@font-face {
  font-family: 'Permanent Marker';
  src: url('/fonts/PermanentMarker.ttf') format('truetype');
  font-weight: 400;
  font-display: swap;
}

:root {
  color-scheme: light;
  --page: #F2F2F7;
  --card: #FFFFFF;
  --card-raised: #FAFAFC;
  --border: #E5E5EA;
  --text: #000000;
  --text-secondary: #6B6B70;
  --text-tertiary: #AEAEB2;
  --gold: #C4881F;
  --gold-wash: rgba(196, 136, 31, 0.12);
  --positive: #2F7A4A;
  --negative: #A33A2D;
  --negative-safe: #A33A2D; /* always paired with icon + label — see dataviz sub-3:1 note */
  --rank-1: #2c2107; --rank-2: #58420e; --rank-3: #7f5f15;
  --rank-4: #a27a1a; --rank-5: #c1911f; --rank-6: #e0af3e;
  --div-cut: #2a78d6; --div-maintain: #898781; --div-bulk: #e34948;
  --grid: #e1e0d9;
  --shadow: 0 1px 2px rgba(0,0,0,0.04), 0 8px 24px rgba(0,0,0,0.05);
}

@media (prefers-color-scheme: dark) {
  :root:where(:not([data-theme="light"])) {
    color-scheme: dark;
    --page: #000000;
    --card: #1C1C1E;
    --card-raised: #232326;
    --border: #2C2C2E;
    --text: #FFFFFF;
    --text-secondary: #98989F;
    --text-tertiary: #5C5C5E;
    --gold: #C4881F;
    --gold-wash: rgba(196, 136, 31, 0.16);
    --positive: #3f9962;
    --negative: #c9503f;
    --rank-1: #634c1a; --rank-2: #866520; --rank-3: #a87f20;
    --rank-4: #cf9722; --rank-5: #e6ad2f; --rank-6: #f7c95d;
    --div-cut: #3987e5; --div-maintain: #6b6b68; --div-bulk: #e66767;
    --grid: #2c2c2a;
    --shadow: 0 1px 2px rgba(0,0,0,0.3), 0 8px 24px rgba(0,0,0,0.4);
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --page: #000000;
  --card: #1C1C1E;
  --card-raised: #232326;
  --border: #2C2C2E;
  --text: #FFFFFF;
  --text-secondary: #98989F;
  --text-tertiary: #5C5C5E;
  --gold: #C4881F;
  --gold-wash: rgba(196, 136, 31, 0.16);
  --positive: #3f9962;
  --negative: #c9503f;
  --rank-1: #634c1a; --rank-2: #866520; --rank-3: #a87f20;
  --rank-4: #cf9722; --rank-5: #e6ad2f; --rank-6: #f7c95d;
  --div-cut: #3987e5; --div-maintain: #6b6b68; --div-bulk: #e66767;
  --grid: #2c2c2a;
  --shadow: 0 1px 2px rgba(0,0,0,0.3), 0 8px 24px rgba(0,0,0,0.4);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--page);
  color: var(--text);
  font-family: -apple-system, 'Segoe UI', system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}
button, input { font-family: inherit; }

.hidden { display: none !important; }

/* ── Login ─────────────────────────────────────────────────────────────── */
.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.login-card {
  width: 100%;
  max-width: 360px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 36px 28px 28px;
  box-shadow: var(--shadow);
  text-align: center;
}
.login-card img.mark { width: 56px; height: 56px; border-radius: 14px; margin-bottom: 14px; }
.wordmark {
  font-family: 'Permanent Marker', cursive;
  color: var(--gold);
  font-size: 32px;
  letter-spacing: 0.02em;
  margin: 0 0 2px;
}
.login-card .tag {
  font-family: ui-monospace, 'SF Mono', Menlo, monospace;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin: 0 0 28px;
}
.field { text-align: left; margin-bottom: 14px; }
.field label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
}
.field input {
  width: 100%;
  padding: 11px 13px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--card-raised);
  color: var(--text);
  font-size: 15px;
  outline: none;
}
.field input:focus { border-color: var(--gold); }
.btn {
  width: 100%;
  padding: 12px;
  border-radius: 10px;
  border: none;
  background: var(--gold);
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  margin-top: 6px;
}
.btn:active { opacity: 0.85; }
.btn:disabled { opacity: 0.5; cursor: default; }
.error-msg {
  color: var(--negative);
  font-size: 13px;
  font-weight: 600;
  margin: 10px 0 0;
  min-height: 16px;
}

/* ── App shell ─────────────────────────────────────────────────────────── */
.topbar {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; gap: 12px;
  padding: 14px 24px;
  background: color-mix(in srgb, var(--page) 88%, transparent);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.topbar img.mark { width: 30px; height: 30px; border-radius: 8px; }
.topbar .wordmark { font-size: 20px; margin: 0; }
.topbar .tag {
  font-family: ui-monospace, 'SF Mono', Menlo, monospace;
  font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--text-tertiary);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 3px 9px;
}
.topbar .spacer { flex: 1; }
.icon-btn {
  width: 34px; height: 34px; border-radius: 9px;
  border: 1px solid var(--border); background: var(--card);
  color: var(--text-secondary); cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 15px;
}
.icon-btn:hover { color: var(--text); }

main { max-width: 1180px; margin: 0 auto; padding: 22px 24px 60px; }

.section-title {
  font-size: 13px; font-weight: 700; letter-spacing: 0.02em;
  text-transform: uppercase; color: var(--text-tertiary);
  margin: 34px 0 12px;
}
.section-title:first-child { margin-top: 0; }

.btn-pill {
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text-secondary);
  font-size: 12.5px;
  font-weight: 600;
  padding: 6px 13px;
  border-radius: 999px;
  cursor: pointer;
}
.btn-pill.active {
  background: var(--gold-wash);
  border-color: var(--gold);
  color: var(--gold);
}

/* ── KPI tiles ─────────────────────────────────────────────────────────── */
.tiles {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 10px;
}
.tile {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 14px 16px;
}
.tile .label { font-size: 12px; color: var(--text-secondary); margin: 0 0 6px; }
.tile .value { font-size: 26px; font-weight: 700; margin: 0; letter-spacing: -0.01em; }
.tile .sub { font-size: 11.5px; color: var(--text-tertiary); margin: 4px 0 0; }

/* ── Cards / charts ────────────────────────────────────────────────────── */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
@media (max-width: 760px) { .grid-2 { grid-template-columns: 1fr; } }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 18px 20px 14px;
  position: relative;
}
.card-head {
  display: flex; align-items: baseline; justify-content: space-between; gap: 8px;
  margin-bottom: 10px;
}
.card-head h3 { font-size: 14.5px; margin: 0; font-weight: 700; }
.card-head .hint { font-size: 11.5px; color: var(--text-tertiary); }
.table-toggle {
  border: none; background: none; color: var(--gold);
  font-size: 11.5px; font-weight: 700; cursor: pointer; padding: 4px 0;
}

.chart-wrap { position: relative; }
.chart-wrap svg { display: block; width: 100%; height: auto; overflow: visible; }
.chart-empty {
  display: flex; align-items: center; justify-content: center;
  height: 160px; color: var(--text-tertiary); font-size: 13px;
}

.tooltip {
  position: absolute;
  pointer-events: none;
  background: var(--card-raised);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 7px 10px;
  font-size: 12px;
  box-shadow: var(--shadow);
  white-space: nowrap;
  opacity: 0;
  transform: translate(-50%, -100%);
  transition: opacity 0.1s;
  z-index: 10;
}
.tooltip.show { opacity: 1; }
.tooltip .t-val { font-weight: 700; color: var(--text); }
.tooltip .t-label { color: var(--text-secondary); margin-top: 1px; }
.tooltip .t-key { display: inline-block; width: 8px; height: 2px; margin-right: 5px; vertical-align: middle; }

.data-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.data-table th {
  text-align: left; font-size: 11px; text-transform: uppercase; letter-spacing: 0.04em;
  color: var(--text-tertiary); font-weight: 600; padding: 6px 8px; border-bottom: 1px solid var(--border);
}
.data-table td {
  padding: 8px 8px; border-bottom: 1px solid var(--border);
  font-variant-numeric: tabular-nums;
}
.data-table tr:last-child td { border-bottom: none; }
.data-table td.name-cell { font-variant-numeric: normal; }

/* ── System health ─────────────────────────────────────────────────────── */
.status-row { display: flex; align-items: center; gap: 10px; padding: 9px 0; }
.status-row + .status-row { border-top: 1px solid var(--border); }
.status-dot { width: 9px; height: 9px; border-radius: 50%; flex: none; }
.status-dot.good { background: var(--positive); }
.status-dot.warn { background: #c98500; }
.status-dot.bad { background: var(--negative); }
.status-row .s-title { font-size: 13.5px; font-weight: 600; margin: 0; }
.status-row .s-sub { font-size: 12px; color: var(--text-secondary); margin: 1px 0 0; }

footer {
  text-align: center; padding: 30px 24px 50px;
  font-family: ui-monospace, 'SF Mono', Menlo, monospace;
  font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--text-tertiary);
}

.spin {
  width: 22px; height: 22px; border-radius: 50%;
  border: 2.5px solid var(--border); border-top-color: var(--gold);
  animation: spin 0.7s linear infinite; margin: 0 auto;
}
@keyframes spin { to { transform: rotate(360deg); } }