/* ==========================================================================
   TWC&D KPI Dashboard · TWC-KPI-CSS-001 Rev A
   Temporary works performance dashboard — brand-matched to the main site.
   ========================================================================== */
:root {
  --ink-950: #070f1c;
  --ink-900: #0a1626;
  --navy: #0b2c4d;
  --blue: #0e7fd1;
  --amber: #f7a600;
  --orange: #ff8a3c;

  --page: #f4f7fb;
  --card: #ffffff;
  --line: #e2e8f1;
  --ink: #16202c;
  --ink-soft: #47535f;
  --muted: #7a8794;
  --grid: #e6eaf0;
  --axis: #c3cedb;

  /* Chart series (validated vs #ffffff, light mode) */
  --series-1: #0e7fd1;   /* blue  — primary series            */
  --series-2: #1baf7a;   /* aqua  — secondary series          */
  --series-3: #eda100;   /* amber — tertiary series           */
  --series-4: #4a3aa7;   /* violet                            */
  --de-emphasis: #aab6c2;

  /* Status (reserved — never used as series) */
  --status-good: #0ca30c;
  --status-warning: #fab219;
  --status-serious: #ec835a;
  --status-critical: #d03b3b;

  --grad-amber: linear-gradient(120deg, #f7a600 0%, #ff8a3c 100%);
  --grad-blue: linear-gradient(120deg, #0e7fd1 0%, #22b8cf 130%);
  --radius: 14px;
  --shadow-sm: 0 1px 2px rgba(10,22,38,.05), 0 2px 8px rgba(10,22,38,.06);
  --shadow-md: 0 4px 14px rgba(10,22,38,.08), 0 12px 32px rgba(10,22,38,.10);
  --font: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; font-family: var(--font); background: var(--page); color: var(--ink);
  font-size: 15px; line-height: 1.5; -webkit-font-smoothing: antialiased;
}
a { color: #0a66aa; text-decoration: none; }
a:hover { text-decoration: underline; }
:focus-visible { outline: 3px solid var(--amber); outline-offset: 2px; border-radius: 4px; }

.wrap { max-width: 1280px; margin-inline: auto; padding-inline: 20px; }

/* ---- Header (matches main site) ---- */
.dash-header {
  position: sticky; top: 0; z-index: 40;
  background: rgba(7,15,28,.92);
  -webkit-backdrop-filter: saturate(150%) blur(12px); backdrop-filter: saturate(150%) blur(12px);
  border-bottom: 1px solid rgba(255,255,255,.08); color: #fff;
}
.dash-header .wrap { display: flex; align-items: center; gap: 14px; min-height: 66px; }
.brand { display: flex; align-items: center; gap: 11px; color: #fff; flex-shrink: 0; }
.brand img { width: 38px; height: 38px; border-radius: 9px; }
.brand-text { font-weight: 800; line-height: 1.05; letter-spacing: -.01em; }
.brand-text b { display: block; font-size: .95rem; white-space: nowrap; }
.brand-text span { font-size: .58rem; color: #8fa6bd; text-transform: uppercase; letter-spacing: 1.5px; font-weight: 700; white-space: nowrap; }
.app-badge {
  font-size: .68rem; font-weight: 800; letter-spacing: 1.4px; text-transform: uppercase;
  color: #201607; background: var(--grad-amber); border-radius: 999px; padding: 5px 12px; white-space: nowrap;
}
.header-spacer { flex: 1; }
.header-link { color: #cfdcea; font-weight: 600; font-size: .85rem; white-space: nowrap; }
.header-link:hover { color: #fff; }

/* ---- Page head ---- */
.page-head { padding: 26px 0 4px; display: flex; flex-wrap: wrap; align-items: end; gap: 10px 18px; }
.page-head h1 { font-size: 1.45rem; font-weight: 800; letter-spacing: -.02em; margin: 0; }
.page-head p { margin: 0; color: var(--ink-soft); font-size: .92rem; }
.demo-note {
  margin-left: auto; font-size: .78rem; color: var(--ink-soft);
  background: #fdf3dd; border: 1px solid #f3ddad; border-radius: 999px; padding: 5px 13px; white-space: nowrap;
}

/* ---- Filter row ---- */
.filters {
  display: flex; flex-wrap: wrap; align-items: end; gap: 12px;
  padding: 16px 0 20px;
}
.filter { display: flex; flex-direction: column; gap: 4px; }
.filter label { font-size: .72rem; font-weight: 700; letter-spacing: .6px; text-transform: uppercase; color: var(--muted); }
.filter select, .filter input[type="search"] {
  font: inherit; font-size: .9rem; color: var(--ink);
  background: var(--card); border: 1px solid var(--axis); border-radius: 10px;
  padding: 9px 12px; min-width: 160px;
}
.filter select:focus, .filter input:focus { border-color: var(--blue); outline: none; box-shadow: 0 0 0 4px rgba(14,127,209,.14); }
.filter-actions { display: flex; gap: 8px; margin-left: auto; }
.btn {
  display: inline-flex; align-items: center; gap: 7px; cursor: pointer;
  font: inherit; font-weight: 700; font-size: .85rem;
  border-radius: 999px; padding: 10px 18px; border: 2px solid transparent;
  transition: transform .15s, box-shadow .15s, background .15s;
}
.btn:hover { transform: translateY(-1px); text-decoration: none; }
.btn-primary { background: var(--grad-blue); color: #fff; box-shadow: 0 6px 20px rgba(14,127,209,.3); }
.btn-outline { background: var(--card); color: var(--navy); border-color: var(--axis); }
.btn-outline:hover { border-color: var(--navy); }

/* ---- KPI tiles ---- */
.tiles { display: grid; grid-template-columns: repeat(6, 1fr); gap: 14px; margin-bottom: 20px; }
.tile {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 16px 18px 12px; box-shadow: var(--shadow-sm); min-width: 0;
}
.tile .t-label { font-size: .76rem; font-weight: 600; color: var(--ink-soft); margin-bottom: 6px; }
.tile .t-value { font-size: 1.9rem; font-weight: 800; letter-spacing: -.02em; line-height: 1.05; }
.tile .t-delta { font-size: .74rem; font-weight: 600; margin-top: 3px; display: inline-flex; align-items: center; gap: 4px; }
.t-delta.up-good, .t-delta.down-good { color: #006300; }
.t-delta.up-bad, .t-delta.down-bad { color: var(--status-critical); }
.t-delta.flat { color: var(--muted); }
.tile svg.spark { display: block; margin-top: 8px; width: 100%; height: 30px; }

/* ---- Cards & charts grid ---- */
.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 20px; }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 20px 22px; box-shadow: var(--shadow-sm); min-width: 0;
}
.card h2 { font-size: 1rem; font-weight: 800; letter-spacing: -.01em; margin: 0 0 2px; }
.card .sub { font-size: .8rem; color: var(--ink-soft); margin: 0 0 14px; }
.card-head { display: flex; align-items: start; gap: 10px; }
.card-head > div { flex: 1; min-width: 0; }
.table-toggle {
  font: inherit; font-size: .74rem; font-weight: 700; color: #0a66aa; cursor: pointer;
  background: none; border: 1px solid var(--axis); border-radius: 999px; padding: 5px 12px; white-space: nowrap;
}
.table-toggle[aria-expanded="true"] { background: rgba(14,127,209,.1); border-color: var(--blue); }

.legend { display: flex; flex-wrap: wrap; gap: 6px 16px; margin: 0 0 10px; padding: 0; list-style: none; font-size: .78rem; color: var(--ink-soft); }
.legend li { display: inline-flex; align-items: center; gap: 7px; }
.key-line { width: 16px; height: 0; border-top: 3px solid; border-radius: 2px; }
.key-rect { width: 12px; height: 12px; border-radius: 3px; }
.legend .st-ico { font-weight: 800; }

.chart-svg { display: block; width: 100%; height: auto; }
.chart-svg text { font-family: var(--font); }
.axis-txt { font-size: 11px; fill: var(--muted); }
.val-txt { font-size: 11px; font-weight: 600; fill: var(--ink-soft); }
.end-lbl { font-size: 11px; font-weight: 700; fill: var(--ink-soft); }

/* Tooltip */
.tip {
  position: fixed; z-index: 60; pointer-events: none; display: none;
  background: #0c1c31; color: #eaf3fb; border-radius: 10px; padding: 9px 12px;
  font-size: .78rem; box-shadow: var(--shadow-md); max-width: 260px;
}
.tip .tip-title { color: #8fa6bd; font-weight: 600; margin-bottom: 4px; }
.tip .tip-row { display: flex; align-items: center; gap: 8px; margin-top: 2px; }
.tip .tip-key { width: 12px; height: 0; border-top: 3px solid; border-radius: 2px; flex: none; }
.tip .tip-val { font-weight: 800; margin-left: auto; padding-left: 12px; }

/* Data tables under charts */
.data-table { width: 100%; border-collapse: collapse; font-size: .8rem; margin-top: 12px; }
.data-table caption { text-align: left; font-size: .74rem; color: var(--muted); padding-bottom: 6px; }
.data-table th, .data-table td { text-align: left; padding: 6px 10px; border-bottom: 1px solid var(--line); }
.data-table th { font-size: .7rem; text-transform: uppercase; letter-spacing: .6px; color: var(--muted); }
.data-table td.num, .data-table th.num { text-align: right; font-variant-numeric: tabular-nums; }
[hidden] { display: none !important; }

/* ---- Register table ---- */
.register-card { margin-bottom: 26px; }
.register-tools { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-bottom: 12px; }
.register-tools input[type="search"] { flex: 1; min-width: 200px; font: inherit; font-size: .88rem; padding: 9px 13px; border: 1px solid var(--axis); border-radius: 10px; }
.register-count { font-size: .78rem; color: var(--muted); white-space: nowrap; }
.register-wrap { overflow-x: auto; }
table.register { width: 100%; border-collapse: collapse; font-size: .84rem; min-width: 900px; }
table.register th, table.register td { text-align: left; padding: 9px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
table.register th {
  font-size: .7rem; text-transform: uppercase; letter-spacing: .7px; color: var(--muted);
  position: sticky; top: 0; background: var(--card); cursor: pointer; user-select: none; white-space: nowrap;
}
table.register th .dir { color: var(--blue); }
table.register td.num { text-align: right; font-variant-numeric: tabular-nums; }
table.register tbody tr:hover { background: #f6f9fd; }

.chip {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: .72rem; font-weight: 700; border-radius: 999px; padding: 3px 10px; white-space: nowrap;
}
.chip .ico { font-weight: 800; }
.chip-good { color: #075c07; background: rgba(12,163,12,.12); }
.chip-warning { color: #7a5200; background: rgba(250,178,25,.16); }
.chip-serious { color: #8f3c1c; background: rgba(236,131,90,.16); }
.chip-critical { color: #8f1f1f; background: rgba(208,59,59,.12); }
.chip-neutral { color: var(--ink-soft); background: #eef2f7; }

.risk-cat { font-weight: 700; font-variant-numeric: tabular-nums; }

/* ---- Footer ---- */
.dash-footer { background: var(--ink-950); color: #8fa6bd; font-size: .8rem; }
.dash-footer .wrap { padding-block: 22px; display: flex; flex-wrap: wrap; gap: 8px 24px; justify-content: space-between; }
.dash-footer a { color: #c9daea; }

/* ---- Responsive ---- */
@media (max-width: 1080px) { .tiles { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 860px) { .grid { grid-template-columns: 1fr; } }
@media (max-width: 640px) {
  .tiles { grid-template-columns: repeat(2, 1fr); }
  .filter select, .filter input[type="search"] { min-width: 130px; }
  .filter-actions { margin-left: 0; }
  .demo-note { margin-left: 0; }
}

@media print {
  .dash-header, .filters, .filter-actions, .table-toggle, .dash-footer { display: none !important; }
  body { background: #fff; }
  .card, .tile { box-shadow: none; break-inside: avoid; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }