/* Claim Guard — shared identity (console + hub). Light/dark via tokens. */
:root {
  --bg: #f4f3ec;
  --surface: #fcfbf5;
  --surface-2: #edece3;
  --surface-3: #e5e3d7;
  --ink: #1b231e;
  --ink-2: #49544c;
  --muted: #6f7a73;
  --line: #ddd9cb;
  --line-soft: #e8e5d9;
  --accent: #14634c;
  --accent-strong: #0f5540;
  --accent-tint: #e2ece5;
  --on-accent: #fcfbf5;
  --crit: #b23434;
  --crit-tint: #f5e4e1;
  --warn: #9a6b0f;
  --warn-tint: #f3ebd5;
  --good: #0c7a3c;
  --good-tint: #e0eee3;
  --silent: #6f7a73;
  --silent-tint: #eae8df;
  --chart-a: #0a7350;
  --chart-b: #b23434;
  --chart-grid: #e3e0d3;
  --code-bg: #efede3;
  --focus: #14634c;
  --shadow: 0 1px 2px rgba(27,35,30,.06), 0 8px 28px rgba(27,35,30,.05);
  --shadow-lg: 0 2px 6px rgba(27,35,30,.08), 0 24px 60px rgba(27,35,30,.14);
  --radius: 10px;
  --radius-sm: 6px;
  --serif: "IBM Plex Serif", Georgia, serif;
  --sans: "IBM Plex Sans", "IBM Plex Sans Arabic", system-ui, -apple-system, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --arabic: "IBM Plex Sans Arabic", "IBM Plex Sans", system-ui, sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #10140f; --surface: #171c16; --surface-2: #1e241d; --surface-3: #262d24;
    --ink: #e8e7da; --ink-2: #b4bcae; --muted: #8b9685; --line: #2c332a; --line-soft: #242a22;
    --accent: #4aae8c; --accent-strong: #63c3a2; --accent-tint: #1c2b23; --on-accent: #0d120e;
    --crit: #e06e63; --crit-tint: #36201d; --warn: #d8a94e; --warn-tint: #2f2716;
    --good: #58b878; --good-tint: #1b2b1f; --silent: #8b9685; --silent-tint: #242a22;
    --chart-a: #32a37c; --chart-b: #d4554b; --chart-grid: #283026;
    --code-bg: #1b2119; --focus: #63c3a2;
    --shadow: 0 1px 2px rgba(0,0,0,.4), 0 8px 28px rgba(0,0,0,.3);
    --shadow-lg: 0 2px 6px rgba(0,0,0,.5), 0 24px 60px rgba(0,0,0,.5);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #10140f; --surface: #171c16; --surface-2: #1e241d; --surface-3: #262d24;
  --ink: #e8e7da; --ink-2: #b4bcae; --muted: #8b9685; --line: #2c332a; --line-soft: #242a22;
  --accent: #4aae8c; --accent-strong: #63c3a2; --accent-tint: #1c2b23; --on-accent: #0d120e;
  --crit: #e06e63; --crit-tint: #36201d; --warn: #d8a94e; --warn-tint: #2f2716;
  --good: #58b878; --good-tint: #1b2b1f; --silent: #8b9685; --silent-tint: #242a22;
  --chart-a: #32a37c; --chart-b: #d4554b; --chart-grid: #283026;
  --code-bg: #1b2119; --focus: #63c3a2;
  --shadow: 0 1px 2px rgba(0,0,0,.4), 0 8px 28px rgba(0,0,0,.3);
  --shadow-lg: 0 2px 6px rgba(0,0,0,.5), 0 24px 60px rgba(0,0,0,.5);
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 15px/1.5 var(--sans); font-feature-settings: "tnum" 1;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:hover { color: var(--accent-strong); }
h1, h2, h3 { font-family: var(--serif); font-weight: 600; letter-spacing: -.01em; margin: 0; line-height: 1.2; }
code, kbd, .mono { font-family: var(--mono); font-size: .92em; }
code { background: var(--code-bg); padding: 1px 5px; border-radius: 4px; }
kbd { background: var(--surface); border: 1px solid var(--line); border-bottom-width: 2px; border-radius: 4px; padding: 0 5px; font-size: .85em; }
.num { font-variant-numeric: tabular-nums; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; border-radius: 4px; }
[dir="rtl"], .ar { font-family: var(--arabic); }

/* ------- top bar ------- */
.topbar {
  position: sticky; top: 0; z-index: 30;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(1.2) blur(8px); -webkit-backdrop-filter: saturate(1.2) blur(8px);
  border-bottom: 1px solid var(--line);
}
.topbar-in { max-width: 1440px; margin: 0 auto; padding: 10px 24px; display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); }
.brand-mark { width: 30px; height: 30px; flex: none; }
.brand-name { font-family: var(--serif); font-weight: 600; font-size: 19px; letter-spacing: -.01em; }
.brand-sub { color: var(--muted); font-size: 13px; font-weight: 500; margin-left: 2px; }
.sim-badge {
  font: 600 10.5px/1 var(--mono); letter-spacing: .12em; text-transform: uppercase;
  color: var(--warn); background: var(--warn-tint); border: 1px solid color-mix(in srgb, var(--warn) 35%, transparent);
  padding: 5px 7px 4px; border-radius: 4px;
}
.spacer { flex: 1; }

/* ------- buttons ------- */
.btn {
  display: inline-flex; align-items: center; gap: 7px; justify-content: center;
  font: 500 13.5px/1 var(--sans); color: var(--ink); background: var(--surface);
  border: 1px solid var(--line); border-radius: 7px; padding: 8px 12px; cursor: pointer; text-decoration: none;
  transition: background .12s, border-color .12s, color .12s;
  white-space: nowrap;
}
.btn:hover { background: var(--surface-2); color: var(--ink); }
.btn svg { width: 15px; height: 15px; flex: none; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }
.btn.primary:hover { background: var(--accent-strong); border-color: var(--accent-strong); color: var(--on-accent); }
.btn.danger { color: var(--crit); border-color: color-mix(in srgb, var(--crit) 40%, var(--line)); }
.btn.danger:hover { background: var(--crit-tint); }
.btn.danger.solid { background: var(--crit); color: #fff; border-color: var(--crit); }
.btn.ghost { background: transparent; border-color: transparent; color: var(--ink-2); }
.btn.ghost:hover { background: var(--surface-2); }
.btn.sm { padding: 5px 9px; font-size: 12.5px; }
.btn[disabled] { opacity: .5; cursor: not-allowed; }
.icon-btn { width: 34px; height: 34px; padding: 0; }

.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.eyebrow { font: 600 11px/1.2 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.muted { color: var(--muted); }
.small { font-size: 12.5px; }
.visually-hidden { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

@media (max-width: 640px) {
  .topbar-in { padding: 10px 16px; gap: 10px; }
  .brand-sub { display: none; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; animation: none !important; } }