/* ======================================
   Neuro-DJ Speech Analyzer - Dark Neuro Theme
   ====================================== */

:root {
    /* Color Palette */
    --bg-primary: #0a0e1a;
    --bg-secondary: #131829;
    --bg-card: #1a1f35;
    --bg-elevated: #242b47;
    
    --accent-cyan: #00d9ff;
    --accent-purple: #a855f7;
    --accent-pink: #ec4899;
    --accent-green: #10b981;
    --accent-orange: #f59e0b;
    --accent-red: #ef4444;
    
    --text-primary: #e2e8f0;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    /* State Colors */
    --state-baseline: #10b981;
    --state-fatigue: #f59e0b;
    --state-anxiety: #ef4444;
    --state-depression: #6366f1;
    --state-dopamine: #a855f7;
    
    /* Shadows & Glows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.5);
    --glow-cyan: 0 0 20px rgba(0, 217, 255, 0.5);
    --glow-purple: 0 0 20px rgba(168, 85, 247, 0.5);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
}

/* ======================================
   Reset & Base Styles
   ====================================== */

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, #0a0e1a 0%, #131829 50%, #1a1033 100%);
    background-attachment: fixed;
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

/* ======================================
   Container & Layout
   ====================================== */

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-lg);
}

.header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, rgba(0, 217, 255, 0.1) 0%, rgba(168, 85, 247, 0.1) 100%);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(0, 217, 255, 0.3);
}

.title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.neon-text {
    background: linear-gradient(90deg, var(--accent-cyan), var(--accent-purple), var(--accent-pink));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: neon-pulse 3s ease-in-out infinite;
    text-shadow: var(--glow-cyan);
}

@keyframes neon-pulse {
    0%, 100% { filter: brightness(1); }
    50% { filter: brightness(1.3); }
}

.subtitle {
    color: var(--text-secondary);
    font-weight: 400;
    font-size: 1.5rem;
}

.tagline {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* Grid Layout */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-lg);
}

/* ======================================
   Cards
   ====================================== */

.card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.6);
}

.card-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--accent-cyan);
    border-bottom: 2px solid rgba(0, 217, 255, 0.3);
    padding-bottom: var(--spacing-xs);
}

/* Recording Section */
.recording-section {
    grid-column: span 2;
}

.waveform-container {
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    border: 1px solid rgba(0, 217, 255, 0.2);
}

#waveform {
    width: 100%;
    height: 150px;
    display: block;
}

.controls {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
}

.timer {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--accent-cyan);
    font-family: 'Courier New', monospace;
    margin-left: auto;
}

.recording-info {
    background: rgba(168, 85, 247, 0.1);
    border-left: 3px solid var(--accent-purple);
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
}

.info-text {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* ======================================
   Buttons
   ====================================== */

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.95rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-md);
}

.btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn:active:not(:disabled) {
    transform: translateY(0);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-record {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: white;
}

.btn-record:hover:not(:disabled) {
    background: linear-gradient(135deg, #dc2626, #b91c1c);
    box-shadow: 0 0 20px rgba(239, 68, 68, 0.6);
}

.btn-stop {
    background: linear-gradient(135deg, #64748b, #475569);
    color: white;
}

.btn-copy,
.btn-copy-all {
    background: linear-gradient(135deg, var(--accent-purple), #9333ea);
    color: white;
}

.btn-copy:hover,
.btn-copy-all:hover {
    background: linear-gradient(135deg, #9333ea, #7e22ce);
    box-shadow: var(--glow-purple);
}

.btn-suno {
    background: linear-gradient(135deg, var(--accent-cyan), #0ea5e9);
    color: white;
    text-decoration: none;
}

.btn-suno:hover {
    background: linear-gradient(135deg, #0ea5e9, #0284c7);
    box-shadow: var(--glow-cyan);
}

.btn-api {
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
    width: 100%;
    justify-content: center;
    margin-top: var(--spacing-sm);
}

.btn-clear-history {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: white;
    width: 100%;
    justify-content: center;
    margin-top: var(--spacing-sm);
}

.btn-icon {
    font-size: 1.1rem;
}

/* ======================================
   Biomarkers Section
   ====================================== */

.biomarkers-section {
    grid-column: span 2;
}

.radar-container {
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    min-height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
}

#radarChart {
    max-width: 400px;
    max-height: 400px;
}

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

.stat-item {
    background: var(--bg-elevated);
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.stat-value {
    color: var(--accent-cyan);
    font-weight: 600;
    font-size: 1rem;
}

/* ======================================
   State Section
   ====================================== */

.state-section {
    grid-column: span 2;
}

.state-indicator {
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-md);
}

.state-badge {
    display: inline-block;
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-xl);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    transition: all 0.5s ease;
}

.state-badge.baseline {
    background: var(--state-baseline);
    color: white;
    box-shadow: 0 0 30px rgba(16, 185, 129, 0.6);
}

.state-badge.fatigue {
    background: var(--state-fatigue);
    color: white;
    box-shadow: 0 0 30px rgba(245, 158, 11, 0.6);
}

.state-badge.anxiety {
    background: var(--state-anxiety);
    color: white;
    box-shadow: 0 0 30px rgba(239, 68, 68, 0.6);
}

.state-badge.depression {
    background: var(--state-depression);
    color: white;
    box-shadow: 0 0 30px rgba(99, 102, 241, 0.6);
}

.state-badge.dopamine {
    background: var(--state-dopamine);
    color: white;
    box-shadow: 0 0 30px rgba(168, 85, 247, 0.6);
}

.state-description {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.8;
}

.state-legend {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    justify-content: center;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.legend-color {
    width: 20px;
    height: 20px;
    border-radius: 4px;
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.legend-color.baseline { background: var(--state-baseline); }
.legend-color.fatigue { background: var(--state-fatigue); }
.legend-color.anxiety { background: var(--state-anxiety); }
.legend-color.depression { background: var(--state-depression); }
.legend-color.dopamine { background: var(--state-dopamine); }

/* ======================================
   Prompt Section
   ====================================== */

.prompt-section {
    grid-column: span 2;
}

.prompt-group {
    margin-bottom: var(--spacing-lg);
}

.prompt-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xs);
}

.prompt-label {
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.95rem;
}

.char-counter {
    color: var(--text-muted);
    font-size: 0.85rem;
    font-family: 'Courier New', monospace;
}

.char-counter.warning {
    color: var(--accent-orange);
}

.char-counter.error {
    color: var(--accent-red);
}

.prompt-textarea,
.prompt-input {
    width: 100%;
    background: var(--bg-secondary);
    border: 1px solid rgba(0, 217, 255, 0.3);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm);
    color: var(--text-primary);
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    resize: vertical;
    margin-bottom: var(--spacing-sm);
    transition: border-color 0.3s ease;
}

.prompt-textarea:focus,
.prompt-input:focus {
    outline: none;
    border-color: var(--accent-cyan);
    box-shadow: var(--glow-cyan);
}

.prompt-input {
    height: 42px;
}

.prompt-actions {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.prompt-actions .btn {
    flex: 1;
    min-width: 200px;
    justify-content: center;
}

/* API Section */
.api-section {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.api-details {
    background: var(--bg-elevated);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.api-summary {
    padding: var(--spacing-sm);
    cursor: pointer;
    color: var(--text-secondary);
    font-weight: 600;
    list-style: none;
    user-select: none;
}

.api-summary:hover {
    color: var(--accent-cyan);
}

.api-summary::-webkit-details-marker {
    display: none;
}

.api-content {
    padding: var(--spacing-md);
    background: var(--bg-secondary);
}

.api-field {
    margin-bottom: var(--spacing-md);
}

.api-field label {
    display: block;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
    font-size: 0.9rem;
}

.api-input {
    width: 100%;
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm);
    color: var(--text-primary);
    font-size: 0.9rem;
}

.api-status {
    margin-top: var(--spacing-sm);
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    text-align: center;
}

.api-status.success {
    background: rgba(16, 185, 129, 0.2);
    color: var(--state-baseline);
    border: 1px solid var(--state-baseline);
}

.api-status.error {
    background: rgba(239, 68, 68, 0.2);
    color: var(--state-anxiety);
    border: 1px solid var(--state-anxiety);
}

/* ======================================
   History Section
   ====================================== */

.history-section {
    grid-column: span 2;
}

.history-list {
    max-height: 400px;
    overflow-y: auto;
}

.history-list::-webkit-scrollbar {
    width: 8px;
}

.history-list::-webkit-scrollbar-track {
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
}

.history-list::-webkit-scrollbar-thumb {
    background: var(--accent-cyan);
    border-radius: var(--radius-sm);
}

.empty-state {
    text-align: center;
    color: var(--text-muted);
    padding: var(--spacing-xl);
}

.history-item {
    background: var(--bg-elevated);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    border-left: 4px solid var(--accent-cyan);
    cursor: pointer;
    transition: all 0.3s ease;
}

.history-item:hover {
    background: var(--bg-card);
    transform: translateX(4px);
}

.history-item-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--spacing-xs);
}

.history-timestamp {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.history-state {
    font-weight: 600;
    font-size: 0.9rem;
}

.history-state.baseline { color: var(--state-baseline); }
.history-state.fatigue { color: var(--state-fatigue); }
.history-state.anxiety { color: var(--state-anxiety); }
.history-state.depression { color: var(--state-depression); }
.history-state.dopamine { color: var(--state-dopamine); }

.history-prompt {
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-family: 'Courier New', monospace;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ======================================
   Footer
   ====================================== */

.footer {
    text-align: center;
    padding: var(--spacing-lg);
    color: var(--text-muted);
    font-size: 0.85rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    margin-top: var(--spacing-xl);
}

/* ======================================
   Audio Source Tabs
   ====================================== */

.audio-source-tabs {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    border-bottom: 2px solid rgba(0, 217, 255, 0.2);
}

.tab-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    background: transparent;
    border: none;
    border-bottom: 3px solid transparent;
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    bottom: -2px;
}

.tab-btn:hover {
    color: var(--accent-cyan);
    background: rgba(0, 217, 255, 0.05);
}

.tab-btn.active {
    color: var(--accent-cyan);
    border-bottom-color: var(--accent-cyan);
    background: rgba(0, 217, 255, 0.1);
}

.tab-icon {
    font-size: 1.2rem;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* ======================================
   File Upload Zone
   ====================================== */

.upload-zone {
    background: var(--bg-secondary);
    border: 2px dashed rgba(0, 217, 255, 0.3);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
}

.upload-zone:hover,
.upload-zone.drag-over {
    border-color: var(--accent-cyan);
    background: rgba(0, 217, 255, 0.05);
    box-shadow: var(--glow-cyan);
}

.upload-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-sm);
    animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.upload-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.upload-subtitle {
    color: var(--text-muted);
    margin: var(--spacing-sm) 0;
}

.btn-upload {
    background: linear-gradient(135deg, var(--accent-purple), #9333ea);
    color: white;
    margin: var(--spacing-sm) 0;
}

.btn-upload:hover {
    background: linear-gradient(135deg, #9333ea, #7e22ce);
    box-shadow: var(--glow-purple);
}

.upload-formats {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-top: var(--spacing-sm);
}

/* Uploaded File Info */
.uploaded-file-info {
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.file-details {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: var(--bg-elevated);
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
}

.file-icon {
    font-size: 2rem;
}

.file-meta {
    flex: 1;
}

.file-name {
    color: var(--text-primary);
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: 2px;
    word-break: break-word;
}

.file-size {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.btn-remove {
    background: var(--accent-red);
    color: white;
    border: none;
    border-radius: 50%;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1.2rem;
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.btn-remove:hover {
    background: #dc2626;
    transform: rotate(90deg);
}

.btn-analyze-upload {
    width: 100%;
    background: linear-gradient(135deg, var(--accent-cyan), #0ea5e9);
    color: white;
    justify-content: center;
    margin-top: var(--spacing-sm);
}

.btn-analyze-upload:hover {
    background: linear-gradient(135deg, #0ea5e9, #0284c7);
    box-shadow: var(--glow-cyan);
}

/* ======================================
   Genre Selector
   ====================================== */

.genre-selector-group {
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    border: 1px solid rgba(0, 217, 255, 0.2);
}

.genre-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: var(--spacing-sm);
}

.genre-icon {
    font-size: 1.2rem;
}

.genre-select {
    width: 100%;
    background: var(--bg-elevated);
    border: 1px solid rgba(0, 217, 255, 0.3);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--text-primary);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2300d9ff' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--spacing-sm) center;
    padding-right: calc(var(--spacing-md) + 24px);
}

.genre-select:hover {
    border-color: var(--accent-cyan);
    box-shadow: 0 0 10px rgba(0, 217, 255, 0.3);
}

.genre-select:focus {
    outline: none;
    border-color: var(--accent-cyan);
    box-shadow: var(--glow-cyan);
}

.genre-select option {
    background: var(--bg-elevated);
    color: var(--text-primary);
    padding: var(--spacing-sm);
}

.genre-select optgroup {
    background: var(--bg-secondary);
    color: var(--accent-cyan);
    font-weight: 600;
}

.genre-recommendation {
    margin-top: var(--spacing-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: rgba(168, 85, 247, 0.1);
    border-left: 3px solid var(--accent-purple);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

#recommendedGenre {
    color: var(--accent-purple);
    font-weight: 600;
}

/* ======================================
   Footer
   ====================================== */

.footer {
    text-align: center;
    padding: var(--spacing-lg);
    color: var(--text-muted);
    font-size: 0.85rem;

/* ======================================
   Responsive Design
   ====================================== */

@media (max-width: 768px) {
    .container {
        padding: var(--spacing-xs);
    }
    
    .header {
        padding: var(--spacing-md);
        margin-bottom: var(--spacing-md);
    }
    
    .title {
        font-size: 1.5rem;
        flex-direction: column;
        gap: var(--spacing-xs);
    }
    
    .subtitle {
        font-size: 1rem;
    }
    
    .tagline {
        font-size: 0.85rem;
    }
    
    .grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .recording-section,
    .biomarkers-section,
    .state-section,
    .prompt-section,
    .history-section {
        grid-column: span 1;
    }
    
    .card {
        padding: var(--spacing-md);
    }
    
    .card-title {
        font-size: 1.1rem;
    }
    
    /* Tabs */
    .audio-source-tabs {
        gap: var(--spacing-xs);
    }
    
    .tab-btn {
        padding: var(--spacing-sm);
        font-size: 0.85rem;
    }
    
    .tab-text {
        display: none;
    }
    
    .tab-icon {
        font-size: 1.5rem;
    }
    
    /* Controls */
    .controls {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .timer {
        margin-left: 0;
        width: 100%;
        text-align: center;
        font-size: 1.8rem;
        padding: var(--spacing-sm);
        background: var(--bg-elevated);
        border-radius: var(--radius-md);
    }
    
    /* Upload zone */
    .upload-zone {
        padding: var(--spacing-lg);
    }
    
    .upload-icon {
        font-size: 3rem;
    }
    
    .upload-title {
        font-size: 1.1rem;
    }
    
    .upload-formats {
        font-size: 0.75rem;
    }
    
    /* Biomarker stats */
    .biomarker-stats {
        grid-template-columns: 1fr;
    }
    
    .stat-item {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-xs);
    }
    
    .stat-value {
        font-size: 1.2rem;
    }
    
    /* Radar chart */
    .radar-container {
        min-height: 250px;
        padding: var(--spacing-sm);
    }
    
    #radarChart {
        max-width: 100%;
        max-height: 300px;
    }
    
    /* State section */
    .state-badge {
        font-size: 1.2rem;
        padding: var(--spacing-sm) var(--spacing-lg);
    }
    
    .state-description {
        font-size: 0.9rem;
    }
    
    .state-legend {
        flex-direction: column;
        align-items: flex-start;
    }
    
    /* Genre selector */
    .genre-select {
        font-size: 0.9rem;
    }
    
    /* Prompt section */
    .prompt-textarea {
        font-size: 0.85rem;
    }
    
    .prompt-input {
        font-size: 0.9rem;
    }
    
    .prompt-actions {
        flex-direction: column;
    }
    
    .prompt-actions .btn {
        min-width: 100%;
    }
    
    /* API section */
    .api-field {
        margin-bottom: var(--spacing-sm);
    }
    
    /* History */
    .history-list {
        max-height: 300px;
    }
    
    .history-item {
        padding: var(--spacing-sm);
    }
    
    .history-prompt {
        font-size: 0.8rem;
    }
}

/* Extra small devices (phones < 480px) */
@media (max-width: 480px) {
    .container {
        padding: 0.25rem;
    }
    
    .header {
        padding: var(--spacing-sm);
    }
    
    .title {
        font-size: 1.3rem;
    }
    
    .neon-text {
        font-size: 1.3rem;
    }
    
    .subtitle {
        font-size: 0.9rem;
    }
    
    .tagline {
        display: none;
    }
    
    .card {
        padding: var(--spacing-sm);
        border-radius: var(--radius-md);
    }
    
    .card-title {
        font-size: 1rem;
        margin-bottom: var(--spacing-sm);
    }
    
    .tab-btn {
        padding: 0.5rem;
    }
    
    .tab-icon {
        font-size: 1.8rem;
    }
    
    .btn {
        font-size: 0.9rem;
        padding: 0.75rem 1rem;
    }
    
    .upload-zone {
        padding: var(--spacing-md);
    }
    
    .upload-icon {
        font-size: 2.5rem;
    }
    
    .upload-title {
        font-size: 1rem;
    }
    
    .file-icon {
        font-size: 1.5rem;
    }
    
    .waveform-container canvas {
        height: 100px;
    }
    
    .genre-recommendation {
        font-size: 0.8rem;
    }
    
    .stat-label {
        font-size: 0.8rem;
    }
    
    .stat-value {
        font-size: 1.1rem;
    }
}

/* ======================================
   Animations
   ====================================== */

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.card {
    animation: fadeIn 0.5s ease-out;
}

@keyframes recording-pulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.7);
    }
    50% {
        box-shadow: 0 0 0 10px rgba(239, 68, 68, 0);
    }
}

.btn-record.recording {
    animation: recording-pulse 1.5s ease-in-out infinite;
}

/* Prompt update animation */
.prompt-textarea.updating,
.prompt-input.updating {
    animation: prompt-update 0.5s ease;
}

@keyframes prompt-update {
    0% {
        background: var(--bg-secondary);
        border-color: rgba(0, 217, 255, 0.3);
    }
    50% {
        background: rgba(0, 217, 255, 0.1);
        border-color: var(--accent-cyan);
        box-shadow: var(--glow-cyan);
    }
    100% {
        background: var(--bg-secondary);
        border-color: rgba(0, 217, 255, 0.3);
    }
}

/* Loading spinner */
.spinner {
    border: 3px solid rgba(0, 217, 255, 0.3);
    border-top: 3px solid var(--accent-cyan);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: var(--spacing-md) auto;
}

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