:root {
  --bg: #0b0f17;
  --bg-raised: #121826;
  --bg-hover: #1a2233;
  --border: #232c40;
  --text: #e6eaf2;
  --text-dim: #8b94a7;
  --accent: #4f8cff;
  --accent-soft: rgba(79, 140, 255, 0.14);
  --green: #34d399;
  --red: #f87171;
  --amber: #fbbf24;
  --blue: #60a5fa;
  --radius: 10px;
  --mono: "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font: 14px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Inter, sans-serif;
  -webkit-font-smoothing: antialiased;
}

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

/* ---------- top bar ---------- */
.topbar {
  display: flex; align-items: center; gap: 20px;
  padding: 0 24px; height: 58px;
  background: var(--bg-raised); border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 50;
}
.brand { font-weight: 700; font-size: 15px; letter-spacing: 0.2px; white-space: nowrap; }
.brand span { color: var(--accent); }
.nav { display: flex; gap: 4px; }
.nav a {
  color: var(--text-dim); padding: 7px 14px; border-radius: 8px;
  font-weight: 500; cursor: pointer;
}
.nav a:hover { color: var(--text); text-decoration: none; background: var(--bg-hover); }
.nav a.active { color: var(--text); background: var(--accent-soft); }
.topbar-right { margin-left: auto; display: flex; align-items: center; gap: 12px; }
.mode-badge {
  font-size: 12px; padding: 4px 10px; border-radius: 20px;
  background: rgba(251, 191, 36, 0.12); color: var(--amber);
  border: 1px solid rgba(251, 191, 36, 0.35); white-space: nowrap;
}
.mode-badge.live { background: rgba(52, 211, 153, 0.12); color: var(--green);
  border-color: rgba(52, 211, 153, 0.35); }
.logout-btn {
  background: none; border: 1px solid var(--border); color: var(--text-dim);
  padding: 6px 12px; border-radius: 8px; cursor: pointer; font-size: 13px;
}
.logout-btn:hover { color: var(--text); background: var(--bg-hover); }

/* ---------- date bar ---------- */
.datebar {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  padding: 14px 24px; border-bottom: 1px solid var(--border);
  background: var(--bg);
}
.datebar .preset {
  background: var(--bg-raised); border: 1px solid var(--border); color: var(--text-dim);
  padding: 6px 13px; border-radius: 8px; cursor: pointer; font-size: 13px;
}
.datebar .preset:hover { color: var(--text); background: var(--bg-hover); }
.datebar .preset.active {
  color: #fff; background: var(--accent); border-color: var(--accent); font-weight: 600;
}
.datebar input[type="date"] {
  background: var(--bg-raised); border: 1px solid var(--border); color: var(--text);
  padding: 5px 9px; border-radius: 8px; font-size: 13px; color-scheme: dark;
}
.range-label { color: var(--text-dim); font-size: 13px; margin-left: auto; }

/* ---------- layout ---------- */
.page { padding: 22px 24px 60px; max-width: 1720px; margin: 0 auto; }
.page-title { font-size: 20px; font-weight: 700; margin: 0 0 4px; }
.page-sub { color: var(--text-dim); margin: 0 0 18px; font-size: 13px; }

/* ---------- KPI cards ---------- */
.kpi-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(165px, 1fr));
  gap: 12px; margin-bottom: 22px;
}
.kpi {
  background: var(--bg-raised); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 14px 16px;
}
.kpi .k-label { color: var(--text-dim); font-size: 12px; text-transform: uppercase;
  letter-spacing: 0.5px; }
.kpi .k-value { font-size: 21px; font-weight: 700; margin-top: 4px; font-variant-numeric: tabular-nums; }
.kpi .k-delta { font-size: 12px; margin-top: 3px; font-weight: 600; }

.delta-up-good { color: var(--green); }
.delta-up-bad { color: var(--red); }
.delta-down-good { color: var(--green); }
.delta-down-bad { color: var(--red); }
.delta-flat { color: var(--text-dim); }

/* ---------- tables ---------- */
.table-card {
  background: var(--bg-raised); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: auto; margin-bottom: 22px;
}
table.data { border-collapse: collapse; width: 100%; font-size: 13px; white-space: nowrap; }
table.data th, table.data td { padding: 10px 14px; text-align: right; font-variant-numeric: tabular-nums; }
table.data th {
  color: var(--text-dim); font-size: 11px; text-transform: uppercase; letter-spacing: 0.5px;
  border-bottom: 1px solid var(--border); cursor: pointer; user-select: none;
  position: sticky; top: 0; background: var(--bg-raised); z-index: 2;
}
table.data th:hover { color: var(--text); }
table.data th.sorted { color: var(--accent); }
table.data th:first-child, table.data td:first-child {
  text-align: left; position: sticky; left: 0; background: var(--bg-raised); z-index: 1;
  max-width: 260px; overflow: hidden; text-overflow: ellipsis;
}
table.data tbody tr { border-bottom: 1px solid rgba(35, 44, 64, 0.5); cursor: pointer; }
table.data tbody tr:hover td { background: var(--bg-hover); }
table.data tbody tr:last-child { border-bottom: none; }
.sort-arrow { font-size: 10px; margin-left: 3px; }

.status-pill {
  font-size: 11px; padding: 2px 9px; border-radius: 12px; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.4px;
}
.status-ACTIVE { background: rgba(52, 211, 153, 0.13); color: var(--green); }
.status-PAUSED { background: rgba(251, 191, 36, 0.13); color: var(--amber); }
.status-ARCHIVED, .status-INACTIVE { background: rgba(139, 148, 167, 0.15); color: var(--text-dim); }

/* ---------- charts ---------- */
.charts-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 12px; margin-bottom: 22px;
}
.chart-card {
  background: var(--bg-raised); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 14px 16px; height: 210px;
  display: flex; flex-direction: column;
}
.chart-card .c-title { color: var(--text-dim); font-size: 12px; text-transform: uppercase;
  letter-spacing: 0.5px; margin-bottom: 8px; }
.chart-card canvas { flex: 1; min-height: 0; }

/* ---------- tabs / breadcrumbs ---------- */
.tabs { display: flex; gap: 6px; margin-bottom: 14px; align-items: center; flex-wrap: wrap; }
.tab {
  background: var(--bg-raised); border: 1px solid var(--border); color: var(--text-dim);
  padding: 7px 15px; border-radius: 8px; cursor: pointer; font-size: 13px; font-weight: 500;
}
.tab.active { color: #fff; background: var(--accent); border-color: var(--accent); }
.crumb {
  font-size: 12px; color: var(--accent); background: var(--accent-soft);
  padding: 5px 11px; border-radius: 16px; cursor: pointer; border: none;
}
.crumb:hover { text-decoration: underline; }
.crumb-clear { background: none; border: none; color: var(--text-dim); cursor: pointer; font-size: 12px; }

/* ---------- attention centre ---------- */
.sev-summary { display: flex; gap: 10px; margin-bottom: 18px; flex-wrap: wrap; }
.sev-chip {
  padding: 8px 16px; border-radius: 8px; font-weight: 600; font-size: 13px;
  background: var(--bg-raised); border: 1px solid var(--border);
}
.sev-chip b { font-size: 17px; margin-right: 6px; }
.sev-critical b { color: var(--red); }
.sev-warning b { color: var(--amber); }
.sev-info b { color: var(--blue); }
.sev-positive b { color: var(--green); }

.alert-list { display: flex; flex-direction: column; gap: 10px; }
.alert-card {
  background: var(--bg-raised); border: 1px solid var(--border);
  border-left: 4px solid var(--text-dim); border-radius: 8px;
  padding: 13px 16px; cursor: pointer;
}
.alert-card:hover { background: var(--bg-hover); }
.alert-card.sev-critical { border-left-color: var(--red); }
.alert-card.sev-warning { border-left-color: var(--amber); }
.alert-card.sev-info { border-left-color: var(--blue); }
.alert-card.sev-positive { border-left-color: var(--green); }
.alert-head { display: flex; gap: 10px; align-items: center; margin-bottom: 3px; flex-wrap: wrap; }
.alert-account { font-weight: 700; }
.alert-type {
  font-size: 11px; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.5px;
  background: rgba(139, 148, 167, 0.12); padding: 2px 8px; border-radius: 10px;
}
.alert-level { font-size: 12px; color: var(--text-dim); }
.alert-msg { color: var(--text); font-size: 13.5px; }

/* ---------- misc ---------- */
.loading { color: var(--text-dim); padding: 40px; text-align: center; }
.error-box {
  background: rgba(248, 113, 113, 0.1); border: 1px solid rgba(248, 113, 113, 0.4);
  color: var(--red); padding: 12px 16px; border-radius: 8px; margin: 16px 0;
}
.back-link { color: var(--text-dim); cursor: pointer; font-size: 13px; }
.back-link:hover { color: var(--text); }
.empty-state { color: var(--text-dim); text-align: center; padding: 50px 0; }

@media (max-width: 760px) {
  .topbar { padding: 0 12px; gap: 10px; }
  .brand small { display: none; }
  .page { padding: 14px 12px 50px; }
  .datebar { padding: 10px 12px; }
  .charts-grid { grid-template-columns: 1fr; }
}

/* ---------- login ---------- */
.login-wrap {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  background: radial-gradient(ellipse at top, #131c2e 0%, var(--bg) 60%);
}
.login-card {
  background: var(--bg-raised); border: 1px solid var(--border);
  border-radius: 14px; padding: 36px; width: 360px;
}
.login-card h1 { font-size: 19px; margin: 0 0 4px; }
.login-card h1 span { color: var(--accent); }
.login-card p { color: var(--text-dim); font-size: 13px; margin: 0 0 22px; }
.login-card input {
  width: 100%; background: var(--bg); border: 1px solid var(--border); color: var(--text);
  padding: 11px 14px; border-radius: 8px; font-size: 14px; margin-bottom: 14px;
}
.login-card input:focus { outline: none; border-color: var(--accent); }
.login-card button {
  width: 100%; background: var(--accent); color: #fff; border: none;
  padding: 11px; border-radius: 8px; font-size: 14px; font-weight: 600; cursor: pointer;
}
.login-card button:hover { filter: brightness(1.1); }
.login-error { color: var(--red); font-size: 13px; margin-top: 10px; display: none; }