/* ============================================
   Voxtral Speech-to-Text Application Styles
   ============================================ */

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

:root {
    /* Colors */
    --primary-color: #4f46e5;
    --primary-hover: #4338ca;
    --primary-active: #3730a3;
    --secondary-color: #6b7280;
    --secondary-hover: #4b5563;
    --danger-color: #dc2626;
    --danger-hover: #b91c1c;
    --success-color: #10b981;
    --error-color: #ef4444;
    --warning-color: #f59e0b;
    
    /* Backgrounds */
    --bg-main: #f9fafb;
    --bg-card: #ffffff;
    --bg-input: #ffffff;
    --bg-disabled: #e5e7eb;
    
    /* Text */
    --text-primary: #111827;
    --text-secondary: #6b7280;
    --text-muted: #9ca3af;
    
    /* Borders */
    --border-color: #e5e7eb;
    --border-radius: 0.5rem;
    --border-radius-lg: 0.75rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    
    /* Typography */
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
}

/* Base */
body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-main);
    min-height: 100vh;
}

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

/* ============================================
   Login Page
   ============================================ */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.login-container {
    width: 100%;
    max-width: 420px;
    padding: var(--spacing-md);
}

.login-box {
    background: var(--bg-card);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
    padding: var(--spacing-xl);
}

.login-box h1 {
    font-size: var(--font-size-3xl);
    text-align: center;
    margin-bottom: var(--spacing-sm);
    color: var(--primary-color);
}

.login-box .subtitle {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    font-size: var(--font-size-lg);
}

.login-form .form-group:last-of-type {
    margin-bottom: var(--spacing-lg);
}

.demo-credentials {
    margin-top: var(--spacing-xl);
    padding: var(--spacing-md);
    background: var(--bg-main);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--primary-color);
    font-size: var(--font-size-sm);
}

.demo-credentials p {
    margin: var(--spacing-xs) 0;
}

.demo-credentials code {
    background: var(--bg-card);
    padding: 0.125rem 0.5rem;
    border-radius: 0.25rem;
    font-family: 'Courier New', monospace;
    color: var(--primary-color);
    font-weight: 600;
}

/* ============================================
   App Header
   ============================================ */
.app-header {
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--spacing-xl);
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-lg) var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.app-header h1 {
    font-size: var(--font-size-2xl);
    color: var(--primary-color);
    margin: 0;
}

.user-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.username {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

/* ============================================
   Cards
   ============================================ */
.card {
    background: var(--bg-card);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.card h2 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.section-description {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-sm);
}

/* ============================================
   Forms
   ============================================ */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
    color: var(--text-primary);
}

.form-group input[type="text"],
.form-group input[type="password"],
.form-group select {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: var(--font-size-base);
    background: var(--bg-input);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.file-label {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background: var(--bg-main);
    border: 2px dashed var(--border-color);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all 0.2s;
    text-align: center;
    font-weight: 500;
    color: var(--text-secondary);
}

.file-label:hover {
    border-color: var(--primary-color);
    background: rgba(79, 70, 229, 0.05);
}

.file-label .icon {
    margin-right: var(--spacing-sm);
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 0.75rem 1.5rem;
    font-size: var(--font-size-base);
    font-weight: 500;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    color: white;
}

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

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

.btn-primary:hover:not(:disabled) {
    background: var(--primary-hover);
    box-shadow: var(--shadow-md);
}

.btn-primary:active:not(:disabled) {
    background: var(--primary-active);
}

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

.btn-secondary:hover:not(:disabled) {
    background: var(--secondary-hover);
}

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

.btn-danger:hover:not(:disabled) {
    background: var(--danger-hover);
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: var(--font-size-sm);
}

.btn-block {
    width: 100%;
}

/* ============================================
   Recorder Controls
   ============================================ */
.recorder-controls {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.status-message {
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-md);
}

.status-message.recording {
    background: rgba(239, 68, 68, 0.1);
    border-left: 4px solid var(--error-color);
    color: var(--error-color);
}

.status-message.ready {
    background: rgba(16, 185, 129, 0.1);
    border-left: 4px solid var(--success-color);
    color: var(--success-color);
}

/* ============================================
   Visualizer
   ============================================ */
.visualizer {
    margin: var(--spacing-lg) 0;
    padding: var(--spacing-md);
    background: var(--bg-main);
    border-radius: var(--border-radius);
    overflow: hidden;
}

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

/* ============================================
   Loading Indicator
   ============================================ */
.loading-indicator {
    text-align: center;
    padding: var(--spacing-xl);
}

.spinner {
    display: inline-block;
    width: 50px;
    height: 50px;
    border: 4px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.loading-indicator p {
    margin-top: var(--spacing-md);
    color: var(--text-secondary);
}

/* ============================================
   Alerts
   ============================================ */
.alert {
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-lg);
    border-left: 4px solid;
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    border-left-color: var(--error-color);
    color: var(--error-color);
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    border-left-color: var(--success-color);
    color: var(--success-color);
}

/* ============================================
   Result Section
   ============================================ */
.result-section {
    border: 2px solid var(--success-color);
}

.result-meta {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
}

.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: var(--font-size-sm);
    font-weight: 500;
    background: var(--primary-color);
    color: white;
}

.badge-secondary {
    background: var(--secondary-color);
}

.transcription-text {
    padding: var(--spacing-lg);
    background: var(--bg-main);
    border-radius: var(--border-radius);
    margin: var(--spacing-lg) 0;
    min-height: 120px;
    line-height: 1.8;
    font-size: var(--font-size-lg);
    color: var(--text-primary);
    white-space: pre-wrap;
    word-wrap: break-word;
}

.result-actions {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

/* ============================================
   Segments with Timestamps
   ============================================ */
.segments-list {
    max-height: 400px;
    overflow-y: auto;
    background: var(--bg-main);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.segment-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--border-color);
    align-items: flex-start;
}

.segment-item:last-child {
    border-bottom: none;
}

.segment-time {
    font-family: 'Courier New', monospace;
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    white-space: nowrap;
    min-width: 100px;
}

.segment-text {
    flex: 1;
    font-size: var(--font-size-base);
}

.segment-speaker {
    font-size: var(--font-size-xs);
    padding: 0.125rem 0.5rem;
    background: var(--primary-color);
    color: white;
    border-radius: 0.25rem;
    margin-left: var(--spacing-sm);
}

/* ============================================
   Footer
   ============================================ */
.app-footer {
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-md);
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.app-footer a {
    color: var(--primary-color);
    text-decoration: none;
}

.app-footer a:hover {
    text-decoration: underline;
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 768px) {
    .container {
        padding: var(--spacing-sm);
    }
    
    .app-header h1 {
        font-size: var(--font-size-xl);
    }
    
    .header-content {
        flex-direction: column;
        align-items: stretch;
        text-align: center;
    }
    
    .user-info {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .card {
        padding: var(--spacing-lg);
    }
    
    .recorder-controls {
        flex-direction: column;
    }
    
    .recorder-controls .btn {
        width: 100%;
    }
    
    .result-actions {
        flex-direction: column;
    }
    
    .result-actions .btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    :root {
        --font-size-base: 0.9375rem;
    }
    
    .login-box {
        padding: var(--spacing-lg);
    }
    
    .card {
        padding: var(--spacing-md);
    }
}

/* ============================================
   Accessibility
   ============================================ */
:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

button:focus,
input:focus,
select:focus {
    outline-offset: 0;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --border-color: #000;
    }
    
    .btn {
        border: 2px solid currentColor;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ============================================
   Speaker Diarization Styles
   ============================================ */

/* Checkbox Group */
.checkbox-group {
    margin: var(--spacing-md) 0;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    cursor: pointer;
    padding: var(--spacing-sm);
    border-radius: var(--border-radius);
    transition: background-color 0.2s;
}

.checkbox-label:hover {
    background-color: var(--bg-main);
}

.checkbox-label input[type="checkbox"] {
    display: none;
}

.checkmark {
    width: 20px;
    height: 20px;
    min-width: 20px;
    border: 2px solid var(--border-color);
    border-radius: 4px;
    margin-right: var(--spacing-sm);
    margin-top: 2px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    background-color: white;
}

.checkbox-label input[type="checkbox"]:checked + .checkmark {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.checkbox-label input[type="checkbox"]:checked + .checkmark::after {
    content: '✓';
    color: white;
    font-size: 14px;
    font-weight: bold;
}

.label-text {
    display: flex;
    flex-direction: column;
}

.label-text strong {
    color: var(--text-primary);
    font-weight: 600;
}

.label-text small {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    margin-top: 2px;
}

/* Speaker Legend */
.speaker-legend {
    background: var(--bg-main);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.speaker-legend h4 {
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.speaker-legend-items {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.speaker-legend-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.25rem 0.5rem;
    background: white;
    border-radius: 0.25rem;
    border: 1px solid var(--border-color);
}

.speaker-color-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    display: inline-block;
}

.speaker-name {
    font-size: var(--font-size-sm);
    font-weight: 500;
}

/* Segment Styling with Speaker Colors */
.segment-item {
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    border-radius: var(--border-radius);
    border-left: 4px solid;
    background: white;
    box-shadow: var(--shadow-sm);
    transition: transform 0.2s, box-shadow 0.2s;
}

.segment-item:hover {
    transform: translateX(4px);
    box-shadow: var(--shadow-md);
}

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

.segment-speaker-badge {
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: white;
    background-color: #6b7280;
}

.segment-time {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    font-family: 'Courier New', monospace;
}

.segment-text {
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--text-primary);
}

/* Speaker Color Classes - Distinct colors for up to 8 speakers */
.speaker-0, .speaker-color-dot.speaker-0, .segment-speaker-badge.speaker-0 { 
    background-color: #4f46e5; 
    border-left-color: #4f46e5;
}
.speaker-1, .speaker-color-dot.speaker-1, .segment-speaker-badge.speaker-1 { 
    background-color: #dc2626; 
    border-left-color: #dc2626;
}
.speaker-2, .speaker-color-dot.speaker-2, .segment-speaker-badge.speaker-2 { 
    background-color: #059669; 
    border-left-color: #059669;
}
.speaker-3, .speaker-color-dot.speaker-3, .segment-speaker-badge.speaker-3 { 
    background-color: #d97706; 
    border-left-color: #d97706;
}
.speaker-4, .speaker-color-dot.speaker-4, .segment-speaker-badge.speaker-4 { 
    background-color: #7c3aed; 
    border-left-color: #7c3aed;
}
.speaker-5, .speaker-color-dot.speaker-5, .segment-speaker-badge.speaker-5 { 
    background-color: #db2777; 
    border-left-color: #db2777;
}
.speaker-6, .speaker-color-dot.speaker-6, .segment-speaker-badge.speaker-6 { 
    background-color: #0891b2; 
    border-left-color: #0891b2;
}
.speaker-7, .speaker-color-dot.speaker-7, .segment-speaker-badge.speaker-7 { 
    background-color: #ea580c; 
    border-left-color: #ea580c;
}

/* Segment items get lighter background with colored border */
.segment-item.speaker-0 { background-color: #eef2ff; }
.segment-item.speaker-1 { background-color: #fef2f2; }
.segment-item.speaker-2 { background-color: #ecfdf5; }
.segment-item.speaker-3 { background-color: #fffbeb; }
.segment-item.speaker-4 { background-color: #f5f3ff; }
.segment-item.speaker-5 { background-color: #fdf2f8; }
.segment-item.speaker-6 { background-color: #ecfeff; }
.segment-item.speaker-7 { background-color: #fff7ed; }

/* Legacy speaker display (if any) */
.segment-speaker {
    display: inline-flex;
    align-items: center;
    padding: 0.125rem 0.5rem;
    background: var(--primary-color);
    color: white;
    border-radius: 0.25rem;
    margin-left: var(--spacing-sm);
    font-size: var(--font-size-xs);
    font-weight: 500;
}