/* ================================================================
   Whisper Transcription Service — Styles
   Dark theme, responsive, matching Stillwaters homelab
   ================================================================ */

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

:root {
    --bg-base:       #0a0a0f;
    --bg-surface:    #12121a;
    --bg-surface-2:  #1a1a25;
    --bg-hover:      #22223a;
    --border:        #2a2a3a;
    --border-light:  #3a3a4a;

    --text-primary:  #e0e0e8;
    --text-secondary:#8888a0;
    --text-muted:    #555568;

    --green:         #22c55e;
    --green-dim:     #16422c;
    --red:           #ef4444;
    --red-dim:       #4c1616;
    --blue:          #3b82f6;
    --blue-dim:      #1a2a50;
    --orange:        #f97316;
    --orange-dim:    #4a2810;
    --purple:        #a855f7;
    --purple-dim:    #2d1450;
    --teal:          #14b8a6;
    --teal-dim:      #0d3a34;

    --font-sans:     -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto,
                     'Helvetica Neue', Arial, sans-serif;
    --font-mono:     'SF Mono', 'Fira Code', 'Cascadia Code', 'JetBrains Mono',
                     Consolas, monospace;

    --radius:        12px;
    --radius-sm:     8px;
    --shadow:        0 4px 24px rgba(0, 0, 0, 0.4);
    --transition:    150ms ease;
}

html { font-size: 15px; -webkit-text-size-adjust: 100%; }

body {
    font-family: var(--font-sans);
    background: var(--bg-base);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.5;
}

/* ── Header ───────────────────────────────────────────────────── */
header {
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(12px);
}

.header-content {
    max-width: 900px;
    margin: 0 auto;
    padding: 16px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

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

.header-left h1 {
    font-size: 1.4rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.subtitle {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.status-badge {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    color: var(--green);
    background: var(--green-dim);
    padding: 4px 10px;
    border-radius: 20px;
    font-weight: 500;
}

.status-badge .dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--green);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

/* ── Main Container ───────────────────────────────────────────── */
.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 24px 20px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

/* ── Cards ────────────────────────────────────────────────────── */
.card {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow);
}

.card-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.card-title .icon {
    font-size: 1.1rem;
}

/* ── Upload Area ──────────────────────────────────────────────── */
.input-tabs {
    display: flex;
    gap: 0;
    margin-bottom: 16px;
    border-bottom: 1px solid var(--border);
}

.input-tab {
    padding: 8px 20px;
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    border-bottom: 2px solid transparent;
    transition: var(--transition);
}

.input-tab:hover { color: var(--text-primary); }
.input-tab.active {
    color: var(--blue);
    border-bottom-color: var(--blue);
}

.tab-content { display: none; }
.tab-content.active { display: block; }

.drop-zone {
    border: 2px dashed var(--border-light);
    border-radius: var(--radius-sm);
    padding: 40px 20px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-secondary);
}

.drop-zone:hover,
.drop-zone.drag-over {
    border-color: var(--blue);
    background: var(--blue-dim);
    color: var(--text-primary);
}

.drop-zone .drop-icon {
    font-size: 2.5rem;
    margin-bottom: 8px;
    display: block;
}

.drop-zone .drop-text {
    font-size: 0.95rem;
    margin-bottom: 4px;
}

.drop-zone .drop-hint {
    font-size: 0.78rem;
    color: var(--text-muted);
}

.drop-zone .file-selected {
    color: var(--green);
    font-weight: 500;
}

.url-input-group {
    display: flex;
    gap: 8px;
}

.url-input {
    flex: 1;
    background: var(--bg-surface-2);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 10px 14px;
    color: var(--text-primary);
    font-size: 0.9rem;
    font-family: var(--font-mono);
    outline: none;
    transition: var(--transition);
}

.url-input:focus {
    border-color: var(--blue);
    box-shadow: 0 0 0 2px var(--blue-dim);
}

.url-input::placeholder { color: var(--text-muted); }

/* ── Settings Row ─────────────────────────────────────────────── */
.settings-row {
    display: flex;
    gap: 16px;
    margin-top: 16px;
    flex-wrap: wrap;
}

.setting {
    display: flex;
    flex-direction: column;
    gap: 4px;
    flex: 1;
    min-width: 140px;
}

.setting label {
    font-size: 0.78rem;
    color: var(--text-secondary);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.setting select {
    background: var(--bg-surface-2);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 8px 12px;
    color: var(--text-primary);
    font-size: 0.9rem;
    outline: none;
    cursor: pointer;
    transition: var(--transition);
    -webkit-appearance: none;
    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='%238888a0' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
    padding-right: 30px;
}

.setting select:focus {
    border-color: var(--blue);
}

/* ── Buttons ──────────────────────────────────────────────────── */
.btn {
    padding: 10px 24px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.btn-primary {
    background: var(--blue);
    color: #fff;
}
.btn-primary:hover { background: #2563eb; }
.btn-primary:disabled {
    background: var(--bg-surface-2);
    color: var(--text-muted);
    cursor: not-allowed;
}

.btn-sm {
    padding: 6px 14px;
    font-size: 0.8rem;
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-secondary);
}
.btn-outline:hover {
    border-color: var(--text-secondary);
    color: var(--text-primary);
}

.submit-row {
    display: flex;
    justify-content: flex-end;
    margin-top: 16px;
}

/* ── Progress ─────────────────────────────────────────────────── */
.progress-card { display: none; }
.progress-card.active { display: block; }

.progress-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
    font-size: 0.85rem;
}

.progress-status {
    display: flex;
    align-items: center;
    gap: 8px;
}

.progress-status .spinner {
    width: 14px;
    height: 14px;
    border: 2px solid var(--border);
    border-top-color: var(--blue);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

.progress-bar-track {
    width: 100%;
    height: 6px;
    background: var(--bg-surface-2);
    border-radius: 3px;
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    background: var(--blue);
    border-radius: 3px;
    transition: width 0.3s ease;
    width: 0%;
}

.progress-bar-fill.done { background: var(--green); }
.progress-bar-fill.error { background: var(--red); }

/* ── Result ───────────────────────────────────────────────────── */
.result-card { display: none; }
.result-card.active { display: block; }

.result-meta {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    margin-bottom: 16px;
    font-size: 0.82rem;
    color: var(--text-secondary);
}

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

.result-meta .label {
    color: var(--text-muted);
    text-transform: uppercase;
    font-size: 0.72rem;
    letter-spacing: 0.04em;
}

.result-text {
    background: var(--bg-surface-2);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 16px;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    line-height: 1.7;
    max-height: 400px;
    overflow-y: auto;
    white-space: pre-wrap;
    word-break: break-word;
    color: var(--text-primary);
}

.result-actions {
    display: flex;
    gap: 8px;
    margin-top: 16px;
    flex-wrap: wrap;
}

/* ── Segments View ────────────────────────────────────────────── */
.view-toggle {
    display: flex;
    gap: 0;
    margin-bottom: 12px;
}

.view-btn {
    padding: 6px 14px;
    background: var(--bg-surface-2);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 0.8rem;
    transition: var(--transition);
}

.view-btn:first-child { border-radius: var(--radius-sm) 0 0 var(--radius-sm); }
.view-btn:last-child { border-radius: 0 var(--radius-sm) var(--radius-sm) 0; }
.view-btn:not(:first-child) { border-left: none; }

.view-btn.active {
    background: var(--blue-dim);
    border-color: var(--blue);
    color: var(--blue);
}

.segments-list {
    display: none;
    flex-direction: column;
    gap: 2px;
}
.segments-list.active { display: flex; }

.segment {
    display: grid;
    grid-template-columns: 100px 1fr;
    gap: 12px;
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    transition: var(--transition);
}

.segment:hover { background: var(--bg-hover); }

.segment-time {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--blue);
    white-space: nowrap;
    padding-top: 2px;
}

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

/* ── Job History ──────────────────────────────────────────────── */
.history-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.history-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    cursor: pointer;
    transition: var(--transition);
    gap: 12px;
}

.history-item:hover { background: var(--bg-hover); }

.history-name {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: var(--text-primary);
}

.history-model {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
    flex-shrink: 0;
}

.history-status {
    font-size: 0.75rem;
    padding: 2px 8px;
    border-radius: 10px;
    font-weight: 500;
    flex-shrink: 0;
}

.history-status.done { background: var(--green-dim); color: var(--green); }
.history-status.processing,
.history-status.downloading,
.history-status.queued { background: var(--blue-dim); color: var(--blue); }
.history-status.error { background: var(--red-dim); color: var(--red); }

.history-empty {
    text-align: center;
    padding: 20px;
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* ── Error ────────────────────────────────────────────────────── */
.error-msg {
    background: var(--red-dim);
    border: 1px solid var(--red);
    color: var(--red);
    border-radius: var(--radius-sm);
    padding: 12px 16px;
    font-size: 0.85rem;
    display: none;
}
.error-msg.active { display: block; }

/* ── Responsive ───────────────────────────────────────────────── */
@media (max-width: 640px) {
    .header-content { padding: 12px 16px; }
    .header-left h1 { font-size: 1.1rem; }
    .subtitle { display: none; }
    .container { padding: 16px; gap: 16px; }
    .card { padding: 16px; }
    .settings-row { flex-direction: column; }
    .url-input-group { flex-direction: column; }
    .result-actions { flex-direction: column; }
    .btn { width: 100%; justify-content: center; }
    .segment { grid-template-columns: 80px 1fr; }
    .translate-boxes { flex-direction: column; }
    .translate-langs { flex-direction: column; align-items: stretch; }
    .swap-btn { align-self: center; }
}

/* ── Mode Tabs (header nav) ───────────────────────────────────── */
.mode-tabs {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    gap: 0;
    border-bottom: 1px solid var(--border);
}

.mode-tab {
    padding: 10px 24px;
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    border-bottom: 2px solid transparent;
    transition: var(--transition);
}

.mode-tab:hover { color: var(--text-primary); }
.mode-tab.active {
    color: var(--blue);
    border-bottom-color: var(--blue);
}

/* ── Translation UI ───────────────────────────────────────────── */
.translate-langs {
    display: flex;
    align-items: flex-end;
    gap: 12px;
    margin-bottom: 16px;
}

.translate-langs .setting { flex: 1; }

.swap-btn {
    margin-bottom: 2px;
    font-size: 1.2rem !important;
    padding: 8px 12px !important;
}

.translate-boxes {
    display: flex;
    gap: 12px;
    margin-bottom: 16px;
}

.translate-box {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.translate-box textarea {
    background: var(--bg-surface-2);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 14px;
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 0.9rem;
    line-height: 1.6;
    resize: vertical;
    outline: none;
    transition: var(--transition);
    min-height: 160px;
}

.translate-box textarea:focus {
    border-color: var(--blue);
    box-shadow: 0 0 0 2px var(--blue-dim);
}

.translate-box textarea::placeholder { color: var(--text-muted); }

.translate-box textarea[readonly] {
    background: var(--bg-base);
    cursor: default;
}

.translate-box-footer {
    display: flex;
    justify-content: flex-end;
    padding: 6px 4px 0;
}

.char-count {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* ── Install packages ─────────────────────────────────────────── */
.install-hint {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.install-row {
    display: flex;
    align-items: flex-end;
    gap: 12px;
    margin-bottom: 16px;
}

.install-row .setting { flex: 1; }

.install-row .arrow {
    color: var(--text-muted);
    font-size: 1.2rem;
    margin-bottom: 6px;
}

.installed-list {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 8px;
}

.installed-tag {
    background: var(--bg-surface-2);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 4px 12px;
    font-size: 0.78rem;
    color: var(--text-secondary);
}

.installed-tag .arrow { color: var(--text-muted); margin: 0 2px; }

/* ── Translate file upload ──────────────────────────── */
.translate-file-upload {
    margin-top: 16px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.translate-file-drop {
    border: 2px dashed var(--border);
    border-radius: var(--radius);
    padding: 18px;
    text-align: center;
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s;
    color: var(--text-muted);
    font-size: 0.88rem;
}

.translate-file-drop:hover,
.translate-file-drop.drag-over {
    border-color: var(--accent);
    background: var(--bg-surface-2);
}

.translate-file-drop .drop-icon {
    font-size: 1.5rem;
    margin-right: 8px;
}

.translate-file-drop .drop-hint {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 4px;
}

/* ── Subtitles mode ─────────────────────────────────── */
.sub-tab-content { display: none; margin-top: 12px; }
.sub-tab-content.active { display: block; }

.sub-input-tab {
    background: var(--bg-surface-2);
    border: 1px solid var(--border);
    padding: 6px 16px;
    border-radius: 6px 6px 0 0;
    cursor: pointer;
    color: var(--text-secondary);
    font-size: 0.84rem;
}

.sub-input-tab.active {
    background: var(--bg-surface);
    border-bottom-color: transparent;
    color: var(--text-primary);
}

.sub-live-output {
    background: var(--bg-surface-2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
    font-family: 'SF Mono', 'Menlo', 'Monaco', monospace;
    font-size: 0.82rem;
    line-height: 1.6;
    max-height: 500px;
    overflow-y: auto;
    white-space: pre-wrap;
    word-break: break-word;
    color: var(--text-primary);
    min-height: 120px;
}

.sub-meta {
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-left: auto;
    font-weight: 400;
}