/* ===================================
   MAIA Demo - Responsive Design
   ================================== */

/* === Large Desktop (1440px+) === */
@media (min-width: 1440px) {
    :root {
        --font-size-base: 18px;
        --container-max-width: 1400px;
    }
    
    .hero-title {
        font-size: 6rem;
    }
}

/* === Desktop (1024px - 1439px) === */
@media (max-width: 1439px) {
    .hero-title {
        font-size: 4.5rem;
    }
}

/* === Tablet Landscape (768px - 1023px) === */
@media (max-width: 1023px) {
    :root {
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
    }
    
    .container {
        padding: 0 var(--spacing-md);
    }
    
    /* Navigation */
    .nav-links {
        gap: var(--spacing-sm);
        font-size: var(--font-size-sm);
    }
    
    /* Hero */
    .hero-title {
        font-size: 4rem;
    }
    
    .hero-subtitle {
        font-size: var(--font-size-xl);
    }
    
    .hero-meta {
        flex-direction: column;
        gap: var(--spacing-xs);
    }
    
    /* Motivation Section */
    .motivation-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .stat-boxes {
        grid-template-columns: repeat(3, 1fr);
    }
    
    /* Method Section */
    .method-step {
        grid-template-columns: 80px 1fr;
    }
    
    .step-number {
        font-size: 3rem;
    }
    
    .step-details {
        grid-template-columns: 1fr;
    }
    
    /* Demo Section */
    .audio-players-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .info-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    /* Results Section */
    .performance-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .charts-container {
        grid-template-columns: 1fr;
    }
    
    /* Resources Section */
    .application-cards {
        grid-template-columns: 1fr;
    }
}

/* === Tablet Portrait (481px - 767px) === */
@media (max-width: 767px) {
    :root {
        --font-size-base: 15px;
        --spacing-md: 1.5rem;
        --spacing-lg: 2.5rem;
        --spacing-xl: 3rem;
    }
    
    .section-padding {
        padding: var(--spacing-lg) 0;
    }
    
    /* Navigation */
    .navbar .container {
        padding: var(--spacing-xs) var(--spacing-sm);
    }
    
    .nav-links {
        display: none; /* Hide on mobile - would need hamburger menu */
    }
    
    .nav-brand {
        font-size: var(--font-size-lg);
    }
    
    /* Hero */
    .hero-title {
        font-size: 3rem;
    }
    
    .hero-subtitle {
        font-size: var(--font-size-lg);
    }
    
    .hero-description {
        font-size: var(--font-size-base);
    }
    
    .hero-meta {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-meta .separator {
        display: none;
    }
    
    /* Section Titles */
    .section-title {
        font-size: var(--font-size-2xl);
    }
    
    .section-subtitle {
        font-size: var(--font-size-base);
    }
    
    /* Motivation Section */
    .stat-boxes {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .approach-comparison {
        gap: var(--spacing-sm);
    }
    
    .key-insight {
        flex-direction: column;
        text-align: center;
    }
    
    /* Method Section */
    .method-step {
        grid-template-columns: 1fr;
        padding: var(--spacing-md);
    }
    
    .step-number {
        font-size: 2.5rem;
        text-align: left;
        margin-bottom: var(--spacing-sm);
    }
    
    .step-details {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .inpainting-comparison {
        flex-direction: column;
    }
    
    .arrow {
        transform: rotate(90deg);
    }
    
    /* Demo Section */
    .demo-container {
        padding: var(--spacing-md);
    }
    
    .info-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .player-controls {
        flex-wrap: wrap;
    }
    
    .btn-play {
        flex: 1 1 100%;
    }
    
    .volume-slider {
        flex: 1;
    }
    
    .time-display {
        flex: 1;
        text-align: left;
    }
    
    .btn-sync {
        padding: var(--spacing-sm);
        font-size: var(--font-size-sm);
    }
    
    /* Results Section */
    .performance-grid {
        grid-template-columns: 1fr;
    }
    
    .charts-container {
        grid-template-columns: 1fr;
    }
    
    .table-responsive {
        overflow-x: scroll;
    }
    
    .metrics-table {
        font-size: var(--font-size-sm);
    }
    
    .metrics-table th,
    .metrics-table td {
        padding: var(--spacing-xs);
    }
    
    /* Resources Section */
    .application-cards {
        grid-template-columns: 1fr;
    }
    
    .resource-link {
        flex-direction: column;
        text-align: center;
    }
    
    .link-arrow {
        display: none;
    }
}

/* === Mobile (320px - 480px) === */
@media (max-width: 480px) {
    :root {
        --font-size-base: 14px;
        --spacing-sm: 0.75rem;
        --spacing-md: 1rem;
        --spacing-lg: 2rem;
        --spacing-xl: 2.5rem;
    }
    
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    /* Hero */
    .hero-title {
        font-size: 2.5rem;
        letter-spacing: -1px;
    }
    
    .hero-subtitle {
        font-size: var(--font-size-base);
    }
    
    .hero-description {
        font-size: var(--font-size-sm);
    }
    
    .hero-meta {
        font-size: 0.75rem;
    }
    
    .authors {
        display: none; /* Hide authors on very small screens */
    }
    
    /* Section Titles */
    .section-title {
        font-size: var(--font-size-xl);
    }
    
    .section-subtitle {
        font-size: var(--font-size-sm);
    }
    
    /* Stat Boxes */
    .stat-box {
        padding: var(--spacing-sm);
    }
    
    .stat-number {
        font-size: var(--font-size-xl);
    }
    
    /* Method Steps */
    .method-step {
        padding: var(--spacing-sm);
    }
    
    .step-number {
        font-size: 2rem;
    }
    
    .detail-item {
        padding: var(--spacing-sm);
    }
    
    .formula {
        font-size: 0.7rem;
        padding: var(--spacing-xs);
    }
    
    /* Demo Section */
    .demo-container {
        padding: var(--spacing-sm);
    }
    
    .waveform {
        min-height: 80px;
    }
    
    .player-card {
        padding: var(--spacing-sm);
    }
    
    .player-card h3 {
        font-size: var(--font-size-base);
    }
    
    .btn-play {
        padding: 0.5rem 1rem;
        font-size: var(--font-size-sm);
    }
    
    .btn-sync {
        width: 100%;
        justify-content: center;
    }
    
    .info-card {
        padding: var(--spacing-sm);
    }
    
    .genre-label {
        font-size: var(--font-size-lg) !important;
    }
    
    .metrics-list {
        font-size: var(--font-size-sm);
    }
    
    /* Results Section */
    .perf-card {
        padding: var(--spacing-md);
    }
    
    .metric-value.large {
        font-size: 2rem;
    }
    
    .chart {
        min-height: 250px;
    }
    
    /* Resources Section */
    .app-icon {
        font-size: 2rem;
    }
    
    .citation-box {
        padding: var(--spacing-sm);
    }
    
    .citation-box pre {
        font-size: 0.7rem;
        overflow-x: scroll;
    }
    
    .btn-copy {
        position: static;
        width: 100%;
        margin-top: var(--spacing-sm);
    }
}

/* === Extra Small Mobile (< 360px) === */
@media (max-width: 359px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .stat-boxes {
        font-size: var(--font-size-sm);
    }
    
    .method-step {
        gap: var(--spacing-sm);
    }
    
    .waveform {
        min-height: 60px;
    }
}

/* === Landscape Orientation === */
@media (max-height: 600px) and (orientation: landscape) {
    .hero-section {
        min-height: auto;
        padding: var(--spacing-lg) 0;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .scroll-indicator {
        display: none;
    }
}

/* === Touch Device Optimizations === */
@media (hover: none) and (pointer: coarse) {
    /* Increase tap target sizes */
    .btn-play,
    .btn-sync,
    .region-marker {
        min-height: 44px;
        min-width: 44px;
    }
    
    .nav-links a {
        padding: var(--spacing-sm);
    }
    
    /* Remove hover effects */
    .hover-lift:hover,
    .hover-scale:hover {
        transform: none;
    }
    
    /* Simplify animations */
    .floating,
    .pulse {
        animation: none;
    }
}

/* === Print Styles === */
@media print {
    * {
        background: white !important;
        color: black !important;
    }
    
    .navbar,
    .scroll-indicator,
    .btn-play,
    .btn-sync,
    .player-controls,
    footer {
        display: none !important;
    }
    
    .hero-section {
        min-height: auto;
        padding: 2cm 0;
        background: none !important;
    }
    
    #particles-canvas {
        display: none;
    }
    
    section {
        page-break-inside: avoid;
    }
    
    .section-padding {
        padding: 1cm 0;
    }
    
    .waveform {
        border: 1px solid #333;
        min-height: 3cm;
    }
}

/* === High Contrast Mode === */
@media (prefers-contrast: high) {
    :root {
        --color-border: #000;
        --color-shadow: rgba(0, 0, 0, 0.3);
    }
    
    .btn-play,
    .btn-sync {
        border: 2px solid #000;
    }
    
    .waveform {
        border: 2px solid #000;
    }
}

/* === Reduced Motion === */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    
    .floating,
    .pulse,
    .rotating,
    .bounce {
        animation: none !important;
    }
}

/* === Dark Mode === */
@media (prefers-color-scheme: dark) {
    :root {
        --color-bg: #1a1a1a;
        --color-bg-dark: #0a0a0a;
        --color-text: #f8f9fa;
        --color-text-light: #adb5bd;
        --color-border: #343a40;
        --color-shadow: rgba(0, 0, 0, 0.5);
    }
    
    body {
        background: var(--color-bg);
        color: var(--color-text);
    }
    
    .navbar {
        background: rgba(26, 26, 26, 0.95);
    }
    
    .motivation-section,
    .demo-section,
    .resources-section {
        background: #0a0a0a;
    }
    
    .method-section,
    .results-section {
        background: #1a1a1a;
    }
    
    .player-card,
    .info-card,
    .perf-card,
    .chart-card,
    .method-step,
    .app-card,
    .comparison-card {
        background: #2c2c2c;
        color: var(--color-text);
    }
    
    .waveform,
    .demo-container,
    .attack-info-panel,
    .regions-timeline {
        background: #1a1a1a;
    }
    
    .citation-box {
        background: #2c2c2c;
    }
    
    .metrics-table th {
        background: #343a40;
    }
    
    .approach-tag {
        background: #343a40;
    }
}

/* === Accessibility Improvements === */
@media screen and (min-width: 1024px) {
    /* Skip to content link for keyboard users */
    .skip-to-content {
        position: absolute;
        top: -40px;
        left: 0;
        background: var(--color-primary);
        color: white;
        padding: 8px;
        text-decoration: none;
        z-index: 100;
    }
    
    .skip-to-content:focus {
        top: 0;
    }
}

/* === Container Queries (Future-proofing) === */
@supports (container-type: inline-size) {
    .demo-container {
        container-type: inline-size;
    }
    
    @container (max-width: 600px) {
        .audio-players-grid {
            grid-template-columns: 1fr;
        }
    }
}

/* === Grid Layout Fallbacks === */
@supports not (display: grid) {
    .motivation-grid,
    .audio-players-grid,
    .info-grid,
    .performance-grid,
    .charts-container,
    .application-cards {
        display: flex;
        flex-wrap: wrap;
    }
    
    .motivation-grid > *,
    .audio-players-grid > *,
    .info-grid > *,
    .performance-grid > *,
    .charts-container > *,
    .application-cards > * {
        flex: 1 1 300px;
        margin: var(--spacing-sm);
    }
}

/* === Flexbox Fallbacks === */
@supports not (display: flex) {
    .player-controls,
    .hero-meta,
    .metric-row {
        display: block;
    }
    
    .player-controls > * {
        display: inline-block;
        margin: var(--spacing-xs);
    }
}