:root {
    --bg: #0d1117;
    --bg-card: #161b22;
    --bg-elev: #1f2630;
    --fg: #c9d1d9;
    --fg-muted: #8b949e;
    --border: #30363d;
    --accent: #58a6ff;
    --green0: #161b22;
    --green1: #0e4429;
    --green2: #006d32;
    --green3: #26a641;
    --green4: #39d353;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    background: var(--bg);
    color: var(--fg);
    font: 14px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
          Oxygen, Ubuntu, "Helvetica Neue", sans-serif;
}

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

.muted { color: var(--fg-muted); }

/* topbar */
.topbar {
    display: flex; align-items: center; justify-content: space-between;
    padding: 12px 24px;
    border-bottom: 1px solid var(--border);
    background: var(--bg-card);
}
.topbar .brand { display: flex; gap: 10px; align-items: center; font-weight: 600; }
.topbar .logo { font-size: 20px; }
.topbar .meta { font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace; }

/* layout */
.container {
    max-width: 1100px;
    margin: 24px auto;
    padding: 0 24px;
    display: grid;
    gap: 24px;
}

/* picker */
.picker label {
    display: block;
    font-weight: 600;
    margin-bottom: 6px;
}
.search-row { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.search-row input,
.search-row select {
    background: var(--bg-elev);
    border: 1px solid var(--border);
    color: var(--fg);
    padding: 8px 10px;
    border-radius: 6px;
    font: inherit;
}
.search-row input { flex: 1 1 240px; min-width: 180px; }
.search-row select { flex: 1 1 240px; min-width: 240px; }
.search-row select option { background: var(--bg-card); }

/* profile */
.profile {
    display: flex; gap: 16px; align-items: center;
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 16px;
    border-radius: 8px;
}
.profile img { width: 56px; height: 56px; border-radius: 50%; }
.profile h2 { margin: 0; font-size: 18px; }

/* cards */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; }
.cards article {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 16px;
}
.cards h3 { margin: 0 0 8px 0; font-size: 13px; color: var(--fg-muted); text-transform: uppercase; letter-spacing: .04em; }
.cards .big { font-size: 36px; font-weight: 700; line-height: 1.1; margin-bottom: 8px; }
.metric-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 4px; font-size: 13px; }
.metric-list span { color: var(--fg); font-variant-numeric: tabular-nums; }

/* heatmap */
.heatmap-block, .log-block {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 16px;
}
.heatmap-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.heatmap-header h3 { margin: 0; font-size: 14px; font-weight: 600; }
.heatmap { overflow-x: auto; }
.heatmap svg { display: block; }
.heatmap rect { stroke: rgba(255,255,255,0.04); }

.legend { display: flex; align-items: center; gap: 6px; margin-top: 8px; font-size: 12px; }
.legend .cell { width: 12px; height: 12px; border-radius: 2px; display: inline-block; }
.legend .c0 { background: var(--green0); border: 1px solid var(--border); }
.legend .c1 { background: var(--green1); }
.legend .c2 { background: var(--green2); }
.legend .c3 { background: var(--green3); }
.legend .c4 { background: var(--green4); }

/* log */
.log { width: 100%; border-collapse: collapse; font-size: 13px; }
.log th, .log td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); vertical-align: top; }
.log th { color: var(--fg-muted); font-weight: 600; }
.log td.kind { white-space: nowrap; }
.log td.when { white-space: nowrap; font-variant-numeric: tabular-nums; color: var(--fg-muted); }
.kind-pill {
    display: inline-block; padding: 2px 8px; border-radius: 999px;
    font-size: 11px; font-weight: 600; text-transform: lowercase;
    background: var(--bg-elev); border: 1px solid var(--border);
}
.kind-pill.push { background: rgba(57, 211, 83, 0.15); border-color: rgba(57,211,83,0.4); color: var(--green4); }
.kind-pill.merge_request { background: rgba(88, 166, 255, 0.15); border-color: rgba(88,166,255,0.4); color: var(--accent); }
.kind-pill.issue { background: rgba(248, 81, 73, 0.15); border-color: rgba(248,81,73,0.4); color: #ff7b72; }
.kind-pill.comment { background: rgba(210, 153, 34, 0.18); border-color: rgba(210,153,34,0.4); color: #f0c674; }

.bottom { padding: 24px; text-align: center; font-size: 12px; }
.status { font-style: italic; }

@media (max-width: 600px) {
    .container { padding: 0 12px; }
    .topbar { padding: 10px 12px; }
}