/* Reset & Variables (shared with main) */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
    --bg: #0a0a0f;
    --bg-alt: #111118;
    --surface: #1a1a24;
    --border: #2a2a3a;
    --text: #e8e8f0;
    --text-muted: #8888aa;
    --accent: #FF9900;
    --accent-blue: #146EB4;
    --accent-green: #2ECC71;
    --accent-purple: #9B59B6;
    --accent-red: #E74C3C;
    --radius: 12px;
}
body {
    font-family: 'Inter', -apple-system, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    overflow: hidden;
    height: 100vh;
}

/* Navbar */
.navbar {
    position: fixed; top: 0; width: 100%;
    padding: 0.75rem 2rem;
    display: flex; justify-content: space-between; align-items: center;
    background: rgba(10,10,15,0.95); backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border); z-index: 1000;
}
.nav-brand { display: flex; align-items: center; gap: 0.75rem; font-weight: 700; font-size: 1.1rem; }
.nav-links { display: flex; gap: 1.5rem; align-items: center; }
.nav-links a { color: var(--text-muted); text-decoration: none; font-size: 0.85rem; font-weight: 500; transition: color 0.2s; }
.nav-links a:hover { color: var(--accent); }
.tool-title { font-size: 0.9rem; font-weight: 600; color: var(--accent); }

/* Layout */
.viewer-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1px;
    height: calc(100vh - 52px);
    margin-top: 52px;
    background: var(--border);
}

.input-panel, .output-panel {
    display: flex;
    flex-direction: column;
    background: var(--bg);
    overflow: hidden;
}

.panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border);
    background: var(--bg-alt);
    flex-shrink: 0;
}
.panel-header h2 { font-size: 1rem; font-weight: 600; }

.panel-actions { display: flex; gap: 0.5rem; flex-wrap: wrap; align-items: center; }

/* Format Toggle */
.format-toggle {
    display: flex;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 6px;
    overflow: hidden;
    margin-right: 0.25rem;
}
.toggle-btn {
    padding: 0.3rem 0.75rem;
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 0.7rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}
.toggle-btn.active { background: var(--accent); color: #000; }
.toggle-btn:hover:not(.active) { color: var(--text); }

.btn-small {
    padding: 0.3rem 0.7rem;
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--text-muted);
    border-radius: 6px;
    font-size: 0.7rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}
.btn-small:hover { border-color: var(--accent); color: var(--accent); }
.btn-clear { border-color: var(--accent-red); color: var(--accent-red); }
.btn-clear:hover { background: rgba(231,76,60,0.1); }

/* Input */
#manifestInput {
    flex: 1;
    padding: 1.25rem;
    background: #0d1117;
    border: none;
    color: var(--text);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    line-height: 1.6;
    resize: none;
    outline: none;
}
#manifestInput::placeholder { color: #484f58; }

.btn-analyze {
    padding: 0.875rem;
    background: var(--accent);
    border: none;
    color: #000;
    font-weight: 700;
    font-size: 0.9rem;
    cursor: pointer;
    transition: background 0.2s;
    flex-shrink: 0;
}
.btn-analyze:hover { background: #FFB340; }

/* Output Panel */
.output-panel { overflow-y: auto; }

.output-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    flex: 1;
    text-align: center;
    padding: 3rem;
    color: var(--text-muted);
}
.placeholder-icon { font-size: 3rem; margin-bottom: 1rem; opacity: 0.5; }
.placeholder-hint { font-size: 0.8rem; margin-top: 0.5rem; opacity: 0.6; }

.manifest-type-badge {
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}
.badge-master { background: rgba(255,153,0,0.2); color: var(--accent); }
.badge-child { background: rgba(20,110,180,0.2); color: var(--accent-blue); }
.badge-live { background: rgba(231,76,60,0.2); color: var(--accent-red); }

/* Output Sections */
.output-content { padding: 1rem 1.5rem 3rem; }
.output-section { margin-bottom: 2rem; }
.output-section h3 { font-size: 1rem; font-weight: 600; margin-bottom: 1rem; padding-bottom: 0.5rem; border-bottom: 1px solid var(--border); }

/* Summary Grid */
.summary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 0.75rem;
}
.summary-item {
    padding: 1rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    text-align: center;
}
.summary-value { font-size: 1.5rem; font-weight: 700; color: var(--accent); }
.summary-label { font-size: 0.7rem; color: var(--text-muted); margin-top: 0.25rem; text-transform: uppercase; letter-spacing: 1px; }

/* Renditions Table */
.renditions-table { overflow-x: auto; }
.rendition-row {
    display: grid;
    grid-template-columns: 60px 1fr 100px 120px 1fr;
    gap: 0.75rem;
    align-items: center;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    font-size: 0.8rem;
    margin-bottom: 0.5rem;
    background: var(--surface);
    border: 1px solid var(--border);
}
.rendition-row.header {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}
.rendition-bandwidth {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.bandwidth-bar {
    flex: 1;
    height: 6px;
    background: var(--border);
    border-radius: 3px;
    overflow: hidden;
}
.bandwidth-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-green), var(--accent));
    border-radius: 3px;
}
.rendition-res { font-weight: 600; color: var(--accent-blue); }
.rendition-codecs { font-family: 'JetBrains Mono', monospace; font-size: 0.7rem; color: var(--text-muted); }
.rendition-url { font-family: 'JetBrains Mono', monospace; font-size: 0.7rem; color: var(--accent-purple); word-break: break-all; }

/* Segments Timeline */
.segments-timeline { display: flex; flex-direction: column; gap: 0.25rem; }
.segment-row {
    display: grid;
    grid-template-columns: 40px 60px 1fr 80px;
    gap: 0.75rem;
    align-items: center;
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
    font-size: 0.75rem;
    font-family: 'JetBrains Mono', monospace;
}
.segment-row:nth-child(odd) { background: var(--surface); }
.segment-num { color: var(--text-muted); }
.segment-duration { color: var(--accent-green); font-weight: 500; }
.segment-url { color: var(--accent-purple); word-break: break-all; }
.segment-time { color: var(--text-muted); font-size: 0.7rem; }
.segment-row.ad-segment { border-left: 3px solid var(--accent-red); background: rgba(231,76,60,0.05); }
.segment-row.discontinuity { border-left: 3px solid var(--accent); background: rgba(255,153,0,0.05); }

/* Ad Markers */
.ad-markers-list { display: flex; flex-direction: column; gap: 0.75rem; }
.ad-marker-item {
    padding: 1rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-left: 3px solid var(--accent-red);
    border-radius: 0 8px 8px 0;
}
.ad-marker-type { font-size: 0.7rem; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 0.25rem; }
.ad-marker-type.cue-out { color: var(--accent-red); }
.ad-marker-type.cue-in { color: var(--accent-green); }
.ad-marker-type.cue-cont { color: var(--accent); }
.ad-marker-detail { font-size: 0.8rem; color: var(--text-muted); font-family: 'JetBrains Mono', monospace; }

/* DRM */
.drm-info { display: flex; flex-direction: column; gap: 0.75rem; }
.drm-item {
    padding: 1rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
}
.drm-method { font-weight: 600; color: var(--accent-green); margin-bottom: 0.25rem; }
.drm-detail { font-size: 0.8rem; color: var(--text-muted); font-family: 'JetBrains Mono', monospace; word-break: break-all; }

/* Tags List */
.tags-list { display: flex; flex-direction: column; gap: 0.5rem; }
.tag-entry {
    display: flex;
    align-items: baseline;
    gap: 0.75rem;
    padding: 0.5rem 0.75rem;
    background: var(--surface);
    border-radius: 6px;
}
.tag-name {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    color: var(--accent);
    white-space: nowrap;
    min-width: 180px;
}
.tag-count {
    font-size: 0.7rem;
    background: rgba(255,153,0,0.1);
    color: var(--accent);
    padding: 0.1rem 0.5rem;
    border-radius: 10px;
    font-weight: 600;
}
.tag-desc { font-size: 0.75rem; color: var(--text-muted); }

/* Annotated Source */
.annotated-source {
    background: #0d1117;
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 1.25rem;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    line-height: 1.9;
    overflow-x: auto;
    max-height: 500px;
    overflow-y: auto;
    counter-reset: line-counter;
}
.annotated-source table {
    border-collapse: collapse;
    width: 100%;
}
.annotated-source tr:hover { background: rgba(255,255,255,0.02); }
.annotated-source td {
    padding: 0;
    vertical-align: top;
    white-space: nowrap;
}
.annotated-source td.line-num {
    color: #484f58;
    text-align: right;
    padding-right: 1.25rem;
    user-select: none;
    width: 35px;
    border-right: 1px solid #21262d;
}
.annotated-source td.line-content {
    padding-left: 1.25rem;
    white-space: pre;
}
.line-content .hl-tag { color: #FF9900; }
.line-content .hl-attr { color: #79c0ff; }
.line-content .hl-val { color: #7ee787; }
.line-content .hl-url { color: #d2a8ff; }
.line-content .hl-comment { color: #484f58; font-style: italic; }
.line-content .hl-scte { color: #E74C3C; font-weight: 600; }

/* Responsive */
@media (max-width: 900px) {
    .viewer-layout { grid-template-columns: 1fr; grid-template-rows: 40vh 1fr; }
    body { overflow: auto; height: auto; }
    .output-panel { overflow-y: visible; }
}