/* ---------- Design tokens (validated default palette) ---------- */
:root {
  color-scheme: light;
  --surface-1:      #fcfcfb;
  --page:           #f9f9f7;
  --surface-card:   #ffffff;
  --text-primary:   #0b0b0b;
  --text-secondary: #52514e;
  --text-muted:     #898781;
  --gridline:       #e1e0d9;
  --baseline:       #c3c2b7;
  --border:         rgba(11, 11, 11, 0.10);
  --success-text:   #006300;

  --series-1: #2a78d6; /* blue */
  --series-2: #eb6834; /* orange */
  --series-3: #1baf7a; /* aqua */
  --series-4: #eda100; /* yellow */
  --series-5: #e87ba4; /* magenta */
  --series-6: #008300; /* green */
  --series-7: #4a3aa7; /* violet */
  --series-8: #e34948; /* red */

  --seq-100: #cde2fb; --seq-200: #9ec5f4; --seq-300: #6da7ec;
  --seq-400: #3987e5; --seq-500: #256abf; --seq-600: #184f95; --seq-700: #0d366b;

  --status-good:     #0ca30c;
  --status-warning:  #fab219;
  --status-serious:  #ec835a;
  --status-critical: #d03b3b;

  --radius: 10px;
  --shadow: 0 1px 2px rgba(11, 11, 11, 0.06), 0 1px 8px rgba(11, 11, 11, 0.05);
}

@media (prefers-color-scheme: dark) {
  :root:where(:not([data-theme="light"])) {
    color-scheme: dark;
    --surface-1: #1a1a19; --page: #0d0d0d; --surface-card: #232322;
    --text-primary: #ffffff; --text-secondary: #c3c2b7; --text-muted: #898781;
    --gridline: #2c2c2a; --baseline: #383835; --border: rgba(255, 255, 255, 0.10);
    --success-text: #0ca30c;
    --series-1: #3987e5; --series-2: #d95926; --series-3: #199e70; --series-4: #c98500;
    --series-5: #d55181; --series-6: #008300; --series-7: #9085e9; --series-8: #e66767;
    --seq-400: #3987e5; --seq-500: #2a78d6; --seq-600: #1c5cab; --seq-700: #184f95;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --surface-1: #1a1a19; --page: #0d0d0d; --surface-card: #232322;
  --text-primary: #ffffff; --text-secondary: #c3c2b7; --text-muted: #898781;
  --gridline: #2c2c2a; --baseline: #383835; --border: rgba(255, 255, 255, 0.10);
  --success-text: #0ca30c;
  --series-1: #3987e5; --series-2: #d95926; --series-3: #199e70; --series-4: #c98500;
  --series-5: #d55181; --series-6: #008300; --series-7: #9085e9; --series-8: #e66767;
  --seq-400: #3987e5; --seq-500: #2a78d6; --seq-600: #1c5cab; --seq-700: #184f95;
}

/* ---------- Base ---------- */
* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  background: var(--page);
  color: var(--text-primary);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3 { font-weight: 600; margin: 0; }
button { font: inherit; }
.hidden { display: none !important; }

/* ---------- App shell ---------- */
.app-header {
  display: flex; align-items: center; gap: 16px;
  padding: 14px 20px; border-bottom: 1px solid var(--border);
  background: var(--surface-1);
  position: sticky; top: 0; z-index: 20;
}
.app-header h1 { font-size: 17px; flex: 0 0 auto; }
.app-header .spacer { flex: 1 1 auto; }
.icon-btn {
  border: 1px solid var(--border); background: var(--surface-card); color: var(--text-secondary);
  border-radius: 8px; width: 34px; height: 34px; display: inline-flex; align-items: center; justify-content: center;
  cursor: pointer;
}
.icon-btn:hover { color: var(--text-primary); }
.last-updated { font-size: 12px; color: var(--text-muted); white-space: nowrap; }

.tab-nav {
  display: flex; gap: 4px; padding: 8px 20px 0; background: var(--surface-1);
  border-bottom: 1px solid var(--border); overflow-x: auto;
}
.tab-nav button {
  border: none; background: none; color: var(--text-secondary);
  padding: 10px 14px; border-radius: 8px 8px 0 0; cursor: pointer; font-size: 14px; font-weight: 500;
  border-bottom: 2px solid transparent; white-space: nowrap;
}
.tab-nav button:hover { background: var(--page); color: var(--text-primary); }
.tab-nav button[aria-selected="true"] { color: var(--series-1); border-bottom-color: var(--series-1); }

main { max-width: 1180px; margin: 0 auto; padding: 20px; }
.view { display: flex; flex-direction: column; gap: 20px; }

/* ---------- Filter row ---------- */
.filter-row { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.filter-row .pill {
  border: 1px solid var(--border); background: var(--surface-card); color: var(--text-secondary);
  border-radius: 999px; padding: 6px 14px; font-size: 13px; cursor: pointer;
}
.filter-row .pill[aria-pressed="true"] { background: var(--series-1); border-color: var(--series-1); color: #fff; }
.filter-row .account-badge {
  margin-left: auto; font-size: 12px; color: var(--text-muted);
}

/* ---------- KPI row / stat tile ---------- */
.kpi-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; }
.stat-tile {
  background: var(--surface-card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 14px 16px; box-shadow: var(--shadow);
}
.stat-tile .label { font-size: 12px; color: var(--text-secondary); margin-bottom: 6px; }
.stat-tile .value { font-size: 24px; font-weight: 600; letter-spacing: -0.01em; }
.stat-tile .sub { font-size: 12px; color: var(--text-muted); margin-top: 4px; }
.stat-tile.status-good .value { color: var(--status-good); }
.stat-tile.status-warning .value { color: #9a6a00; }
.stat-tile.status-critical .value { color: var(--status-critical); }

/* ---------- Card ---------- */
.card {
  background: var(--surface-card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 16px 18px; box-shadow: var(--shadow);
}
.card-head { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 12px; gap: 12px; }
.card-head h2 { font-size: 14px; color: var(--text-primary); }
.card-head .card-sub { font-size: 12px; color: var(--text-muted); }
.card-toggle {
  border: 1px solid var(--border); background: none; color: var(--text-secondary);
  border-radius: 6px; padding: 4px 10px; font-size: 12px; cursor: pointer;
}
.card-toggle[aria-pressed="true"] { background: var(--page); color: var(--text-primary); }

/* ---------- Bar chart (hand-rolled SVG) ---------- */
.barchart-legend { display: flex; flex-wrap: wrap; gap: 12px 18px; margin-bottom: 10px; font-size: 12px; color: var(--text-secondary); }
.barchart-legend .swatch { display: inline-block; width: 10px; height: 10px; border-radius: 2px; margin-right: 6px; vertical-align: -1px; }
.barchart-row { display: grid; grid-template-columns: 132px 1fr 74px; align-items: center; gap: 10px; padding: 5px 0; }
.barchart-row .bc-label {
  font-size: 12.5px; color: var(--text-secondary); overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.barchart-row .bc-track { position: relative; height: 20px; background: var(--gridline); border-radius: 4px; }
.barchart-row .bc-fill {
  position: absolute; top: 0; left: 0; height: 100%;
  border-radius: 0 4px 4px 0; /* rounded data-end (right), square at the baseline (left) */
  transition: filter 0.1s ease;
}
.barchart-row .bc-fill:hover, .barchart-row.hover .bc-fill { filter: brightness(1.08); }
.barchart-row .bc-value { font-size: 12.5px; color: var(--text-primary); text-align: right; font-variant-numeric: tabular-nums; }
.bc-tooltip {
  position: fixed; pointer-events: none; z-index: 50;
  background: var(--text-primary); color: var(--page); font-size: 12px;
  padding: 6px 9px; border-radius: 6px; box-shadow: var(--shadow); opacity: 0; transition: opacity 0.08s;
  max-width: 240px;
}
.bc-tooltip.visible { opacity: 1; }
.bc-tooltip .tt-value { font-weight: 600; }

/* ---------- Table ---------- */
.table-wrap { overflow-x: auto; }
table.data-table { width: 100%; border-collapse: collapse; font-size: 13px; }
table.data-table th, table.data-table td {
  text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--gridline);
  white-space: nowrap;
}
table.data-table td.num, table.data-table th.num { text-align: right; font-variant-numeric: tabular-nums; }
table.data-table th {
  color: var(--text-muted); font-weight: 500; font-size: 11.5px; text-transform: uppercase; letter-spacing: 0.03em;
  cursor: pointer; user-select: none; position: sticky; top: 0; background: var(--surface-card);
}
table.data-table th:hover { color: var(--text-primary); }
table.data-table th .sort-arrow { opacity: 0.5; margin-left: 3px; }
table.data-table tbody tr:hover { background: var(--page); }
table.data-table td.desc-cell { white-space: normal; max-width: 320px; }

.badge {
  display: inline-flex; align-items: center; gap: 5px; font-size: 11.5px; font-weight: 600;
  padding: 2px 8px; border-radius: 999px;
}
.badge::before { content: ""; width: 6px; height: 6px; border-radius: 50%; }
.badge.good { color: var(--status-good); background: color-mix(in srgb, var(--status-good) 14%, transparent); }
.badge.good::before { background: var(--status-good); }
.badge.warning { color: #9a6a00; background: color-mix(in srgb, var(--status-warning) 22%, transparent); }
.badge.warning::before { background: var(--status-warning); }
.badge.critical { color: var(--status-critical); background: color-mix(in srgb, var(--status-critical) 16%, transparent); }
.badge.critical::before { background: var(--status-critical); }

/* ---------- Grid layout helpers ---------- */
.grid-2 { display: grid; grid-template-columns: 1.1fr 1fr; gap: 16px; }
@media (max-width: 860px) { .grid-2 { grid-template-columns: 1fr; } }

/* ---------- Settings modal ---------- */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(11, 11, 11, 0.45);
  display: flex; align-items: center; justify-content: center; z-index: 100; padding: 16px;
}
.modal {
  background: var(--surface-card); border-radius: var(--radius); padding: 22px; width: 100%; max-width: 420px;
  box-shadow: 0 8px 30px rgba(0,0,0,0.25);
}
.modal h2 { font-size: 16px; margin-bottom: 4px; }
.modal p { color: var(--text-secondary); font-size: 13px; margin: 6px 0 16px; }
.field { margin-bottom: 14px; }
.field label { display: block; font-size: 12.5px; color: var(--text-secondary); margin-bottom: 5px; }
.field input {
  width: 100%; padding: 9px 10px; border: 1px solid var(--border); border-radius: 8px;
  background: var(--surface-1); color: var(--text-primary); font-size: 13px;
}
.field input:focus { outline: 2px solid var(--series-1); outline-offset: 1px; }
.modal-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 18px; }
.btn {
  border: 1px solid var(--border); background: var(--surface-card); color: var(--text-primary);
  border-radius: 8px; padding: 8px 16px; font-size: 13px; cursor: pointer;
}
.btn.primary { background: var(--series-1); border-color: var(--series-1); color: #fff; }
.btn.text { border: none; background: none; color: var(--text-secondary); }
.modal .error-text { color: var(--status-critical); font-size: 12.5px; margin-top: 8px; }

.empty-state { text-align: center; padding: 40px 20px; color: var(--text-muted); }
.loading-state { text-align: center; padding: 40px 20px; color: var(--text-muted); }