/* tkk — TikTok Ad Intelligence */

/* === Design Tokens === */
:root {
    --font-heading: 'DM Serif Display', serif;
    --font-body: 'Inter', sans-serif;
    --font-mono: 'Space Mono', monospace;

    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;

    --shadow-sm: 0 1px 3px rgba(0,0,0,.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,.12);
    --shadow-lg: 0 8px 30px rgba(0,0,0,.18);

    --transition: 200ms ease;
}

/* Dark theme (default) */
[data-theme="dark"] {
    --bg: #111117;
    --bg-surface: #1a1a24;
    --bg-elevated: #22222e;
    --text: #e8e6e1;
    --text-muted: #9a978f;
    --text-dim: #5c5a54;
    --accent: #ff2d55;
    --accent-hover: #ff4d6d;
    --accent-soft: rgba(255,45,85,.12);
    --border: rgba(255,255,255,.08);
    --glass-bg: rgba(26,26,36,.7);
    --glass-border: rgba(255,255,255,.06);
    --success: #34c759;
    --warning: #ff9500;
    --error: #ff3b30;
}

/* Warm/light theme */
[data-theme="warm"] {
    --bg: #F2F0EB;
    --bg-surface: #FAFAF8;
    --bg-elevated: #FFFFFF;
    --text: #1a1a1a;
    --text-muted: #666;
    --text-dim: #999;
    --accent: #ff2d55;
    --accent-hover: #e0264b;
    --accent-soft: rgba(255,45,85,.08);
    --border: rgba(0,0,0,.08);
    --glass-bg: rgba(255,255,255,.7);
    --glass-border: rgba(0,0,0,.06);
    --success: #28a745;
    --warning: #e67e00;
    --error: #dc3545;
}

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

body {
    font-family: var(--font-body);
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }

h1, h2, h3 { font-family: var(--font-heading); font-weight: 400; }

/* === Nav === */
.nav {
    display: flex;
    align-items: center;
    gap: 24px;
    padding: 16px 32px;
    border-bottom: 1px solid var(--border);
    background: var(--bg-surface);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(12px);
}

.nav-logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--accent);
    letter-spacing: -1px;
}

.nav-links { display: flex; gap: 16px; }

.nav-link {
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 500;
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}
.nav-link:hover, .nav-link.active {
    color: var(--text);
    background: var(--accent-soft);
}

.nav-right {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 12px;
}

.nav-logout { font-size: 0.85rem; }

.theme-toggle {
    background: none;
    border: 1px solid var(--border);
    color: var(--text-muted);
    cursor: pointer;
    padding: 6px 10px;
    border-radius: var(--radius-sm);
    font-size: 1rem;
}

/* === Main === */
.main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 32px 24px;
}

/* === Glass Card === */
.glass-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: 24px;
    backdrop-filter: blur(16px);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}
.glass-card:hover {
    box-shadow: var(--shadow-md);
}

/* === Hero === */
.hero {
    text-align: center;
    padding: 40px 0 32px;
}
.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 8px;
}
.subtitle {
    color: var(--text-muted);
    font-size: 1.05rem;
}

.stats-row {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-top: 24px;
}
.stat { text-align: center; }
.stat-value {
    display: block;
    font-family: var(--font-mono);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--accent);
}
.stat-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* === Add Form === */
.add-section {
    max-width: 600px;
    margin: 0 auto 40px;
}
.add-form {
    display: flex;
    gap: 12px;
    padding: 12px;
}
.input {
    flex: 1;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 10px 16px;
    color: var(--text);
    font-size: 0.95rem;
    font-family: var(--font-body);
    outline: none;
    transition: var(--transition);
}
.input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-soft);
}

/* === Buttons === */
.btn {
    padding: 10px 20px;
    border: none;
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}
.btn-primary {
    background: var(--accent);
    color: #fff;
}
.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
}
.btn-primary:disabled {
    opacity: .5;
    transform: none;
}
.btn-secondary {
    background: var(--bg-elevated);
    color: var(--text);
    border: 1px solid var(--border);
}
.btn-secondary:hover {
    background: var(--bg-surface);
}

/* === Status Messages === */
.status-msg {
    text-align: center;
    margin-top: 12px;
    font-size: 0.85rem;
    color: var(--text-muted);
}
.status-msg.success { color: var(--success); }
.status-msg.error { color: var(--error); }
.status-msg.processing { color: var(--warning); }

/* === Video Grid === */
.library h2 {
    margin-bottom: 20px;
    font-size: 1.5rem;
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
}

.video-card {
    display: flex;
    flex-direction: column;
    color: var(--text);
    cursor: pointer;
}
.video-card:hover {
    transform: translateY(-2px);
    border-color: var(--accent);
    color: var(--text);
}

.video-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.video-status {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 3px 8px;
    border-radius: 4px;
}
.status-done { background: rgba(52,199,89,.15); color: var(--success); }
.status-analyzing, .status-downloading { background: rgba(255,149,0,.15); color: var(--warning); }
.status-error { background: rgba(255,59,48,.15); color: var(--error); }
.status-pending { background: rgba(150,150,150,.15); color: var(--text-muted); }

.video-score {
    font-family: var(--font-mono);
    font-weight: 700;
    color: var(--accent);
}

.video-card-body { flex: 1; }

.video-author {
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: 4px;
}
.video-desc {
    color: var(--text-muted);
    font-size: 0.85rem;
    line-height: 1.4;
}

.video-card-metrics {
    display: flex;
    gap: 16px;
    margin-top: 12px;
    font-size: 0.8rem;
    font-family: var(--font-mono);
    color: var(--text-dim);
}

/* === Empty State === */
.empty-state {
    text-align: center;
    padding: 48px;
    color: var(--text-muted);
}

/* === Video Detail === */
.back-link {
    display: inline-block;
    margin-bottom: 20px;
    color: var(--text-muted);
    font-size: 0.9rem;
}
.back-link:hover { color: var(--accent); }

.video-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 32px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}
.video-meta h1 { font-size: 2rem; margin-bottom: 8px; }
.video-desc-full { color: var(--text-muted); max-width: 600px; }

.video-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 8px;
}
.tag {
    font-size: 0.75rem;
    color: var(--accent);
    background: var(--accent-soft);
    padding: 2px 10px;
    border-radius: 12px;
}

.video-metrics-detail {
    display: flex;
    gap: 24px;
}
.metric { text-align: center; }
.metric-value {
    display: block;
    font-family: var(--font-mono);
    font-size: 1.4rem;
    font-weight: 700;
}
.metric-label {
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.video-player { margin-bottom: 24px; }

.detail-grid {
    display: grid;
    gap: 20px;
}

/* Analysis */
.analysis-card { position: relative; }
.score-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    font-family: var(--font-mono);
    font-size: 1.5rem;
    font-weight: 700;
    padding: 8px 16px;
    border-radius: var(--radius-md);
}
.score-high { background: rgba(52,199,89,.15); color: var(--success); }
.score-mid { background: rgba(255,149,0,.15); color: var(--warning); }
.score-low { background: rgba(255,59,48,.15); color: var(--error); }

.analysis-summary {
    color: var(--text-muted);
    margin: 16px 0;
    font-size: 0.95rem;
}

.analysis-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin: 20px 0;
}
.analysis-item h3 {
    font-size: 0.8rem;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 4px;
    font-family: var(--font-body);
    font-weight: 600;
}
.analysis-item p { font-size: 0.9rem; }

.analysis-section {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
}
.analysis-section h3 {
    font-size: 0.85rem;
    font-family: var(--font-body);
    font-weight: 600;
    margin-bottom: 6px;
}

/* Transcript */
.transcript-text {
    font-size: 0.9rem;
    line-height: 1.7;
    color: var(--text-muted);
    white-space: pre-wrap;
}

/* Frames */
.frames-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 12px;
}
.frame img {
    width: 100%;
    border-radius: var(--radius-sm);
    aspect-ratio: 9/16;
    object-fit: cover;
}
.frame-info { padding: 8px 0; }
.frame-time {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--accent);
}
.frame-desc {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 4px;
}

/* Comments */
.comments-list { display: flex; flex-direction: column; gap: 12px; }
.comment {
    padding: 12px;
    background: var(--bg);
    border-radius: var(--radius-sm);
}
.comment-user {
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--accent);
}
.comment-text {
    font-size: 0.9rem;
    margin: 4px 0;
}
.comment-likes {
    font-size: 0.75rem;
    color: var(--text-dim);
    font-family: var(--font-mono);
}

.video-actions {
    display: flex;
    gap: 12px;
    margin-top: 24px;
}

/* === Insights === */
.insights-page h1 { font-size: 2rem; margin-bottom: 4px; }

.insights-actions {
    display: flex;
    align-items: center;
    gap: 16px;
    margin: 24px 0;
}
.insight-note {
    font-size: 0.85rem;
    color: var(--text-dim);
}

.insights-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-bottom: 32px;
}
.insight-card.full-width { grid-column: 1 / -1; }
.insight-card h2 { font-size: 1.1rem; margin-bottom: 12px; }
.insight-content {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.6;
}
.rec-item {
    padding: 8px 0;
    border-bottom: 1px solid var(--border);
}
.rec-item:last-child { border-bottom: none; }

/* Comparison table */
.comparison-table-wrapper { overflow-x: auto; margin-top: 20px; }
.comparison-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}
.comparison-table th {
    text-align: left;
    padding: 10px 12px;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-dim);
    border-bottom: 1px solid var(--border);
    font-family: var(--font-body);
    font-weight: 600;
}
.comparison-table td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--border);
}
.comparison-table tr { cursor: pointer; transition: var(--transition); }
.comparison-table tr:hover { background: var(--accent-soft); }

/* === Drafts === */
.drafts-page h1 { font-size: 2rem; margin-bottom: 4px; }

.drafts-actions { margin: 24px 0; }

.drafts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 16px;
}

.draft-card { position: relative; }
.draft-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 12px;
}
.draft-header h3 { font-size: 1.2rem; }
.draft-score {
    font-family: var(--font-mono);
    font-weight: 700;
    color: var(--accent);
    background: var(--accent-soft);
    padding: 4px 10px;
    border-radius: var(--radius-sm);
}

.draft-hook {
    font-size: 0.9rem;
    margin-bottom: 8px;
    padding: 8px 12px;
    background: var(--accent-soft);
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--accent);
}

.draft-concept {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 12px;
}

.draft-length {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-dim);
}

.draft-structure {
    font-size: 0.85rem;
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--border);
}
.draft-structure ol {
    margin-top: 8px;
    padding-left: 20px;
}
.draft-structure li {
    margin-bottom: 4px;
    color: var(--text-muted);
}

.draft-meta {
    display: flex;
    justify-content: space-between;
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--border);
}
.draft-status {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 2px 8px;
    border-radius: 4px;
}
.status-idea { background: rgba(150,150,150,.15); color: var(--text-muted); }
.status-scripted { background: rgba(255,149,0,.15); color: var(--warning); }
.status-filmed { background: rgba(52,199,89,.15); color: var(--success); }

.draft-date {
    font-size: 0.8rem;
    color: var(--text-dim);
    font-family: var(--font-mono);
}

/* === Sources === */
.sources-page h1 { font-size: 2rem; margin-bottom: 4px; }

.source-type-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
}
.tab {
    padding: 8px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    font-family: var(--font-body);
    font-size: 0.85rem;
    transition: var(--transition);
}
.tab.active {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}
.tab:hover:not(.active) { background: var(--accent-soft); }

.textarea {
    resize: vertical;
    min-height: 80px;
    font-family: var(--font-body);
}

.sources-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 24px;
}
.source-card .source-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}
.source-card .source-meta {
    display: flex;
    gap: 12px;
    align-items: center;
    font-size: 0.85rem;
}
.source-url { color: var(--text-dim); font-size: 0.8rem; }

.source-header-detail { margin-bottom: 24px; }
.source-header-detail h1 { font-size: 2rem; margin-bottom: 8px; }
.source-header-detail .source-meta {
    display: flex;
    gap: 12px;
    align-items: center;
}

details { cursor: pointer; }
details summary {
    font-weight: 600;
    font-size: 0.9rem;
    padding: 4px 0;
}

.segments-grid {
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.segment-card .segment-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 12px;
}
.segment-narration {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 12px;
}
.segment-actions {
    display: flex;
    gap: 12px;
    align-items: center;
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--border);
}
.btn-sm { padding: 6px 14px; font-size: 0.8rem; }

.blueprint-details {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--border);
}
.blueprint-scenes {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: 8px;
}
.blueprint-scene {
    display: flex;
    gap: 8px;
    align-items: flex-start;
    font-size: 0.85rem;
    padding: 8px;
    background: var(--bg);
    border-radius: var(--radius-sm);
}
.blueprint-scene p { flex: 1; color: var(--text-muted); }
.scene-type { font-size: 0.7rem; }

/* === Login === */
.login-page {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 60vh;
}
.login-card {
    max-width: 400px;
    width: 100%;
    text-align: center;
}
.login-card h1 {
    font-size: 2.5rem;
    color: var(--accent);
    margin-bottom: 4px;
}
.login-card .subtitle {
    margin-bottom: 28px;
}
.login-card .input {
    width: 100%;
}
.sent-icon {
    font-size: 3rem;
    margin-bottom: 12px;
}
.text-muted {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* === Responsive === */
@media (max-width: 768px) {
    .nav { padding: 12px 16px; gap: 12px; }
    .main { padding: 20px 16px; }
    .hero h1 { font-size: 1.8rem; }
    .stats-row { gap: 20px; }
    .stat-value { font-size: 1.3rem; }
    .video-grid { grid-template-columns: 1fr; }
    .video-header { flex-direction: column; }
    .video-metrics-detail { flex-wrap: wrap; gap: 16px; }
    .insights-grid { grid-template-columns: 1fr; }
    .frames-grid { grid-template-columns: repeat(2, 1fr); }
    .drafts-grid { grid-template-columns: 1fr; }
}