:root {
  --bg: #0b0d12;
  --bg-elev: #131722;
  --bg-elev-2: #1a2030;
  --border: #232a3b;
  --text: #e6ebf5;
  --text-dim: #8a93a6;
  --text-faint: #5a6378;
  --accent: #6c8eff;
  --accent-soft: #6c8eff22;
  --good: #3ddc97;
  --warn: #ffb454;
  --bad: #ff6b6b;
  --info: #6cd1ff;
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Inter", Roboto, sans-serif;
  font-size: 14px;
  line-height: 1.5;
}

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

.app {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.topbar {
  background: var(--bg-elev);
  border-bottom: 1px solid var(--border);
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.topbar .brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
  font-size: 16px;
}

.topbar .brand .logo {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  background: linear-gradient(135deg, var(--accent), #4860c4);
  display: grid;
  place-items: center;
  font-weight: 700;
  color: white;
  font-size: 14px;
}

.topbar nav {
  display: flex;
  gap: 4px;
  flex: 1;
  justify-content: center;
}

.topbar nav a {
  color: var(--text-dim);
  padding: 6px 14px;
  border-radius: 6px;
  font-size: 13px;
}

.topbar nav a.active,
.topbar nav a:hover {
  color: var(--text);
  background: var(--bg-elev-2);
  text-decoration: none;
}

.topbar .meta {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--text-dim);
  font-size: 12px;
}

.mode-pill {
  padding: 3px 10px;
  border-radius: 99px;
  font-size: 11px;
  font-weight: 500;
  border: 1px solid var(--border);
}
.mode-pill.live  { color: var(--good); border-color: var(--good); }
.mode-pill.mock  { color: var(--warn); border-color: var(--warn); }

.content {
  padding: 24px;
  max-width: 1400px;
  margin: 0 auto;
  width: 100%;
}

.page-title {
  font-size: 24px;
  font-weight: 600;
  margin: 0 0 4px 0;
}
.page-sub {
  color: var(--text-dim);
  margin-bottom: 24px;
}

.tabs {
  display: inline-flex;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  padding: 4px;
  border-radius: 8px;
  gap: 4px;
  margin-bottom: 20px;
}
.tabs button {
  background: transparent;
  border: 0;
  color: var(--text-dim);
  padding: 6px 14px;
  border-radius: 6px;
  font-size: 13px;
  cursor: pointer;
}
.tabs button.active {
  background: var(--bg-elev-2);
  color: var(--text);
}

.kpi-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
  margin-bottom: 24px;
}

.kpi {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
  box-shadow: var(--shadow);
}
.kpi .label {
  color: var(--text-dim);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.kpi .value {
  font-size: 26px;
  font-weight: 600;
  margin-top: 6px;
}
.kpi .delta {
  font-size: 12px;
  color: var(--text-faint);
  margin-top: 4px;
}
.kpi.good .value { color: var(--good); }
.kpi.warn .value { color: var(--warn); }
.kpi.bad  .value { color: var(--bad); }

.card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 18px;
  margin-bottom: 18px;
}
.card h2 {
  margin: 0 0 14px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
}
.card .hint {
  color: var(--text-dim);
  font-size: 12px;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
@media (max-width: 900px) {
  .grid-2 { grid-template-columns: 1fr; }
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
th, td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
}
th {
  color: var(--text-dim);
  font-weight: 500;
  text-transform: uppercase;
  font-size: 11px;
  letter-spacing: 0.05em;
}
tr:last-child td { border-bottom: 0; }
tr:hover td { background: rgba(255, 255, 255, 0.02); }

td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }

.bar-cell {
  width: 140px;
}
.bar {
  height: 8px;
  background: var(--bg-elev-2);
  border-radius: 6px;
  overflow: hidden;
  position: relative;
}
.bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--good), #3ddc97aa);
  border-radius: 6px;
  transition: width 0.3s ease;
}
.bar-fill.warn { background: linear-gradient(90deg, var(--warn), #ffb45499); }
.bar-fill.bad  { background: linear-gradient(90deg, var(--bad),  #ff6b6b99); }

.tag {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 99px;
  font-size: 11px;
  font-weight: 500;
  background: var(--bg-elev-2);
  color: var(--text-dim);
  border: 1px solid var(--border);
}
.tag.done { color: var(--good); border-color: var(--good); }
.tag.in_progress { color: var(--info); border-color: var(--info); }
.tag.blocked { color: var(--bad); border-color: var(--bad); }
.tag.todo { color: var(--text-dim); }

.chip-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}
.chip {
  padding: 6px 12px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 99px;
  font-size: 12px;
  color: var(--text-dim);
  cursor: pointer;
  user-select: none;
}
.chip:hover { color: var(--text); }
.chip.active {
  background: var(--accent-soft);
  color: var(--accent);
  border-color: var(--accent);
}

.chart-box {
  position: relative;
  height: 280px;
}

.empty {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-dim);
  font-size: 13px;
}

.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
  color: var(--text-dim);
}
.spinner {
  width: 20px; height: 20px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-right: 10px;
}
@keyframes spin { to { transform: rotate(360deg); } }

.muted { color: var(--text-faint); }
.right { text-align: right; }