/* ============================================================
   Lomarix Transcription - Premium Dark Theme
   ============================================================
   Design System: Dark glassmorphism with electric blue accents.
   Inspired by enterprise AI dashboards.
   ============================================================ */

/* --- CSS Custom Properties (Design Tokens) --- */
:root {
    /* Colors */
    --bg-primary: #0a0e1a;
    --bg-secondary: #0f1424;
    --bg-tertiary: #141930;
    --bg-card: rgba(20, 25, 48, 0.7);
    --bg-card-hover: rgba(30, 38, 70, 0.8);
    --bg-glass: rgba(15, 20, 40, 0.6);
    --border-color: rgba(99, 115, 255, 0.15);
    --border-hover: rgba(99, 115, 255, 0.35);

    /* Accent */
    --accent-primary: #6366f1;
    --accent-secondary: #818cf8;
    --accent-glow: rgba(99, 102, 241, 0.3);
    --accent-gradient: linear-gradient(135deg, #6366f1, #8b5cf6);

    /* Text */
    --text-primary: #e8eaed;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;
    --text-accent: #a5b4fc;

    /* Status */
    --success: #34d399;
    --warning: #fbbf24;
    --error: #f87171;
    --info: #60a5fa;

    /* Spacing */
    --header-height: 64px;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    /* Effects */
    --glass-blur: blur(20px);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px var(--accent-glow);
}

/* --- Reset & Base --- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background: var(--bg-primary);
    color: var(--text-primary);
    height: 100vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background-image:
        radial-gradient(ellipse at 20% 50%, rgba(99, 102, 241, 0.05) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(139, 92, 246, 0.04) 0%, transparent 50%);
}

/* --- Scrollbar --- */
::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: rgba(99, 115, 255, 0.2);
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(99, 115, 255, 0.4);
}

/* ============================================================
   Header
   ============================================================ */
#app-header {
    height: var(--header-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    background: var(--bg-glass);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-bottom: 1px solid var(--border-color);
    z-index: 100;
    flex-shrink: 0;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-gradient);
    border-radius: var(--radius-md);
    color: white;
    box-shadow: var(--shadow-glow);
}

.header-title h1 {
    font-size: 1.1rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

.header-badge {
    display: inline-block;
    font-size: 0.6rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--accent-secondary);
    background: rgba(99, 102, 241, 0.15);
    padding: 2px 8px;
    border-radius: 4px;
    margin-top: 2px;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

/* --- Connection Status --- */
.status-indicator {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    font-weight: 500;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--error);
    transition: background 0.3s ease;
}

.status-indicator.connected .status-dot {
    background: var(--success);
    box-shadow: 0 0 8px var(--success);
    animation: pulse-green 2s infinite;
}

.status-indicator.connected .status-text {
    color: var(--success);
}

.status-indicator.disconnected .status-text {
    color: var(--text-muted);
}

@keyframes pulse-green {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* ============================================================
   Main Container
   ============================================================ */
#app-main {
    flex: 1;
    min-height: 0;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    position: relative;
}

/* --- Screen Management --- */
.screen {
    display: none;
    flex-direction: column;
    height: 100%;
    min-height: 0;
    overflow: hidden;
}

.screen.active {
    display: flex;
}

/* ============================================================
   Welcome Screen
   ============================================================ */
#welcome-screen {
    align-items: center;
    justify-content: center;
    gap: 24px;
    padding: 40px 24px;
}

.welcome-icon {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--accent-primary);
    border-radius: 50%;
    color: var(--accent-secondary);
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

.welcome-title {
    font-size: 1.6rem;
    font-weight: 600;
    background: linear-gradient(135deg, var(--accent-secondary), #c084fc);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-align: center;
}

.welcome-subtitle {
    color: var(--text-secondary);
    text-align: center;
    line-height: 1.6;
    max-width: 500px;
    font-size: 0.9rem;
}

/* --- Action Cards --- */
.action-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-top: 16px;
    max-width: 480px;
    width: 100%;
}

.action-card {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all 0.25s ease;
    color: var(--text-primary);
    font-family: var(--font-family);
    font-size: 0.9rem;
    font-weight: 500;
    backdrop-filter: var(--glass-blur);
}

.action-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.card-icon {
    font-size: 1.3rem;
}

/* ============================================================
   Screen Header
   ============================================================ */
.screen-header {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 24px;
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
}

.screen-body {
    flex: 1;
    min-height: 0;
    overflow-y: auto;
}

.screen-header h2 {
    font-size: 1.1rem;
    font-weight: 600;
    flex: 1;
}

.back-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-family: var(--font-family);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.back-btn:hover {
    background: var(--bg-card-hover);
    color: var(--text-primary);
    border-color: var(--border-hover);
}

.session-info {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-family: monospace;
}

/* ============================================================
   Transcript Area
   ============================================================ */
.transcript-area {
    flex: 1;
    min-height: 0;
    overflow-y: auto;
    padding: 24px;
    display: flex;
    flex-direction: column;
}

.transcript-content {
    flex: 1;
    min-height: 0;
    font-size: 0.95rem;
    line-height: 1.8;
    color: var(--text-primary);
    white-space: pre-wrap;
    word-wrap: break-word;
}

.transcript-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
    flex-shrink: 0;
}

.transcript-header h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-accent);
}

.transcript-actions {
    display: flex;
    gap: 8px;
}

.placeholder-text {
    color: var(--text-muted);
    font-style: italic;
    text-align: center;
    padding: 40px;
}

/* ============================================================
   Real-Time Controls
   ============================================================ */
.rt-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    padding: 20px 24px;
    border-top: 1px solid var(--border-color);
    background: var(--bg-glass);
    backdrop-filter: var(--glass-blur);
    flex-shrink: 0;
}

.mic-button {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    border: 2px solid var(--accent-primary);
    background: transparent;
    color: var(--accent-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    position: relative;
}

.mic-button:hover {
    background: rgba(99, 102, 241, 0.15);
    box-shadow: var(--shadow-glow);
}

.mic-button.recording {
    background: var(--error);
    border-color: var(--error);
    color: white;
    animation: pulse-record 1.5s infinite;
}

@keyframes pulse-record {
    0%, 100% { box-shadow: 0 0 0 0 rgba(248, 113, 113, 0.4); }
    50% { box-shadow: 0 0 0 12px rgba(248, 113, 113, 0); }
}

.audio-visualizer {
    width: 200px;
    height: 40px;
    display: flex;
    align-items: center;
}

#visualizer-canvas {
    width: 100%;
    height: 100%;
    border-radius: var(--radius-sm);
}

/* --- Secondary Buttons --- */
.secondary-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-family: var(--font-family);
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.secondary-btn:hover {
    background: var(--bg-card-hover);
    color: var(--text-primary);
    border-color: var(--border-hover);
}

/* ============================================================
   Upload Zone
   ============================================================ */
.upload-zone {
    margin: 24px;
    padding: 48px 24px;
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-xl);
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    background: var(--bg-card);
}

.upload-zone:hover, .upload-zone.drag-over {
    border-color: var(--accent-primary);
    background: rgba(99, 102, 241, 0.05);
    box-shadow: inset 0 0 30px rgba(99, 102, 241, 0.05);
}

.upload-icon {
    color: var(--accent-secondary);
    margin-bottom: 16px;
}

.upload-text {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.upload-hint {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* --- Upload Progress --- */
.upload-progress {
    margin: 0 24px;
    padding: 16px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
}

.progress-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
}

.upload-filename {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-primary);
}

.upload-status {
    font-size: 0.8rem;
    font-weight: 500;
}

.upload-status.queued { color: var(--warning); }
.upload-status.processing { color: var(--info); }
.upload-status.completed { color: var(--success); }
.upload-status.failed { color: var(--error); }

.progress-bar-container {
    width: 100%;
    height: 4px;
    background: var(--bg-tertiary);
    border-radius: 2px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: var(--accent-gradient);
    border-radius: 2px;
    transition: width 0.5s ease;
    width: 0%;
}

.progress-bar.indeterminate {
    width: 30%;
    animation: progress-indeterminate 1.5s ease-in-out infinite;
}

@keyframes progress-indeterminate {
    0% { margin-left: 0; }
    50% { margin-left: 70%; }
    100% { margin-left: 0; }
}

/* --- Batch Meta --- */
.batch-meta {
    display: flex;
    gap: 24px;
    padding-top: 16px;
    margin-top: 16px;
    border-top: 1px solid var(--border-color);
    font-size: 0.8rem;
    color: var(--text-muted);
    flex-wrap: wrap;
}

.batch-meta span {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* ============================================================
   Jobs List
   ============================================================ */
.jobs-list {
    flex: 1;
    overflow-y: auto;
    padding: 16px 24px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.job-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 14px 18px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.2s ease;
}

.job-item:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-hover);
}

.job-status-badge {
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    flex-shrink: 0;
}

.job-status-badge.QUEUED { background: rgba(251, 191, 36, 0.15); color: var(--warning); }
.job-status-badge.IN_PROGRESS { background: rgba(96, 165, 250, 0.15); color: var(--info); }
.job-status-badge.COMPLETED { background: rgba(52, 211, 153, 0.15); color: var(--success); }
.job-status-badge.FAILED { background: rgba(248, 113, 113, 0.15); color: var(--error); }

.job-info {
    flex: 1;
    min-width: 0;
}

.job-filename {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.job-meta {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 2px;
}

.job-duration {
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-align: right;
    flex-shrink: 0;
}

/* ============================================================
   Toast Notifications
   ============================================================ */
.toast {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    padding: 12px 24px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.85rem;
    font-weight: 500;
    backdrop-filter: var(--glass-blur);
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    transition: transform 0.3s ease, opacity 0.3s ease;
    opacity: 0;
    pointer-events: none;
}

.toast.visible {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

.toast.success { border-color: var(--success); }
.toast.error { border-color: var(--error); }
.toast.info { border-color: var(--info); }

/* ============================================================
   Stats Modal (inline)
   ============================================================ */
.stats-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 200;
    backdrop-filter: blur(4px);
}

.stats-modal {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 32px;
    min-width: 360px;
    max-width: 90vw;
    box-shadow: var(--shadow-lg);
}

.stats-modal h3 {
    font-size: 1.1rem;
    margin-bottom: 20px;
    color: var(--text-accent);
}

.stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.stat-item {
    padding: 12px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
}

.stat-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.stat-value {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
}

.stats-close {
    margin-top: 20px;
    width: 100%;
    padding: 10px;
    background: var(--accent-gradient);
    border: none;
    border-radius: var(--radius-sm);
    color: white;
    font-family: var(--font-family);
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.2s;
}

.stats-close:hover {
    opacity: 0.85;
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 640px) {
    .action-cards {
        grid-template-columns: 1fr;
    }

    .rt-controls {
        flex-wrap: wrap;
    }

    .audio-visualizer {
        width: 100%;
        order: -1;
    }

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

    .screen-header {
        flex-wrap: wrap;
    }
}