spacing-lg);
}

.section-dark .comparison-controls {
    background: var(--bg-dark-secondary);
}

.comparison-controls h4 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
    color: var(--primary-color);
}

.control-buttons {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
}

.comparison-info {
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
}

.method-legend {
    display: none; /* Hide badges legend for compact design */
}

.legend-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.legend-color {
    width: 12px;
    height: 12px;
    border-radius: 2px;
    border: 1px solid rgba(0, 0, 0, 0.1);
}


/* Loading States */
.wham-audio-track.loading {
    opacity: 0.6;
    pointer-events: none;
}

.loading-spinner {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-color);
    border-top: 2px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Progress Bar */
.audio-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 3px;
    background: var(--primary-color);
    border-radius: 0 0 0 var(--radius-md);
    transition: width var(--transition-fast);
    z-index: 1;
}

/* Responsive Design for WHAM Grid - New 2-Column Layout */
@media (max-width: 768px) {
    .wham-audio-grid {
        gap: var(--spacing-md);
    }

    .wham-audio-track {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
        min-height: auto;
        padding: var(--spacing-md);
    }

    .info-column,
    .waveform-column,
    .spectrogram-column,
    .info-waveform-column {
        min-height: auto;
    }

    .method-label-row {
        margin-bottom: var(--spacing-sm);
    }

    .method-controls-row {
        margin-bottom: var(--spacing-sm);
    }

    .wham-audio-controls {
        width: 100%;
        justify-content: space-between;
    }

    .method-name {
        font-size: 1.1rem;
        line-height: 1.3;
    }

    .method-description {
        font-size: 0.85rem;
        line-height: 1.4;
        margin-bottom: var(--spacing-md);
    }

    .wham-play-btn {
        min-width: 100px;
        padding: var(--spacing-sm) var(--spacing-lg);
    }

    .control-buttons {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .method-legend {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }

    .comparison-mode .wham-audio-track {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .comparison-mode .method-header-row {
        align-items: center;
    }

    .comparison-mode .wham-waveform-container,
    .comparison-mode .wham-spectrogram-container,
    .comparison-mode .wham-audio-controls {
        grid-column: 1;
    }

    .wham-spectrogram-container::after {
        font-size: 0.7rem;
        top: 6px;
        left: 6px;
    }
}

@media (max-width: 480px) {
    .wham-audio-track {
        padding: var(--spacing-sm);
        gap: var(--spacing-sm);
    }

    .method-header-row {
        gap: var(--spacing-xs);
    }

    .method-name {
        font-size: 1rem;
    }

    .method-badge {
        font-size: 0.65rem;
        padding: 0.25rem 0.5rem;
    }

    .method-description {
        font-size: 0.8rem;
        line-height: 1.3;
    }

    .wham-waveform-canvas {
        height: 50px;
    }

    .wham-spectrogram-canvas {
        height: 120px;
    }

    .wham-play-btn {
        min-width: 90px;
        font-size: 0.85rem;
        padding: var(--spacing-xs) var(--spacing-sm);
    }

    .wham-audio-duration {
        font-size: 0.8rem;
        min-width: 55px;
    }

    .wham-spectrogram-container::after {
        font-size: 0.65rem;
        top: 4px;
        left: 4px;
    }
}

/* Enhanced focus states for accessibility */
.wham-play-btn:focus-visible {
    outline: 3px solid var(--primary-color);
    outline-offset: 2px;
}

.wham-play-btn:focus-visible::before {
    display: none;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .method-name {
        color: #000000;
    }

    .section-dark .method-name {
        color: #ffffff;
    }

    .method-description {
        color: #000000;
    }

    .section-dark .method-description {
        color: #ffffff;
    }

    .wham-audio-duration {
        border-width: 2px;
        font-weight: 700;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    .wham-play-btn::before {
        display: none;
    }

    .wham-play-btn:hover {
        transform: none;
    }

    .wham-audio-track:hover {
        transform: none;
    }

    .wham-audio-track.playing {
        animation: none;
    }
}

/* Dark mode enhancements */
@media (prefers-color-scheme: dark) {
    .wham-waveform-canvas,
    .wham-spectrogram-canvas {
        background: #1f2937;
        border-color: #374151;
    }

    .wham-audio-duration {
        background: #1f2937;
        color: #f3f4f6;
        border-color: #374151;
    }
}

.audio-comparison {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: var(--spacing-md);
    align-items: center;
}

.audio-track {
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

.section-dark .audio-track {
    background: var(--bg-dark);
    border-color: var(--border-color);
}

.audio-track h4 {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.waveform-container {
    margin-bottom: var(--spacing-sm);
}

.waveform-canvas {
    width: 100%;
    height: 100px;
    background: var(--bg-primary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.spectrogram-container {
    margin-bottom: var(--spacing-sm);
}

.spectrogram-canvas {
    width: 100%;
    height: 150px;
    background: var(--bg-primary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.audio-controls {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.play-btn {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-weight: 600;
    transition: all var(--transition-fast);
}

.play-btn:hover {
    background: var(--primary-dark);
    transform: scale(1.05);
}

.audio-info {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.audio-label {
    font-weight: 600;
    font-size: 0.875rem;
}

.audio-duration {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.comparison-arrow {
    font-size: 2rem;
    color: var(--primary-color);
    font-weight: bold;
}




/* Resources Section */
.resources-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.resource-card {
    background: var(--bg-secondary);
    padding: var(--spacing-lg);
    border-radius: var(--radius-xl);
    text-align: center;
    border: 1px solid var(--border-color);
    transition: all var(--transition-normal);
}

.resource-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.resource-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.resource-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
    color: var(--primary-color);
}

.resource-card p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.resource-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.citation-section {
    max-width: 800px;
    margin: 0 auto;
}

.citation-section h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    text-align: center;
    color: var(--primary-color);
}

.citation-box {
    background: var(--bg-secondary);
    padding: var(--spacing-lg);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-color);
    position: relative;
}

.citation-box pre {
    background: var(--bg-primary);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    overflow-x: auto;
    font-family: var(--font-mono);
    font-size: 0.875rem;
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.citation-box button {
    width: 100%;
}

/* Footer */
.footer {
    background: var(--bg-dark);
    color: white;
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-section h4 {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-sm);
    color: var(--primary-light);
}

.footer-section p {
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: var(--spacing-sm);
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: var(--spacing-xs);
}

.footer-section ul li a {
    color: var(--text-light);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-section ul li a:hover {
    color: var(--primary-light);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
    color: var(--text-light);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero {
        min-height: auto;
        padding: var(--spacing-lg) 0 var(--spacing-lg);
    }

    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-lg);
    }

    .hero-title {
        font-size: 2.2rem;
        margin-bottom: var(--spacing-sm);
        line-height: 1.1;
    }

    .hero-abstract {
        margin: var(--spacing-md) 0;
        max-width: 100%;
    }

    .hero-abstract-text {
        font-size: 0.95rem;
        line-height: 1.6;
        text-align: left;
    }

    .hero-actions {
        justify-content: center;
        margin-top: var(--spacing-md);
    }

    .hero-authors {
        margin-top: var(--spacing-lg);
        padding-top: var(--spacing-md);
    }

    .hero-authors-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: var(--spacing-sm);
    }

    .hero-author {
        padding: var(--spacing-xs);
    }

    .hero-author h4 {
        font-size: 0.9rem;
    }

    .hero-author p {
        font-size: 0.7rem;
    }

    .hero-plot {
        max-height: 300px;
    }

    .plot-animation {
        padding: var(--spacing-md);
    }

    /* Compact Authors Responsive */
    .hero-authors-compact {
        margin-bottom: var(--spacing-md);
    }

    .hero-authors-grid-compact {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-xs);
    }

    .hero-author-compact {
        padding: var(--spacing-xs);
    }

    .author-avatar img {
        width: 32px;
        height: 32px;
    }

    .hero-author-compact h4 {
        font-size: 0.7rem;
    }

    .hero-author-compact p {
        font-size: 0.55rem;
    }

    /* Dataset Sections Responsive */
    .dataset-section {
        margin-bottom: var(--spacing-lg);
    }

    .dataset-header {
        padding: var(--spacing-md);
    }

    .dataset-title {
        font-size: 1.25rem;
        gap: var(--spacing-xs);
    }

    .collapse-icon {
        font-size: 1rem;
    }

    .dataset-description {
        font-size: 0.9rem;
    }

    /* Speaker Sections Responsive */
    .speaker-section {
        margin: var(--spacing-sm);
    }

    .speaker-header {
        padding: var(--spacing-sm);
    }

    .speaker-title {
        font-size: 1.1rem;
        gap: var(--spacing-xs);
    }

    .speaker-title .collapse-icon {
        font-size: 0.9rem;
    }

    .speaker-audio-grid {
        padding: var(--spacing-sm);
    }

    .audio-comparison {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .comparison-arrow {
        transform: rotate(90deg);
        text-align: center;
    }

    .metrics-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }

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

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }

    .hero-title {
        font-size: 1.8rem;
        line-height: 1.1;
    }

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

    .section-title {
        font-size: 2rem;
    }

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

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

    .hero-plot {
        max-height: 250px;
    }

    .plot-animation {
        padding: var(--spacing-sm);
    }

    .plot-caption {
        font-size: 0.75rem;
    }

    .hero-authors-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xs);
    }

    .hero-author {
        padding: var(--spacing-xs);
    }

    .hero-author h4 {
        font-size: 0.65rem;
    }

    .hero-author p {
        font-size: 0.5rem;
    }

    /* Compact Authors Mobile */
    .hero-authors-compact {
        margin-bottom: var(--spacing-sm);
    }

    .hero-authors-grid-compact {
        grid-template-columns: 1fr;
        gap: var(--spacing-xs);
    }

    .hero-author-compact {
        padding: var(--spacing-xs);
        flex-direction: row;
        text-align: left;
        align-items: center;
    }

    .author-avatar {
        margin-right: var(--spacing-xs);
        flex-shrink: 0;
    }

    .author-avatar img {
        width: 28px;
        height: 28px;
    }

    .hero-author-compact h4 {
        font-size: 0.65rem;
    }

    .hero-author-compact p {
        font-size: 0.5rem;
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Utility Classes */
.fade-in-up {
    animation: fadeInUp 0.8s ease-out;
}

.pulse {
    animation: pulse 2s infinite;
}

.slide-in-left {
    animation: slideInLeft 0.8s ease-out;
}

.slide-in-right {
    animation: slideInRight 0.8s ease-out;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}

/* Focus States */
.btn:focus,
.play-btn:focus,
input:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Print Styles */
@media print {
    .navbar,
    .hero-actions,
    .demo-controls,
    .footer {
        display: none;
    }

    .hero {
        padding-top: var(--spacing-lg);
    }

    .section {
        page-break-inside: avoid;
    }
}