@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500;600;700&family=Space+Grotesk:wght@400;500;600;700&display=swap');

:root {
    --bg: #08080c;
    --surface: #0e0e14;
    --elevated: #131319;
    --border: #1c1c26;
    --bright-border: #2a2a38;
    --text: #e4e2df;
    --dim: #8a8880;
    --muted: #4e4e46;
    --green: #22c55e;
    --red: #ef4444;
    --purple: #a78bfa;
    --amber: #eab308;
    --font-data: 'IBM Plex Mono', monospace;
    --font-heading: 'Space Grotesk', sans-serif;
}

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

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

.page-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 72px 24px 48px;
}

h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 600;
    color: var(--text);
}

h1 { font-size: 1.5rem; margin-bottom: 1rem; }
h2 { font-size: 1.15rem; margin-bottom: 0.75rem; color: var(--purple); }
h3 { font-size: 0.95rem; margin-bottom: 0.5rem; }

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

/* --- Status Header Stats --- */
.stats-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 1px;
    background: var(--border);
    border: 1px solid var(--border);
    margin-bottom: 32px;
}

.stat-block {
    background: var(--surface);
    padding: 20px 24px;
    text-align: center;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    font-family: var(--font-heading);
    line-height: 1;
    margin-bottom: 4px;
}

.stat-label {
    font-size: 0.7rem;
    color: var(--dim);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

/* --- Section --- */
.section {
    margin-bottom: 40px;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--dim);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border);
}

/* --- Strategy Cards --- */
.card-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1px;
    background: var(--border);
    border: 1px solid var(--border);
}

.strategy-card {
    background: var(--surface);
    padding: 20px 24px;
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 16px;
    align-items: center;
    transition: background 0.15s;
}

.strategy-card:hover {
    background: var(--elevated);
}

.strategy-card.promoted {
    border-left: 3px solid var(--green);
}

.strategy-card.killed {
    opacity: 0.5;
}

.card-grade {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    border: 1px solid var(--border);
}

.card-grade.grade-A { color: var(--green); border-color: var(--green); }
.card-grade.grade-B { color: var(--amber); border-color: var(--amber); }
.card-grade.grade-C { color: var(--dim); border-color: var(--border); }
.card-grade.grade-F { color: var(--red); border-color: var(--red); }

.card-info { min-width: 0; }

.card-name {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 2px;
}

.card-name a { color: var(--text); }
.card-name a:hover { color: var(--purple); }

.card-meta {
    font-size: 0.7rem;
    color: var(--dim);
}

.card-meta span { margin-right: 12px; }

.card-stats {
    display: flex;
    gap: 24px;
    font-size: 0.8rem;
    white-space: nowrap;
}

.card-stats .stat-pair {
    text-align: right;
}

.card-stats .stat-pair .val {
    font-weight: 600;
    display: block;
}

.card-stats .stat-pair .lbl {
    font-size: 0.65rem;
    color: var(--dim);
    text-transform: uppercase;
}

.card-verdict {
    font-size: 0.75rem;
    color: var(--dim);
    margin-top: 4px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* --- Empty State --- */
.empty-state {
    text-align: center;
    padding: 48px 24px;
    color: var(--muted);
    font-size: 0.85rem;
    border: 1px dashed var(--border);
}

/* --- Charts --- */
.charts-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1px;
    background: var(--border);
    border: 1px solid var(--border);
}

.chart-panel {
    background: var(--surface);
    padding: 24px;
}

.chart-panel h3 {
    font-family: var(--font-heading);
    font-size: 0.75rem;
    color: var(--dim);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 16px;
}

.chart-panel canvas {
    max-height: 240px;
}

/* --- Table --- */
.table-wrap {
    overflow-x: auto;
    border: 1px solid var(--border);
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.8rem;
}

thead th {
    background: var(--surface);
    color: var(--dim);
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 48px;
    cursor: pointer;
    user-select: none;
    white-space: nowrap;
}

thead th:hover {
    color: var(--text);
}

thead th.sorted-asc::after { content: ' \25B2'; font-size: 0.6rem; }
thead th.sorted-desc::after { content: ' \25BC'; font-size: 0.6rem; }

tbody td {
    padding: 10px 16px;
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}

tbody tr:nth-child(even) { background: var(--surface); }
tbody tr:nth-child(odd) { background: #0c0c12; }
tbody tr:hover { background: var(--elevated); }

tbody tr.promoted { border-left: 3px solid var(--green); }
tbody tr.killed { opacity: 0.5; }

/* Grade badges */
.badge {
    display: inline-block;
    padding: 2px 8px;
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 700;
    border: 1px solid;
}

.badge-A { color: var(--green); border-color: var(--green); }
.badge-B { color: var(--amber); border-color: var(--amber); }
.badge-C { color: var(--dim); border-color: var(--bright-border); }
.badge-F { color: var(--red); border-color: var(--red); }

.status-tag {
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 2px 6px;
    border: 1px solid;
}

.status-promoted { color: var(--green); border-color: var(--green); }
.status-observe { color: var(--dim); border-color: var(--bright-border); }
.status-killed { color: var(--red); border-color: var(--red); }

/* --- Filter Bar --- */
.filter-bar {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
    flex-wrap: wrap;
    align-items: center;
}

.filter-bar select {
    background: var(--surface);
    color: var(--text);
    border: 1px solid var(--border);
    padding: 6px 12px;
    font-family: var(--font-data);
    font-size: 0.75rem;
    appearance: auto;
}

.filter-bar select:focus {
    outline: 1px solid var(--purple);
    border-color: var(--purple);
}

/* --- Heatmap --- */
.heatmap-grid {
    border: 1px solid var(--border);
    overflow-x: auto;
}

.heatmap-grid table {
    min-width: 400px;
}

.heatmap-grid th {
    position: static;
}

.heatmap-cell {
    text-align: center;
    font-weight: 600;
    font-size: 0.8rem;
}

/* --- Report Page --- */
.report-header {
    margin-bottom: 32px;
}

.report-header h1 {
    font-size: 1.75rem;
    margin-bottom: 8px;
}

.report-tags {
    display: flex;
    gap: 8px;
    align-items: center;
    flex-wrap: wrap;
    margin-bottom: 12px;
}

.tag {
    font-size: 0.7rem;
    padding: 3px 8px;
    border: 1px solid var(--border);
    color: var(--dim);
}

.report-thesis {
    font-size: 0.85rem;
    color: var(--dim);
    line-height: 1.7;
    max-width: 720px;
    margin-bottom: 24px;
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 1px;
    background: var(--border);
    border: 1px solid var(--border);
    margin-bottom: 32px;
}

.metric-card {
    background: var(--surface);
    padding: 16px 20px;
    text-align: center;
}

.metric-value {
    font-size: 1.5rem;
    font-weight: 700;
    font-family: var(--font-heading);
    line-height: 1;
    margin-bottom: 4px;
}

.metric-label {
    font-size: 0.65rem;
    color: var(--dim);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.val-green { color: var(--green); }
.val-red { color: var(--red); }
.val-amber { color: var(--amber); }
.val-dim { color: var(--dim); }

.back-link {
    display: inline-block;
    margin-bottom: 24px;
    font-size: 0.8rem;
    color: var(--dim);
}

.back-link:hover { color: var(--purple); }

/* --- Simple mode --- */
body.simple-mode .detail-only { display: none !important; }

/* --- Responsive --- */
@media (max-width: 768px) {
    .page-container { padding: 60px 12px 32px; }
    .stats-row { grid-template-columns: repeat(2, 1fr); }
    .charts-grid { grid-template-columns: 1fr; }
    .strategy-card { grid-template-columns: auto 1fr; }
    .card-stats { display: none; }
    .metrics-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
    .stats-row { grid-template-columns: 1fr; }
}