:root {
  --bg: #0b0f17;
  --bg-elev: #131a26;
  --bg-elev-2: #1a2434;
  --border: #263143;
  --text: #e6edf6;
  --text-dim: #97a4b8;
  --muted: #6b7891;
  --accent: #4da3ff;
  --accent-2: #7c5cff;
  --ok: #35c98a;
  --warn: #f0b429;
  --danger: #f2545b;
  --grid: #1f2937;
  --series-1: #4da3ff;
  --series-2: #35c98a;
  --series-3: #f0b429;
  --series-4: #7c5cff;
  --series-5: #ff7ac6;
  --series-6: #f2545b;
  font-synthesis: none;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 14px;
  line-height: 1.45;
}

h1, h2 { font-weight: 600; }
h2 { font-size: 15px; color: var(--text-dim); margin: 22px 0 12px; text-transform: uppercase; letter-spacing: .04em; }

a { color: var(--accent); }
.muted { color: var(--muted); }
.error-text { color: var(--danger); }

/* ---------- Login ---------- */
.login-body {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: radial-gradient(1200px 600px at 50% -10%, #16223a 0%, var(--bg) 60%);
}
.login-card {
  width: 360px;
  max-width: 92vw;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 32px 28px;
  box-shadow: 0 20px 60px rgba(0,0,0,.5);
}
.login-brand { text-align: center; margin-bottom: 22px; }
.login-brand h1 { font-size: 20px; margin: 10px 0 2px; }
.login-brand p { color: var(--muted); margin: 0; font-size: 13px; }
.logo-dot {
  display: inline-block;
  width: 12px; height: 12px; border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 0 14px var(--accent);
}
form label { display: block; font-size: 12px; color: var(--text-dim); margin: 14px 0 6px; }
input, select {
  width: 100%;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 14px;
  outline: none;
}
input:focus, select:focus { border-color: var(--accent); }
button {
  cursor: pointer;
  font-family: inherit;
}
#login-btn {
  width: 100%;
  margin-top: 20px;
  padding: 11px;
  border: none;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  font-weight: 600;
  font-size: 14px;
}
#login-btn:disabled { opacity: .6; cursor: default; }
#login-error { margin-top: 14px; font-size: 13px; text-align: center; }

/* ---------- Topbar / tabs ---------- */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 20px;
  background: var(--bg-elev);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 10;
}
.topbar-left { display: flex; align-items: center; gap: 10px; }
.topbar-sub { color: var(--muted); font-size: 12px; }
.topbar-right { display: flex; align-items: center; gap: 14px; }
.range-picker { font-size: 12px; color: var(--text-dim); display: flex; align-items: center; gap: 6px; }
.range-picker select { width: auto; padding: 6px 8px; }
.user-label { color: var(--text-dim); font-size: 13px; }
.ghost-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-dim);
  border-radius: 7px;
  padding: 7px 12px;
  font-size: 13px;
}
.ghost-btn:hover { border-color: var(--accent); color: var(--text); }

.tabs { display: flex; gap: 4px; padding: 0 20px; background: var(--bg-elev); border-bottom: 1px solid var(--border); }
.tab {
  background: transparent; border: none; color: var(--text-dim);
  padding: 12px 16px; font-size: 14px; border-bottom: 2px solid transparent;
}
.tab:hover { color: var(--text); }
.tab.active { color: var(--text); border-bottom-color: var(--accent); }

.content { padding: 20px; max-width: 1400px; margin: 0 auto; }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ---------- Cards ---------- */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 14px; }
.card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
}
.card .label { color: var(--text-dim); font-size: 12px; text-transform: uppercase; letter-spacing: .03em; }
.card .value { font-size: 28px; font-weight: 600; margin-top: 6px; }
.card .sub { color: var(--muted); font-size: 12px; margin-top: 4px; }
.card .breakdown { margin-top: 10px; display: flex; flex-wrap: wrap; gap: 6px; }
.pill {
  font-size: 11px; padding: 2px 8px; border-radius: 999px;
  background: var(--bg-elev-2); color: var(--text-dim); border: 1px solid var(--border);
}

/* ---------- Charts ---------- */
.charts-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(420px, 1fr)); gap: 16px; margin-top: 20px; }
.chart-card { background: var(--bg-elev); border: 1px solid var(--border); border-radius: 12px; padding: 14px 14px 8px; }
.chart-card h3 { margin: 0 0 8px; font-size: 13px; font-weight: 600; color: var(--text-dim); display: flex; justify-content: space-between; }
.chart-card h3 .total { color: var(--text); font-weight: 600; }
.chart-svg { width: 100%; height: 180px; display: block; }
.chart-svg .grid-line { stroke: var(--grid); stroke-width: 1; }
.chart-svg .axis-label { fill: var(--muted); font-size: 10px; }
.chart-svg .area { opacity: .12; }
.chart-svg .line { fill: none; stroke-width: 2; }
.chart-empty { color: var(--muted); font-size: 12px; padding: 40px 0; text-align: center; }

/* ---------- Tables ---------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: 12px; background: var(--bg-elev); }
table { border-collapse: collapse; width: 100%; font-size: 13px; }
th, td { text-align: left; padding: 9px 12px; border-bottom: 1px solid var(--border); white-space: nowrap; }
th { color: var(--text-dim); font-weight: 600; background: var(--bg-elev-2); position: sticky; top: 0; }
td { color: var(--text); max-width: 420px; overflow: hidden; text-overflow: ellipsis; }
tr:hover td { background: rgba(255,255,255,.02); }
td.num { text-align: right; font-variant-numeric: tabular-nums; }

.tables-toolbar { display: flex; align-items: center; gap: 16px; margin-bottom: 14px; flex-wrap: wrap; }
.tables-toolbar label { font-size: 12px; color: var(--text-dim); display: flex; gap: 8px; align-items: center; }
.tables-toolbar select { width: auto; }
.tables-toolbar .filter-group { gap: 6px; }
.search-input { width: auto; min-width: 200px; padding: 7px 10px; }
#filter-val { min-width: 140px; }
.pager { display: flex; align-items: center; gap: 8px; margin-left: auto; }

/* sortable headers */
th.sortable { cursor: pointer; user-select: none; }
th.sortable:hover { color: var(--text); }
th.sorted { color: var(--accent); }
.sort-arrow { font-size: 10px; }

/* Stage 2 distribution */
.dist-block { display: flex; flex-wrap: wrap; gap: 24px; margin: 6px 0 4px; }
.dist-group { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.dist-title { font-size: 12px; color: var(--text-dim); text-transform: uppercase; letter-spacing: .03em; }
.pill.risk-critical { color: #ffd7d9; background: rgba(242,84,91,.18); border-color: var(--danger); }
.pill.risk-high { color: #ffe4c4; background: rgba(240,180,41,.16); border-color: var(--warn); }
.pill.risk-medium { color: #cfe3ff; background: rgba(77,163,255,.16); border-color: var(--accent); }
.pill.risk-low { color: #c9f5e4; background: rgba(53,201,138,.16); border-color: var(--ok); }

/* ---------- Errors ---------- */
.errors-list { display: flex; flex-direction: column; gap: 8px; }
.error-row {
  background: var(--bg-elev); border: 1px solid var(--border); border-left: 3px solid var(--danger);
  border-radius: 10px; padding: 10px 14px;
}
.error-row.warning { border-left-color: var(--warn); }
.error-row .err-head { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.error-row .comp { font-weight: 600; }
.error-row .ts { color: var(--muted); font-size: 12px; margin-left: auto; }
.error-row .msg { margin-top: 6px; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12px; color: var(--text); word-break: break-word; }
.error-row .detail { margin-top: 6px; font-size: 12px; color: var(--muted); font-family: ui-monospace, monospace; white-space: pre-wrap; }
.badge { font-size: 11px; padding: 2px 8px; border-radius: 6px; background: var(--bg-elev-2); border: 1px solid var(--border); color: var(--text-dim); }

/* ---------- Bars (models) ---------- */
.bar-cell { display: flex; align-items: center; gap: 8px; }
.bar-track { flex: 1; height: 8px; background: var(--bg-elev-2); border-radius: 4px; overflow: hidden; min-width: 60px; }
.bar-fill { height: 100%; background: linear-gradient(90deg, var(--accent), var(--accent-2)); }

/* ---------- Toast ---------- */
.toast {
  position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%);
  background: var(--bg-elev-2); border: 1px solid var(--border); color: var(--text);
  padding: 10px 16px; border-radius: 8px; font-size: 13px; box-shadow: 0 10px 30px rgba(0,0,0,.5); z-index: 50;
}
.loading { color: var(--muted); padding: 20px; }