/* GPB Tools shared tokens and base styles */
:root {
  --paper: #EDF0F3;
  --field: #FFFFFF;
  --ink: #151A20;
  --muted: #61707F;
  --line: #D5DBE2;
  --accent: #2A4BD7;
  --accent-hover: #1F3BB3;
  --accent-ink: #FFFFFF;
  --danger: #B42318;
  --warn: #B45309;
  --tile: #FFFFFF;
  --tile-ink: #61707F;
  --shadow: 0 1px 2px rgba(21, 26, 32, .06), 0 8px 24px rgba(21, 26, 32, .08);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #0E1116;
    --field: #11151B;
    --ink: #E8ECF1;
    --muted: #95A1AE;
    --line: #2A323C;
    --accent: #7B93FF;
    --accent-hover: #93A7FF;
    --accent-ink: #0E1116;
    --danger: #F97066;
    --warn: #FBBF24;
    --shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 8px 24px rgba(0, 0, 0, .35);
  }
}
:root[data-theme="dark"] {
  --paper: #0E1116;
  --field: #11151B;
  --ink: #E8ECF1;
  --muted: #95A1AE;
  --line: #2A323C;
  --accent: #7B93FF;
  --accent-hover: #93A7FF;
  --accent-ink: #0E1116;
  --danger: #F97066;
  --warn: #FBBF24;
  --shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 8px 24px rgba(0, 0, 0, .35);
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 16px/1.5 "IBM Plex Sans", "Segoe UI", system-ui, sans-serif;
  padding-inline: 20px;
  padding-block: 32px 64px;
  -webkit-font-smoothing: antialiased;
}
.wrap { max-width: 1040px; margin: 0 auto; display: grid; gap: 24px; }
.head h1 { margin: 0 0 6px; font-size: 26px; font-weight: 600; letter-spacing: -0.01em; text-wrap: balance; }
.lede { margin: 0; color: var(--muted); max-width: 64ch; }
.crumb { font-size: 14px; color: var(--muted); }
.crumb a { color: var(--accent); text-decoration: none; }
.lbl { font-size: 12px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
.mono { font-family: "IBM Plex Mono", ui-monospace, Consolas, monospace; font-variant-numeric: tabular-nums; }
input, select, button { font: inherit; }
input[type="text"], input[type="url"], select {
  color: var(--ink); background: var(--field); border: 1px solid var(--line);
  border-radius: 6px; padding: 10px 12px; width: 100%;
}
.btn {
  font-weight: 500; padding: 10px 16px; border-radius: 6px;
  border: 1px solid var(--line); background: var(--field); color: var(--ink); cursor: pointer;
}
.btn:hover { border-color: var(--accent); }
.btn.primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.btn.primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
.btn.is-on { border-color: var(--accent); box-shadow: inset 0 0 0 1px var(--accent); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn.small { padding: 6px 10px; font-size: 14px; }
input:focus-visible, select:focus-visible, .btn:focus-visible, a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.card {
  background: var(--field); border: 1px solid var(--line); border-radius: 8px; padding: 16px;
}
.toast {
  position: fixed; left: 50%; bottom: 24px; transform: translate(-50%, 8px);
  padding: 10px 16px; border-radius: 6px; background: var(--ink); color: var(--paper);
  font-size: 14px; opacity: 0; pointer-events: none; transition: opacity .18s, transform .18s;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }
@media (prefers-reduced-motion: reduce) { .toast { transition: none; } }