/* ACRLDS LMS — Single stylesheet */

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

:root {
    --bg: #0f1117;
    --bg-surface: #181a20;
    --bg-raised: #1e2028;
    --bg-hover: #252830;
    --border: #2a2d36;
    --border-light: #33363f;
    --text: #e0e0e6;
    --text-muted: #8b8d97;
    --text-dim: #5c5e66;
    --accent: #6c8cff;
    --accent-hover: #8aa4ff;
    --green: #34d399;
    --green-bg: #0d2818;
    --amber: #fbbf24;
    --amber-bg: #2d2006;
    --red: #f87171;
    --red-bg: #2d0f0f;
    --blue: #60a5fa;
    --blue-bg: #0f1a2d;
    --grey: #6b7280;
    --grey-bg: #1f2028;
    --font: 'SF Mono', 'Fira Code', 'JetBrains Mono', monospace;
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --radius: 6px;
    --radius-lg: 10px;
}

html { font-size: 14px; }
body {
    font-family: var(--font-sans);
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

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

code {
    font-family: var(--font);
    font-size: 0.85em;
    background: var(--bg-raised);
    padding: 1px 5px;
    border-radius: 3px;
}

/* ── Layout ──────────────────────────────────────────────────────────────── */
.layout {
    display: grid;
    grid-template-columns: 220px 1fr;
    min-height: 100vh;
}

/* ── Sidebar ─────────────────────────────────────────────────────────────── */
.sidebar {
    background: var(--bg-surface);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    padding: 0;
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
}

.sidebar-header {
    padding: 20px 16px 12px;
    border-bottom: 1px solid var(--border);
}

.logo {
    font-family: var(--font);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: 1px;
}

.logo-sub {
    display: block;
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-top: 2px;
}

/* ── Sidebar Sections ────────────────────────────────────────────────────── */
.sidebar-section {
    padding: 8px 0;
    border-bottom: 1px solid var(--border);
}

.sidebar-section-title {
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-dim);
    padding: 4px 16px 6px;
}

/* ── Tree Navigation ────────────────────────────────────────────────────── */
.tree-node { }

.tree-link {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 5px 16px;
    color: var(--text-muted);
    font-size: 0.8rem;
    text-decoration: none;
    transition: all 0.1s;
}

.tree-link:hover {
    color: var(--text);
    background: var(--bg-hover);
}

.tree-link.active {
    color: var(--accent);
    background: var(--bg-raised);
    font-weight: 600;
}

.tree-icon { font-size: 0.75em; flex-shrink: 0; }
.tree-label { flex: 1; font-family: var(--font); font-size: 0.75rem; }

.tree-badge {
    font-size: 0.6rem;
    font-weight: 600;
    text-transform: uppercase;
    padding: 1px 4px;
    border-radius: 3px;
    flex-shrink: 0;
}

.tree-row {
    display: flex;
    align-items: center;
}

.tree-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 16px;
    font-size: 0.7rem;
    color: var(--text-muted);
    cursor: pointer;
    flex-shrink: 0;
    transition: transform 0.15s;
    user-select: none;
}

.tree-toggle.open {
    transform: rotate(90deg);
}

.tree-toggle:hover {
    color: var(--text);
}

.tree-children {
    padding-left: 16px;
    border-left: 1px solid var(--border);
    margin-left: 24px;
    display: none;
    overflow: hidden;
}

.tree-children.open {
    display: block;
}

.nav-list {
    list-style: none;
    padding: 8px 0;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    color: var(--text-muted);
    font-size: 0.85rem;
    transition: all 0.15s;
}

.nav-link:hover {
    color: var(--text);
    background: var(--bg-hover);
}

.nav-link.active {
    color: var(--accent);
    background: var(--bg-raised);
    border-right: 2px solid var(--accent);
}

.nav-icon { font-size: 0.9em; }

.sidebar-footer {
    padding: 12px 16px;
    border-top: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: auto;
}

.env-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
}

.env-dot.ok { background: var(--green); }
.env-dot.err { background: var(--red); }

/* ── Main Content ────────────────────────────────────────────────────────── */
.content {
    padding: 20px 32px 40px;
    max-width: 1100px;
}

.breadcrumbs {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 16px;
}

.breadcrumbs a {
    color: var(--text-muted);
}

.breadcrumbs a:hover { color: var(--accent); }

/* ── Page Header ─────────────────────────────────────────────────────────── */
.page-header {
    margin-bottom: 24px;
}

.page-header h2 {
    font-size: 1.4rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
}

.subtitle {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-top: 4px;
}

.header-meta {
    display: flex;
    gap: 6px;
    margin-top: 8px;
}

/* ── Entity IDs & Tags ───────────────────────────────────────────────────── */
.entity-id {
    font-family: var(--font);
    font-size: 0.85em;
    color: var(--accent);
    background: var(--bg-raised);
    padding: 2px 8px;
    border-radius: 4px;
    cursor: help;
}

.entity-link {
    font-family: var(--font);
    font-weight: 500;
}

.tag {
    display: inline-block;
    font-size: 0.75rem;
    padding: 2px 8px;
    border-radius: 4px;
    background: var(--bg-raised);
    color: var(--text-muted);
    border: 1px solid var(--border);
}

.tag-green { background: var(--green-bg); color: var(--green); border-color: #1a4028; }
.tag-amber { background: var(--amber-bg); color: var(--amber); border-color: #4d3a0d; }
.tag-grey  { background: var(--grey-bg); color: var(--grey); }

/* ── Badges ──────────────────────────────────────────────────────────────── */
.badge {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 3px 8px;
    border-radius: 4px;
}

.badge-green { background: var(--green-bg); color: var(--green); }
.badge-amber { background: var(--amber-bg); color: var(--amber); }
.badge-red   { background: var(--red-bg); color: var(--red); }
.badge-blue  { background: var(--blue-bg); color: var(--blue); }
.badge-grey  { background: var(--grey-bg); color: var(--grey); }

/* ── Verdicts ────────────────────────────────────────────────────────────── */
.verdict {
    font-family: var(--font);
    font-size: 0.8rem;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 4px;
    cursor: help;
}

.verdict-approve { background: var(--green-bg); color: var(--green); }
.verdict-upgrade { background: var(--amber-bg); color: var(--amber); }
.verdict-rework  { background: var(--red-bg); color: var(--red); }
.verdict-reject  { background: var(--red-bg); color: var(--red); }

.score {
    font-family: var(--font);
    font-size: 0.9rem;
    margin-left: 8px;
}

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

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

.count {
    font-size: 0.75rem;
    color: var(--text-dim);
    background: var(--bg-raised);
    padding: 2px 8px;
    border-radius: 10px;
}

/* ── Cards ────────────────────────────────────────────────────────────────── */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
}

.card {
    display: block;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 16px;
    transition: all 0.15s;
    color: var(--text);
}

.card:hover {
    border-color: var(--accent);
    background: var(--bg-raised);
    color: var(--text);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.card-body h3 {
    font-size: 1rem;
    font-weight: 500;
    margin-bottom: 6px;
}

.card-body .tag { margin-right: 4px; }

.card-footer {
    margin-top: 10px;
    padding-top: 8px;
    border-top: 1px solid var(--border);
}

/* ── Panels ───────────────────────────────────────────────────────────────── */
.panel {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    margin-bottom: 20px;
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
}

.panel-header h3 {
    font-size: 0.9rem;
    font-weight: 600;
}

.panel-body {
    padding: 16px;
}

/* ── Info Rows ────────────────────────────────────────────────────────────── */
.info-row {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 4px 0;
}

.info-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    min-width: 80px;
}

/* ── Tables ───────────────────────────────────────────────────────────────── */
.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
}

.data-table th {
    text-align: left;
    padding: 8px 12px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border);
}

.data-table td {
    padding: 8px 12px;
    border-bottom: 1px solid var(--border);
}

.data-table tr:last-child td { border-bottom: none; }

.data-table tr:hover td {
    background: var(--bg-hover);
}

/* ── Empty State ─────────────────────────────────────────────────────────── */
.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-muted);
}

.hint {
    font-size: 0.8rem;
    color: var(--text-dim);
    margin-top: 4px;
}

/* ── Error Messages ──────────────────────────────────────────────────────── */
.error-list { margin-top: 8px; }

.error-msg {
    color: var(--red);
    font-size: 0.85rem;
    padding: 4px 0;
}

/* ── Pipeline Flow ───────────────────────────────────────────────────────── */
.pipeline-flow {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 0;
}

.pipeline-node {
    font-family: var(--font);
    font-size: 0.85rem;
    padding: 8px 16px;
    background: var(--bg-raised);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.pipeline-arrow {
    color: var(--text-dim);
    font-size: 1.2rem;
    flex-shrink: 0;
}

.pipeline-stage { text-align: center; }

.pipeline-detail {
    font-size: 0.7rem;
    color: var(--text-dim);
    margin-top: 4px;
}

.pipeline-gate {
    background: var(--amber-bg) !important;
    border-color: #4d3a0d !important;
    color: var(--amber) !important;
}

/* ── Output Links ────────────────────────────────────────────────────────── */
.output-links {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.output-link {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 6px 12px;
    background: var(--bg-raised);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-family: var(--font);
    font-size: 0.8rem;
    color: var(--text-muted);
    transition: all 0.15s;
}

.output-link:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--bg-hover);
}

.output-icon {
    font-size: 0.9em;
}

/* ── Buttons ─────────────────────────────────────────────────────────────── */
.action-buttons {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    align-items: center;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 8px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-family: var(--font-sans);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s;
    background: var(--bg-raised);
    color: var(--text);
}

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

.btn-primary {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}

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

.btn-secondary {
    background: var(--bg-raised);
    color: var(--text-muted);
}

.btn-danger {
    background: var(--red-bg);
    color: var(--red);
    border-color: #4d1f1f;
}

.btn-danger:hover { background: #3d1515; }

/* ── Search ──────────────────────────────────────────────────────────────── */
.search-form {
    display: flex;
    gap: 8px;
    align-items: center;
}

.search-input {
    flex: 1;
    max-width: 400px;
    padding: 8px 12px;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font-family: var(--font-sans);
    font-size: 0.85rem;
}

.search-input:focus {
    outline: none;
    border-color: var(--accent);
}

/* ── Pagination ──────────────────────────────────────────────────────────── */
.pagination {
    display: flex;
    gap: 12px;
    align-items: center;
    margin-top: 16px;
}

/* ── Preview Panel (slide-out) ───────────────────────────────────────────── */
.preview-panel {
    position: fixed;
    top: 0;
    right: -55vw;
    width: 55vw;
    height: 100vh;
    background: var(--bg-surface);
    border-left: 2px solid var(--accent);
    z-index: 100;
    transition: right 0.25s ease;
    display: flex;
    flex-direction: column;
    box-shadow: -4px 0 24px rgba(0,0,0,0.5);
}

.preview-panel.open {
    right: 0;
}

.content.preview-active {
    margin-right: 55vw;
    transition: margin-right 0.25s ease;
}

.preview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 16px;
    border-bottom: 1px solid var(--border);
    background: var(--bg-raised);
    flex-shrink: 0;
}

.preview-title {
    font-family: var(--font);
    font-size: 0.85rem;
    color: var(--text);
}

.preview-close {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0 4px;
    line-height: 1;
}

.preview-close:hover { color: var(--red); }

.preview-iframe {
    flex: 1;
    border: none;
    width: 100%;
    background: #fff;
}

/* ── HTMX Indicators ─────────────────────────────────────────────────────── */

.htmx-indicator { display: none; }
.htmx-request .htmx-indicator, .htmx-request.htmx-indicator { display: inline; }

/* ── Trace Map ───────────────────────────────────────────────────────────── */

.trace-map td:first-child {
    width: 40px;
    text-align: center;
    font-size: 0.7rem;
    color: var(--text-dim);
    font-weight: 600;
}

.trace-map td:nth-child(2) code {
    font-size: 0.75rem;
    white-space: nowrap;
}

.trace-map td:nth-child(4) {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.trace-map td:nth-child(5) code {
    font-size: 0.7rem;
    color: var(--text-dim);
}

.trace-map .phase-header td {
    background: var(--bg-raised);
    font-weight: 700;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--accent);
    padding: 8px 12px;
    border-top: 2px solid var(--border);
}

.trace-map .gate-row td {
    background: rgba(255, 180, 50, 0.08);
    border-left: 3px solid var(--amber);
}

/* ══════════════════════════════════════════════════════════════════════
 * KB BROWSER (redesigned)
 * ══════════════════════════════════════════════════════════════════════ */

:root {
    --kb-learning:   #6c8cff;
    --kb-pedagogy:   #fbbf24;
    --kb-visual:     #34d399;
    --kb-curriculum: #a78bfa;
    --kb-components: #2dd4bf;
}

/* Full-width KB pages */
.content:has(.kb-shell) { max-width: none; padding-right: 32px; }
.kb-shell { display: block; }

/* ── Hero + Search ─────────────────────────────────────────────────── */
.kb-hero { margin-bottom: 18px; }
.kb-hero h2 { font-size: 1.5rem; font-weight: 700; margin-bottom: 4px; }
.kb-hero .subtitle { font-size: 0.88rem; margin-bottom: 14px; }

.kb-search-bar {
    display: flex; align-items: center; gap: 10px;
    padding: 12px 16px;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    max-width: 760px; margin-bottom: 16px;
    transition: all 0.15s;
}
.kb-search-bar:focus-within {
    border-color: var(--accent); background: var(--bg-raised);
    box-shadow: 0 0 0 3px rgba(108,140,255,0.12);
}
.kb-search-bar-icon { color: var(--text-dim); flex-shrink: 0; }
.kb-search-bar input {
    flex: 1; background: transparent; border: none; outline: none;
    color: var(--text); font: 500 0.92rem/1.2 var(--font-sans);
}
.kb-search-bar input::placeholder { color: var(--text-dim); }
.kb-kbd {
    font-family: var(--font); font-size: 0.68rem; font-weight: 600;
    padding: 2px 8px; background: var(--bg-raised);
    color: var(--text-dim); border-radius: 4px;
}

/* ── Filter Strip (horizontal) ─────────────────────────────────────── */
.kb-filter-strip {
    display: flex; align-items: center; flex-wrap: wrap; gap: 6px;
    padding: 10px 14px; margin-bottom: 20px;
    background: var(--bg-surface); border: 1px solid var(--border);
    border-radius: var(--radius-lg);
}
.kb-filter-label {
    font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.7px;
    font-weight: 700; color: var(--text-dim); margin: 0 4px;
}
.kb-pill {
    display: inline-flex; align-items: center; gap: 4px;
    padding: 4px 11px; border-radius: 14px;
    background: var(--bg-raised); color: var(--text-muted);
    font-size: 0.78rem; text-decoration: none;
    border: 1px solid transparent; cursor: pointer;
    transition: all 0.15s;
}
.kb-pill:hover { color: var(--text); background: var(--bg-hover); }
.kb-pill.active { background: var(--accent); color: #fff; font-weight: 600; }
.kb-pill--cat-learning   { color: var(--kb-learning);   background: rgba(108,140,255,0.09); border-color: rgba(108,140,255,0.22); }
.kb-pill--cat-pedagogy   { color: var(--kb-pedagogy);   background: rgba(251,191,36,0.09);  border-color: rgba(251,191,36,0.22); }
.kb-pill--cat-visual     { color: var(--kb-visual);     background: rgba(52,211,153,0.09);  border-color: rgba(52,211,153,0.22); }
.kb-pill--cat-curriculum { color: var(--kb-curriculum); background: rgba(167,139,250,0.09); border-color: rgba(167,139,250,0.22); }
.kb-pill-sep { width: 1px; height: 18px; background: var(--border); margin: 0 6px; }

/* ── Knowledge Graph ───────────────────────────────────────────────── */
.kb-graph-wrap {
    background: var(--bg-surface); border: 1px solid var(--border);
    border-radius: var(--radius-lg); margin-bottom: 22px; overflow: hidden;
}
.kb-graph-header {
    display: flex; justify-content: space-between; align-items: center;
    padding: 12px 16px; border-bottom: 1px solid var(--border);
}
.kb-graph-header h3 { font-size: 0.92rem; font-weight: 700; }
.kb-graph-header .hint { margin: 0; }
.kb-graph { width: 100%; height: 440px; display: block; }
.kb-graph-zone { fill-opacity: 0.05; stroke: none; }
.kb-graph-zone-label {
    font-size: 10px; font-weight: 700; letter-spacing: 1.2px;
    fill-opacity: 0.75; font-family: var(--font-sans);
}
.kb-graph-edge { fill: none; stroke-opacity: 0.28; transition: stroke-opacity 0.2s; }
.kb-graph-node { cursor: pointer; }
.kb-graph-node-halo { fill-opacity: 0.08; }
.kb-graph-node-glow { fill-opacity: 0.22; }
.kb-graph-node-core { transition: all 0.2s; }
.kb-graph-node:hover .kb-graph-node-core { filter: brightness(1.2); }
.kb-graph-node:hover .kb-graph-node-halo { fill-opacity: 0.18; }
.kb-graph-count {
    font-family: var(--font); font-size: 9px; font-weight: 700;
    fill: var(--bg); text-anchor: middle; dominant-baseline: middle;
    pointer-events: none;
}
.kb-graph-label {
    font-size: 10px; font-weight: 500; text-anchor: middle;
    pointer-events: none; font-family: var(--font-sans);
}

/* ── Category Sections (4-up) ──────────────────────────────────────── */
.kb-categories {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px;
    margin-bottom: 20px;
}
@media (max-width: 1500px) { .kb-categories { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 820px)  { .kb-categories { grid-template-columns: 1fr; } }

.kb-cat {
    display: flex; flex-direction: column;
    padding: 14px 14px 12px;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-top: 3px solid;
    border-radius: var(--radius-lg);
}
.kb-cat--learning   { border-top-color: var(--kb-learning); }
.kb-cat--pedagogy   { border-top-color: var(--kb-pedagogy); }
.kb-cat--visual     { border-top-color: var(--kb-visual); }
.kb-cat--curriculum { border-top-color: var(--kb-curriculum); }
.kb-cat-head { margin-bottom: 10px; }
.kb-cat-head h4 { font-size: 0.9rem; font-weight: 700; margin-bottom: 2px; }
.kb-cat--learning   .kb-cat-head h4 { color: var(--kb-learning); }
.kb-cat--pedagogy   .kb-cat-head h4 { color: var(--kb-pedagogy); }
.kb-cat--visual     .kb-cat-head h4 { color: var(--kb-visual); }
.kb-cat--curriculum .kb-cat-head h4 { color: var(--kb-curriculum); }
.kb-cat-meta { font-size: 0.7rem; color: var(--text-dim); }

.kb-cat-table {
    display: flex; gap: 10px; align-items: flex-start;
    padding: 10px 12px;
    background: var(--bg-raised);
    border-left: 3px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 6px;
    text-decoration: none; color: var(--text);
    transition: all 0.15s;
}
.kb-cat-table:hover { background: var(--bg-hover); transform: translateX(2px); color: var(--text); }
.kb-cat--learning   .kb-cat-table { border-left-color: var(--kb-learning); }
.kb-cat--pedagogy   .kb-cat-table { border-left-color: var(--kb-pedagogy); }
.kb-cat--visual     .kb-cat-table { border-left-color: var(--kb-visual); }
.kb-cat--curriculum .kb-cat-table { border-left-color: var(--kb-curriculum); }
.kb-cat-table-body { flex: 1; min-width: 0; }
.kb-cat-table-name { font-family: var(--font); font-size: 0.78rem; font-weight: 700; }
.kb-cat--learning   .kb-cat-table-name { color: var(--kb-learning); }
.kb-cat--pedagogy   .kb-cat-table-name { color: var(--kb-pedagogy); }
.kb-cat--visual     .kb-cat-table-name { color: var(--kb-visual); }
.kb-cat--curriculum .kb-cat-table-name { color: var(--kb-curriculum); }
.kb-cat-table-desc { font-size: 0.72rem; color: var(--text-muted); margin-top: 4px; line-height: 1.45; }

.kb-count-pill {
    font-family: var(--font); font-size: 0.68rem; font-weight: 700;
    padding: 3px 9px; border-radius: 11px; flex-shrink: 0; letter-spacing: 0.2px;
}
.kb-cat--learning   .kb-count-pill { background: rgba(108,140,255,0.15); color: var(--kb-learning); }
.kb-cat--pedagogy   .kb-count-pill { background: rgba(251,191,36,0.15);  color: var(--kb-pedagogy); }
.kb-cat--visual     .kb-count-pill { background: rgba(52,211,153,0.15);  color: var(--kb-visual); }
.kb-cat--curriculum .kb-count-pill { background: rgba(167,139,250,0.15); color: var(--kb-curriculum); }

/* ── Page header (reusable) ────────────────────────────────────────── */
.kb-page-header {
    display: flex; align-items: flex-start; justify-content: space-between;
    gap: 16px; padding-bottom: 14px; margin-bottom: 16px;
    border-bottom: 1px solid var(--border);
}
.kb-page-header-left { flex: 1; }
.kb-page-header h2 {
    font-size: 1.3rem; font-weight: 700;
    display: flex; align-items: center; gap: 12px;
    margin-bottom: 4px;
}
.kb-page-header .subtitle { font-size: 0.84rem; }
.kb-table-name-badge {
    font-family: var(--font); font-size: 0.88rem; font-weight: 700;
    padding: 5px 12px; border-radius: 6px;
    background: var(--bg-raised);
}
.kb-table-name-badge.kb--learning   { background: rgba(108,140,255,0.15); color: var(--kb-learning); }
.kb-table-name-badge.kb--pedagogy   { background: rgba(251,191,36,0.15);  color: var(--kb-pedagogy); }
.kb-table-name-badge.kb--visual     { background: rgba(52,211,153,0.15);  color: var(--kb-visual); }
.kb-table-name-badge.kb--curriculum { background: rgba(167,139,250,0.15); color: var(--kb-curriculum); }
.kb-table-name-badge.kb--components { background: rgba(45,212,191,0.15);  color: var(--kb-components); }
.kb-results-count {
    font-family: var(--font); font-size: 0.8rem; font-weight: 700;
    padding: 6px 14px;
    background: rgba(108,140,255,0.1); color: var(--accent);
    border-radius: var(--radius); flex-shrink: 0;
}

/* ── Browse Layout (filter + grid) ─────────────────────────────────── */
.kb-browse {
    display: grid; grid-template-columns: 240px 1fr;
    gap: 20px; margin-top: 16px;
}
@media (max-width: 1100px) { .kb-browse { grid-template-columns: 1fr; } }

.kb-filter-panel {
    background: var(--bg-surface); border: 1px solid var(--border);
    border-radius: var(--radius-lg); padding: 14px;
    align-self: flex-start; position: sticky; top: 16px;
}
.kb-filter-panel h4 {
    font-size: 0.82rem; font-weight: 700; margin-bottom: 10px;
    padding-bottom: 10px; border-bottom: 1px solid var(--border);
}
.kb-filter-section { margin-bottom: 14px; padding-bottom: 12px; border-bottom: 1px solid var(--border); }
.kb-filter-section:last-child { border-bottom: none; margin-bottom: 0; padding-bottom: 0; }
.kb-filter-section-label {
    display: block; font-size: 0.66rem; font-weight: 700;
    text-transform: uppercase; letter-spacing: 0.7px;
    color: var(--text-dim); margin-bottom: 6px;
}
.kb-filter-option {
    display: flex; align-items: center; gap: 8px;
    padding: 5px 8px; margin: 1px -4px;
    border-radius: 4px;
    font-size: 0.8rem; color: var(--text-muted);
    text-decoration: none; transition: all 0.15s;
    font-family: var(--font);
}
.kb-filter-option:hover { background: var(--bg-hover); color: var(--text); }
.kb-filter-option.active {
    background: rgba(108,140,255,0.12);
    color: var(--accent); font-weight: 600;
}
.kb-filter-check {
    width: 12px; height: 12px; border-radius: 3px;
    background: var(--bg); border: 1px solid var(--border);
    flex-shrink: 0; position: relative;
}
.kb-filter-option.active .kb-filter-check {
    background: var(--accent); border-color: var(--accent);
}
.kb-filter-option.active .kb-filter-check::after {
    content: ""; position: absolute; left: 3px; top: 1px;
    width: 4px; height: 7px;
    border: solid var(--bg); border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

/* ── Search-mode + coverage ────────────────────────────────────────── */
.kb-search-mode {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 4px 10px; border-radius: 12px;
    font-size: 0.72rem; font-weight: 600;
    background: var(--bg-raised); color: var(--text-muted);
}
.kb-search-mode.semantic  { background: rgba(52,211,153,0.12); color: var(--green); }
.kb-search-mode.substring { background: rgba(251,191,36,0.12); color: var(--amber); }
.kb-search-mode::before { content: "●"; font-size: 0.55rem; }

.kb-coverage {
    padding: 10px 12px; border-radius: var(--radius);
    background: var(--bg-raised); border-left: 3px solid var(--green);
    margin-bottom: 12px;
}
.kb-coverage--thin       { border-left-color: var(--amber); }
.kb-coverage--very-thin  { border-left-color: var(--red); }
.kb-coverage-label {
    display: block; font-size: 0.72rem; font-weight: 700;
    letter-spacing: 0.5px; color: var(--green);
    text-transform: uppercase; margin-bottom: 2px;
}
.kb-coverage--thin       .kb-coverage-label { color: var(--amber); }
.kb-coverage--very-thin  .kb-coverage-label { color: var(--red); }
.kb-coverage-note { font-size: 0.75rem; color: var(--text-muted); line-height: 1.45; }

/* ── KB Cards (generic base + table variants) ──────────────────────── */
.kb-card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 14px;
}

.kb-card {
    position: relative;
    display: flex; flex-direction: column;
    padding: 14px; padding-left: 14px;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    transition: all 0.15s;
    color: var(--text);
    text-decoration: none;
    min-height: 160px;
}
.kb-card:hover {
    background: var(--bg-raised);
    border-color: var(--accent);
    color: var(--text);
    transform: translateY(-1px);
}
.kb-card--learning   { border-left: 3px solid var(--kb-learning); }
.kb-card--pedagogy   { border-left: 3px solid var(--kb-pedagogy); }
.kb-card--visual     { border-left: 3px solid var(--kb-visual); }
.kb-card--curriculum { border-left: 3px solid var(--kb-curriculum); }
.kb-card--components { border-left: 3px solid var(--kb-components); }

.kb-card-head {
    display: flex; align-items: flex-start; justify-content: space-between;
    gap: 10px; margin-bottom: 8px;
}
.kb-card-code {
    font-family: var(--font); font-size: 0.88rem; font-weight: 700;
    color: var(--accent); flex-shrink: 0;
}
.kb-card--pedagogy   .kb-card-code { color: var(--kb-pedagogy); }
.kb-card--visual     .kb-card-code { color: var(--kb-visual); }
.kb-card--curriculum .kb-card-code { color: var(--kb-curriculum); }
.kb-card--components .kb-card-code { color: var(--kb-components); }

.kb-card-badges {
    display: flex; gap: 4px; flex-wrap: wrap; justify-content: flex-end;
}

.kb-chip {
    font-size: 0.62rem; font-weight: 600; letter-spacing: 0.2px;
    padding: 2px 7px; border-radius: 10px;
    background: var(--bg-raised); color: var(--text-muted);
    white-space: nowrap;
}
.kb-chip--grade         { background: rgba(96,165,250,0.15);  color: var(--blue); }
.kb-chip--cpa-concrete  { background: rgba(52,211,153,0.15);  color: var(--green); }
.kb-chip--cpa-pictorial { background: rgba(96,165,250,0.15);  color: var(--blue); }
.kb-chip--cpa-abstract  { background: rgba(167,139,250,0.15); color: var(--kb-curriculum); }
.kb-chip--strand        { background: rgba(251,191,36,0.15);  color: var(--amber); }
.kb-chip--learn         { background: rgba(52,211,153,0.15);  color: var(--green); }
.kb-chip--practice      { background: rgba(251,191,36,0.15);  color: var(--amber); }
.kb-chip--sev-high      { background: rgba(248,113,113,0.15); color: var(--red); }
.kb-chip--sev-medium    { background: rgba(251,191,36,0.15);  color: var(--amber); }
.kb-chip--sev-low       { background: rgba(52,211,153,0.15);  color: var(--green); }
.kb-chip--risk-high     { background: rgba(248,113,113,0.15); color: var(--red); }
.kb-chip--risk-medium   { background: rgba(251,191,36,0.15);  color: var(--amber); }
.kb-chip--risk-low      { background: rgba(52,211,153,0.15);  color: var(--green); }
.kb-chip--conf-high     { background: rgba(52,211,153,0.15);  color: var(--green); }
.kb-chip--conf-medium   { background: rgba(251,191,36,0.15);  color: var(--amber); }
.kb-chip--conf-low      { background: rgba(248,113,113,0.15); color: var(--red); }
.kb-chip--type          { background: rgba(45,212,191,0.15);  color: var(--kb-components); }
.kb-chip--curr          { background: rgba(167,139,250,0.15); color: var(--kb-curriculum); }
.kb-chip--bloom         { background: rgba(45,212,191,0.15);  color: var(--kb-components); }

.kb-card-body {
    font-size: 0.82rem; color: var(--text); line-height: 1.5;
    margin-bottom: 10px; flex: 1;
}
.kb-card-body--muted { color: var(--text-muted); }
.kb-card-body.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.kb-card-body .lbl {
    display: block; font-size: 0.66rem; font-weight: 700;
    text-transform: uppercase; letter-spacing: 0.6px;
    color: var(--text-dim); margin-bottom: 3px;
}

.kb-card-divider { border-top: 1px solid var(--border); margin: 4px 0 8px; }

.kb-card-fks {
    display: flex; gap: 5px; flex-wrap: wrap; margin-bottom: 6px;
}
.kb-fk-chip {
    display: inline-flex; align-items: center; gap: 3px;
    font-size: 0.68rem; font-weight: 600;
    padding: 3px 8px; border-radius: 10px;
    background: var(--bg-raised); color: var(--text-muted);
    text-decoration: none;
}
.kb-fk-chip--misconception { background: rgba(251,191,36,0.12);  color: var(--amber); }
.kb-fk-chip--vir           { background: rgba(52,211,153,0.12);  color: var(--green); }
.kb-fk-chip--false-friend  { background: rgba(248,113,113,0.12); color: var(--red); }
.kb-fk-chip--stage         { background: rgba(108,140,255,0.12); color: var(--accent); }
.kb-fk-chip--cluster       { background: rgba(167,139,250,0.12); color: var(--kb-curriculum); }
.kb-fk-chip--ias           { background: rgba(52,211,153,0.12);  color: var(--green); }
.kb-fk-chip:hover { filter: brightness(1.25); }

.kb-card-tags { display: flex; gap: 4px; flex-wrap: wrap; margin-bottom: 4px; }
.kb-tag-small {
    font-size: 0.65rem; color: var(--text-dim);
    padding: 1px 7px; background: var(--bg-raised);
    border-radius: 8px; font-family: var(--font);
}

.kb-card-footer {
    margin-top: auto;
    display: flex; justify-content: space-between; align-items: center;
    font-size: 0.72rem; color: var(--text-dim);
    padding-top: 8px; border-top: 1px solid var(--border);
}
.kb-card-footer .kb-open-link { color: var(--accent); font-weight: 600; }
.kb-card-footer .kb-open-link:hover { text-decoration: underline; }

/* ── Record Detail ─────────────────────────────────────────────────── */
.kb-record {
    display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr);
    gap: 20px; margin-top: 16px;
}
@media (max-width: 1100px) { .kb-record { grid-template-columns: 1fr; } }
.kb-record-col {
    background: var(--bg-surface); border: 1px solid var(--border);
    border-radius: var(--radius-lg); padding: 16px;
    min-width: 0;
}
.kb-record-col > h4 {
    font-size: 0.76rem; font-weight: 700; letter-spacing: 0.6px;
    color: var(--text-dim); text-transform: uppercase;
    padding-bottom: 8px; margin-bottom: 12px;
    border-bottom: 1px solid var(--border);
}

.kb-field-row {
    display: grid; grid-template-columns: 160px 1fr;
    gap: 12px; align-items: flex-start;
    padding: 8px 10px;
    background: var(--bg-raised);
    border-radius: var(--radius);
    margin-bottom: 4px;
    font-size: 0.78rem;
}
.kb-field-label {
    font-family: var(--font); color: var(--text-dim);
    font-size: 0.7rem; font-weight: 500; padding-top: 2px;
    word-break: break-word;
}
.kb-field-value { color: var(--text); word-wrap: break-word; overflow-wrap: anywhere; }
.kb-field-value.code { font-family: var(--font); font-size: 0.75rem; }
.kb-field-value.link { color: var(--accent); text-decoration: none; }
.kb-field-value.link:hover { text-decoration: underline; }
.kb-field-value.muted { color: var(--text-dim); font-style: italic; }

.kb-field-value details summary {
    color: var(--text-muted); cursor: pointer;
    font-size: 0.72rem; list-style: none;
}
.kb-field-value details summary::-webkit-details-marker { display: none; }
.kb-field-value details summary::before { content: "▸ "; color: var(--text-dim); }
.kb-field-value details[open] summary::before { content: "▾ "; }
.kb-field-value details pre {
    margin-top: 4px; padding: 8px;
    background: var(--bg); border-radius: 4px;
    font-family: var(--font); font-size: 0.72rem;
    color: var(--text-muted); overflow-x: auto;
    white-space: pre-wrap; word-break: break-word; max-height: 240px;
}
.kb-field-value .array-item {
    display: inline-block; margin: 2px 3px 0 0;
    padding: 2px 7px; background: var(--bg); border-radius: 8px;
    font-family: var(--font); font-size: 0.72rem;
    color: var(--text-muted);
}

.kb-record-subsection { margin-bottom: 16px; }
.kb-record-subsection:last-child { margin-bottom: 0; }
.kb-record-subsection h5 {
    display: flex; align-items: center; gap: 8px;
    font-size: 0.82rem; font-weight: 700; margin-bottom: 10px;
}

.kb-linked-row {
    padding: 10px 12px;
    background: var(--bg-raised);
    border-left: 3px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 6px;
}
.kb-linked-row--misconception { border-left-color: var(--amber); }
.kb-linked-row--vir           { border-left-color: var(--green); }
.kb-linked-row--ff            { border-left-color: var(--red); }
.kb-linked-row--stage         { border-left-color: var(--accent); }
.kb-linked-row--component     { border-left-color: var(--kb-components); }
.kb-linked-row-head {
    display: flex; gap: 6px; align-items: center; flex-wrap: wrap;
    margin-bottom: 4px;
    font-size: 0.82rem; font-weight: 600;
}
.kb-linked-row-body {
    font-size: 0.75rem; color: var(--text-muted); line-height: 1.5;
}
.kb-linked-row-body em {
    display: block; margin-top: 4px; font-style: normal;
    color: var(--text-dim); font-size: 0.72rem;
}

/* ── lo_components Timeline ────────────────────────────────────────── */
.kb-timeline-page {
    display: grid; grid-template-columns: 340px 1fr;
    gap: 20px; margin-top: 16px;
}
@media (max-width: 1100px) { .kb-timeline-page { grid-template-columns: 1fr; } }

.kb-comp-list {
    background: var(--bg-surface); border: 1px solid var(--border);
    border-radius: var(--radius-lg); padding: 14px;
    align-self: flex-start; position: sticky; top: 16px;
}
.kb-comp-list h4 { font-size: 0.82rem; font-weight: 700; margin-bottom: 6px; }
.kb-lo-anchor {
    display: inline-block; font-family: var(--font); font-size: 0.74rem;
    font-weight: 600; padding: 4px 10px; margin-bottom: 12px;
    background: rgba(45,212,191,0.12); color: var(--kb-components);
    border-radius: 6px;
}
.kb-comp-card {
    display: block; padding: 10px 12px;
    background: var(--bg-raised);
    border-left: 3px solid transparent;
    border-radius: var(--radius); margin-bottom: 6px;
    text-decoration: none; color: var(--text);
    transition: all 0.15s;
}
.kb-comp-card:hover { background: var(--bg-hover); color: var(--text); }
.kb-comp-card.active {
    border-left-color: var(--kb-components);
    background: rgba(45,212,191,0.07);
}
.kb-comp-card-head { display: flex; align-items: center; gap: 8px; margin-bottom: 4px; flex-wrap: wrap; }
.kb-comp-bv {
    font-size: 0.65rem; font-weight: 700;
    padding: 2px 8px; border-radius: 10px;
    background: rgba(45,212,191,0.15); color: var(--kb-components);
    text-transform: uppercase; letter-spacing: 0.3px;
}
.kb-comp-idx {
    font-family: var(--font); font-size: 0.65rem; font-weight: 700;
    padding: 2px 6px; background: var(--bg); color: var(--text-dim);
    border-radius: 4px;
}
.kb-comp-stmt { font-size: 0.78rem; color: var(--text-muted); line-height: 1.5; }
.kb-comp-card.active .kb-comp-stmt { color: var(--text); }
.kb-comp-meta {
    margin-top: 6px; font-size: 0.68rem;
    display: flex; gap: 6px; flex-wrap: wrap;
}

.kb-timeline {
    background: var(--bg-surface); border: 1px solid var(--border);
    border-radius: var(--radius-lg); padding: 16px 20px;
    min-width: 0;
}
.kb-timeline-header { padding-bottom: 12px; margin-bottom: 18px; border-bottom: 1px solid var(--border); }
.kb-timeline-header h3 { font-size: 1rem; font-weight: 700; margin-bottom: 4px; }
.kb-timeline-subhead { font-size: 0.8rem; color: var(--text-muted); }

.kb-event { position: relative; padding-left: 34px; padding-bottom: 14px; }
.kb-event::before {
    content: ""; position: absolute;
    left: 9px; top: 24px; bottom: -4px;
    width: 2px; background: var(--border);
}
.kb-event:last-child::before { display: none; }
.kb-event-dot {
    position: absolute; left: 0; top: 6px;
    width: 20px; height: 20px;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    z-index: 1;
}
.kb-event-dot::after { content: ""; width: 10px; height: 10px; border-radius: 50%; }
.kb-event--chapter .kb-event-dot        { background: rgba(108,140,255,0.2); }
.kb-event--chapter .kb-event-dot::after { background: var(--accent); }
.kb-event--module  .kb-event-dot        { background: rgba(52,211,153,0.2); }
.kb-event--module  .kb-event-dot::after { background: var(--green); }
.kb-event--applet  .kb-event-dot        { background: rgba(45,212,191,0.2); }
.kb-event--applet  .kb-event-dot::after { background: var(--kb-components); }

.kb-event-card {
    padding: 12px 14px; background: var(--bg-raised);
    border-left: 3px solid; border-radius: var(--radius);
}
.kb-event--chapter .kb-event-card { border-left-color: var(--accent); }
.kb-event--module  .kb-event-card { border-left-color: var(--green); }
.kb-event--applet  .kb-event-card { border-left-color: var(--kb-components); }
.kb-event-head {
    display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
    margin-bottom: 10px;
}
.kb-layer-chip {
    font-size: 0.7rem; font-weight: 700;
    padding: 3px 10px; border-radius: 12px;
    text-transform: uppercase; letter-spacing: 0.5px;
}
.kb-event--chapter .kb-layer-chip { background: rgba(108,140,255,0.2); color: var(--accent); }
.kb-event--module  .kb-layer-chip { background: rgba(52,211,153,0.2); color: var(--green); }
.kb-event--applet  .kb-layer-chip { background: rgba(45,212,191,0.2); color: var(--kb-components); }
.kb-event-prov {
    font-family: var(--font); font-size: 0.72rem; color: var(--text-muted);
}
.kb-event-section-label {
    font-size: 0.64rem; font-weight: 700;
    text-transform: uppercase; letter-spacing: 0.7px;
    color: var(--text-dim); margin: 10px 0 6px;
    padding-bottom: 4px; border-bottom: 1px solid var(--border);
}
.kb-event-vt { font-size: 0.82rem; color: var(--text); line-height: 1.55; padding: 2px 0 4px; }
.kb-event-rb {
    padding: 10px 12px; background: var(--bg);
    border-left: 3px solid var(--accent);
    border-radius: var(--radius); margin-bottom: 6px;
}
.kb-event-rb-head {
    display: flex; justify-content: space-between; align-items: flex-start;
    gap: 8px; margin-bottom: 4px;
}
.kb-event-rb-title { font-size: 0.82rem; font-weight: 700; color: var(--accent); }
.kb-event-rb-url {
    font-family: var(--font); font-size: 0.7rem;
    color: var(--text-dim); display: block; margin-bottom: 6px;
    word-break: break-all;
}
.kb-event-rb-pv { font-size: 0.76rem; color: var(--text-muted); line-height: 1.55; }
.kb-event-ev { font-size: 0.76rem; color: var(--text-muted); line-height: 1.55; padding: 3px 0; }
.kb-event-ev > .src {
    font-family: var(--font); font-size: 0.7rem; font-weight: 700;
    color: var(--text); margin-right: 6px;
}

/* ── Pagination (KB-scoped) ────────────────────────────────────────── */
.kb-pagination {
    display: flex; justify-content: center; align-items: center;
    gap: 6px; margin: 24px 0 8px;
}
.kb-pag-btn {
    display: inline-flex; align-items: center; justify-content: center;
    min-width: 34px; height: 32px; padding: 0 10px;
    background: var(--bg-raised); color: var(--text-muted);
    border: 1px solid var(--border); border-radius: var(--radius);
    font-size: 0.82rem; font-family: var(--font);
    text-decoration: none; transition: all 0.15s;
}
.kb-pag-btn:hover { background: var(--bg-hover); color: var(--text); }
.kb-pag-btn.active {
    background: rgba(108,140,255,0.15); color: var(--accent);
    border-color: var(--accent); font-weight: 700;
}
.kb-pag-ellipsis { color: var(--text-dim); padding: 0 4px; }
.kb-pag-note { margin-left: 12px; font-size: 0.78rem; color: var(--text-dim); }

/* ── Search results grouped by category ────────────────────────────── */
.kb-search-group { margin-bottom: 22px; }
.kb-search-group-head {
    display: flex; align-items: center; gap: 10px;
    padding: 10px 0 6px; border-bottom: 1px solid var(--border); margin-bottom: 12px;
}
.kb-search-group-head h3 { font-size: 0.9rem; font-weight: 700; }
.kb-search-group--learning   .kb-search-group-head h3 { color: var(--kb-learning); }
.kb-search-group--pedagogy   .kb-search-group-head h3 { color: var(--kb-pedagogy); }
.kb-search-group--visual     .kb-search-group-head h3 { color: var(--kb-visual); }
.kb-search-group--curriculum .kb-search-group-head h3 { color: var(--kb-curriculum); }

/* ── Curriculum list (for cluster_mappings cards) ──────────────────── */
.kb-cluster-currs {
    display: flex; flex-wrap: wrap; gap: 5px; margin-top: 6px;
}
.kb-curr-pill {
    display: inline-flex; align-items: center; gap: 4px;
    font-size: 0.7rem; font-weight: 600;
    padding: 3px 9px; border-radius: 11px;
    background: rgba(167,139,250,0.12); color: var(--kb-curriculum);
}
.kb-curr-pill .curr-name {
    font-size: 0.62rem; opacity: 0.7; text-transform: uppercase; letter-spacing: 0.4px;
}

/* ── Curriculum Context (Foundation page) ───────────────────────────────── */
.cc-curriculum { border-bottom: 1px solid var(--border); }
.cc-curriculum:last-child { border-bottom: none; }

.cc-curriculum-header {
    padding: 12px 16px 8px;
    display: flex; align-items: center; gap: 8px;
}
.cc-curriculum-name {
    font-size: 0.7rem; font-weight: 700; letter-spacing: 0.6px;
    text-transform: uppercase; color: var(--kb-curriculum);
    background: rgba(167,139,250,0.1);
    border: 1px solid rgba(167,139,250,0.2);
    padding: 3px 10px; border-radius: 11px;
}

.cc-grade { padding: 0 16px 14px 16px; }
.cc-grade-header {
    font-size: 0.68rem; font-weight: 700; color: var(--text-dim);
    text-transform: uppercase; letter-spacing: 0.5px;
    margin: 6px 0 8px; padding-bottom: 4px;
    border-bottom: 1px solid var(--border);
}

.cc-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 10px;
}

.cc-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 10px 12px;
    display: flex; flex-direction: column; gap: 8px;
}
.cc-card-head {
    display: flex; align-items: center; gap: 8px;
}
.cc-card-title {
    font-size: 0.85rem; font-weight: 500; flex: 1;
    overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}

.cc-inds {
    display: flex; flex-wrap: wrap; gap: 6px;
}
.cc-ind {
    display: inline-flex; align-items: center; gap: 5px;
    font-size: 0.72rem; font-weight: 500;
    padding: 4px 9px; border-radius: 12px;
    border: 1px solid var(--border);
    background: var(--bg);
    color: var(--text);
    cursor: default;
    font-family: inherit;
}
.cc-ind-on {
    color: var(--green, #4ade80);
    border-color: rgba(74,222,128,0.28);
    background: rgba(74,222,128,0.07);
    cursor: pointer;
    transition: background 0.12s, border-color 0.12s;
}
.cc-ind-on:hover {
    background: rgba(74,222,128,0.14);
    border-color: rgba(74,222,128,0.45);
}
.cc-ind-off {
    color: var(--text-dim);
    opacity: 0.55;
}
.cc-tick { font-weight: 700; font-size: 0.78rem; line-height: 1; }

/* Primary modal */
.cc-modal-bg {
    display: none; position: fixed; inset: 0;
    background: rgba(6,9,18,0.5); backdrop-filter: blur(2px);
    z-index: 200;
    align-items: center; justify-content: center;
    padding: 40px 24px;
}
.cc-modal-bg.open { display: flex; }
.cc-modal {
    background: linear-gradient(180deg, #0a0f1c 0%, #070b15 100%);
    border: 1px solid var(--border);
    border-radius: 12px;
    max-width: 780px; width: 100%; max-height: 82vh;
    display: flex; flex-direction: column;
    box-shadow:
        inset 0 0 0 1px rgba(255,255,255,0.04),
        0 0 60px 8px rgba(80,120,200,0.10),
        0 20px 42px rgba(0,0,0,0.55);
    overflow: hidden;
    animation: cc-modal-in 0.14s ease;
}
@keyframes cc-modal-in {
    from { transform: translateY(8px); opacity: 0; }
    to   { transform: translateY(0); opacity: 1; }
}
.cc-modal-head {
    padding: 14px 20px; border-bottom: 1px solid var(--border);
    display: flex; align-items: center; gap: 10px; flex-shrink: 0;
}
.cc-modal-head h2 {
    font-size: 1rem; font-weight: 600; color: var(--text); flex: 1; margin: 0;
}
.cc-modal-close {
    background: transparent; border: none;
    color: var(--text-dim); font-size: 1.4rem; cursor: pointer;
    padding: 0 6px; line-height: 1;
}
.cc-modal-close:hover { color: var(--text); }
.cc-modal-body {
    padding: 16px 20px; overflow-y: auto; flex: 1;
    font-size: 0.85rem; line-height: 1.5;
}

/* Modal content styles */
.cc-meta-grid {
    display: grid; grid-template-columns: auto 1fr; gap: 4px 14px;
    margin-bottom: 14px;
    font-size: 0.82rem;
}
.cc-meta-grid .k {
    color: var(--text-dim); font-weight: 600;
    font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.4px;
    padding-top: 2px;
}
.cc-meta-grid .v { color: var(--text); }

.cc-sec-title {
    margin: 14px 0 6px;
    font-size: 0.72rem; font-weight: 700;
    text-transform: uppercase; letter-spacing: 0.5px;
    color: var(--text-dim);
    padding-bottom: 4px;
    border-bottom: 1px solid var(--border);
}
.cc-list {
    margin: 6px 0 2px 20px; padding: 0;
    font-size: 0.82rem; line-height: 1.55;
    color: var(--text);
}
.cc-list li { margin-bottom: 4px; }

.cc-file-list {
    list-style: none; margin: 6px 0; padding: 0;
}
.cc-file-list li {
    padding: 6px 10px; margin-bottom: 4px;
    background: var(--bg); border: 1px solid var(--border);
    border-radius: 5px;
    font-size: 0.8rem;
}
.cc-file-list li code {
    font-size: 0.78rem; color: var(--text);
    background: transparent; padding: 0;
}

/* Hidden modal source containers */
.cc-modal-source[hidden] { display: none; }

/* File-content previews inside modal */
.cc-file-block {
    margin-bottom: 16px;
}
.cc-file-block:last-child { margin-bottom: 0; }

.cc-file-name {
    font-size: 0.7rem; font-weight: 700;
    text-transform: uppercase; letter-spacing: 0.5px;
    color: var(--text-dim);
    padding-bottom: 5px; margin-bottom: 6px;
    border-bottom: 1px solid var(--border);
}
.cc-file-name code {
    font-size: 0.78rem; color: var(--text);
    background: transparent; padding: 0; text-transform: none; letter-spacing: 0;
}

.cc-file-pre {
    margin: 0; padding: 10px 12px;
    background: var(--bg); border: 1px solid var(--border);
    border-radius: 5px;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-size: 0.76rem; line-height: 1.5;
    color: var(--text);
    white-space: pre-wrap; word-break: break-word;
    max-height: 55vh; overflow: auto;
}

.cc-xlsx-sheet-title {
    font-size: 0.72rem; font-weight: 600;
    color: var(--kb-curriculum);
    margin: 10px 0 4px;
}
.cc-xlsx-wrap {
    max-height: 55vh; overflow: auto;
    border: 1px solid var(--border); border-radius: 5px;
    margin-bottom: 8px;
}
.cc-xlsx-table {
    border-collapse: collapse;
    font-size: 0.74rem;
    min-width: 100%;
}
.cc-xlsx-table th, .cc-xlsx-table td {
    border: 1px solid var(--border);
    padding: 4px 8px;
    text-align: left;
    vertical-align: top;
    white-space: nowrap;
    color: var(--text);
}
.cc-xlsx-table th {
    background: var(--surface);
    font-weight: 600;
    color: var(--text);
    position: sticky; top: 0;
    z-index: 1;
}
.cc-xlsx-table tbody tr:nth-child(even) td {
    background: rgba(255,255,255,0.015);
}