/* Shared look: system fonts, hairline rules, small corners. Variable names are used by the pages' own styles. */
:root {
  color-scheme: light;
  --bg: #ffffff; --panel: #ffffff; --ink: #111; --muted: #555; --line: #ddd; --hair: #eee;
  --brand: #111; --brand-soft: #eef8ff; --accent: #5ec2f7; --accent-ink: #06263d; --ok: #12803c; --warn: #9a6700; --bad: #c4320a; --blue: #0a6fb3;
  --sky: #5ec2f7; --sky-hover: #48b6f0; --sky-ink: #06263d; --sky-wash: #eef8ff;
  --code-bg: #eef8ff; --code-ink: #111;
  --radius: 8px; --shadow: none;
  --sans: -apple-system, BlinkMacSystemFont, "Helvetica Neue", Helvetica, Arial, sans-serif;
  --display: var(--sans);
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 15px/1.55 var(--sans); }
h1, h2, h3 { font-family: var(--sans); font-weight: 700; letter-spacing: -.02em; line-height: 1.15; margin: 0 0 .5em; }
h3 { font-size: 17px; letter-spacing: -.01em; margin: 0 0 .7em; }
a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }
code, pre, .mono { font-family: var(--mono); font-size: .9em; }
:not(pre) > code { background: var(--brand-soft); padding: .1em .35em; border-radius: 3px; }
pre { background: var(--code-bg); color: var(--code-ink); padding: 16px 18px; overflow-x: auto; line-height: 1.6; margin: 0 0 1em; border-radius: 6px; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }

.nav { display: flex; align-items: center; gap: 20px; height: 64px; border-bottom: 1px solid var(--line); margin-bottom: 8px; }
.logo { display: flex; align-items: center; gap: 8px; color: var(--ink); }
.logo:hover { text-decoration: none; }
.logo img, .logo svg { width: 26px; height: 26px; display: block; }
.logo span:not(.pill) { font: 700 18px/1 var(--sans); letter-spacing: -.02em; }
.logo b { font-weight: 700; }
.nav .links { margin-left: auto; display: flex; gap: 22px; align-items: center; font-size: 15px; }
.nav .links a { color: var(--muted); } .nav .links a:hover { color: var(--ink); text-decoration: none; }
.nav .links .btn.primary, .nav .links .btn.primary:hover { color: var(--sky-ink); }

/* Liquid glass buttons: clear glass by default, sky glass for primary actions. */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; height: 38px; padding: 0 18px; font: 600 14px var(--sans); text-decoration: none; cursor: pointer; white-space: nowrap; }
.btn { position: relative; isolation: isolate; overflow: hidden; border: 0; border-radius: 999px; color: var(--ink);
  background: linear-gradient(180deg, rgba(255,255,255,.34), rgba(255,255,255,.02) 58%, rgba(255,255,255,.14)), rgba(214,232,245,.4);
  -webkit-backdrop-filter: blur(10px) saturate(210%) brightness(1.08); backdrop-filter: blur(10px) saturate(210%) brightness(1.08);
  box-shadow: inset 0 1.5px 1px rgba(255,255,255,.95), inset 0 -1.5px 1px rgba(255,255,255,.55), inset 1px 0 1px rgba(255,255,255,.35), inset -1px 0 1px rgba(255,255,255,.35),
    inset 0 0 14px rgba(255,255,255,.35), 0 1px 2px rgba(6,38,61,.1);
  transition: transform .45s cubic-bezier(.2,1.8,.4,1), filter .25s; }
.btn::before { content: ''; position: absolute; inset: 0; border-radius: inherit; z-index: -1; pointer-events: none;
  background: radial-gradient(70% 90% at var(--mx, 50%) var(--my, -10%), rgba(255,255,255,.75), rgba(255,255,255,0) 60%); transition: background .15s; }
.btn::after { content: ''; position: absolute; inset: 0; border-radius: inherit; z-index: -1; pointer-events: none;
  background: radial-gradient(75% 55% at 50% 120%, rgba(255,255,255,.6), rgba(255,255,255,0) 65%); }
.btn:hover { text-decoration: none; transform: scale(1.035); filter: saturate(1.15) brightness(1.03); }
.btn:active { transform: scale(.95, .9); transition-duration: .12s; }
.btn { color: var(--ink);
  background: linear-gradient(180deg, rgba(255,255,255,.85), rgba(255,255,255,.35) 58%, rgba(255,255,255,.6)), rgba(214,232,245,.4);
  box-shadow: inset 0 1.5px 1px #fff, inset 0 -1.5px 1px rgba(255,255,255,.8), inset 0 0 0 1px rgba(17,17,17,.07), inset 0 0 14px rgba(255,255,255,.6), 0 1px 2px rgba(6,38,61,.08); }
.btn.primary, .btn.accent { color: var(--sky-ink);
  background: linear-gradient(180deg, rgba(255,255,255,.34), rgba(255,255,255,.02) 58%, rgba(255,255,255,.14)), rgba(94,194,247,.62);
  box-shadow: inset 0 1.5px 1px rgba(255,255,255,.95), inset 0 -1.5px 1px rgba(255,255,255,.55), inset 1px 0 1px rgba(255,255,255,.35), inset -1px 0 1px rgba(255,255,255,.35), inset 0 0 14px rgba(255,255,255,.35), 0 1px 2px rgba(6,38,61,.1); }
.btn.small { height: 30px; padding: 0 12px; font-size: 13px; }
.btn.danger { color: var(--bad); }
.btn:disabled { opacity: .45; cursor: default; transform: none; }

.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.pill { display: inline; font-size: 13px; font-weight: 600; color: var(--muted); }
.pill.ok { color: var(--ok); } .pill.warn { color: var(--warn); } .pill.bad { color: var(--bad); }

label { display: block; font-weight: 600; font-size: 13px; color: var(--muted); margin: 14px 0 6px; }
input, select, textarea { width: 100%; height: 40px; padding: 0 11px; border: 1px solid var(--line); border-radius: 6px; background: #fff; color: var(--ink); font: 15px var(--sans); }
textarea { height: auto; padding: 9px 11px; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--sky); outline-offset: -1px; border-color: var(--sky); }
input[type=color] { padding: 3px; }
input[type=checkbox] { height: auto; width: auto; }
.err { color: var(--bad); font-size: 14px; min-height: 1.2em; margin-top: 8px; }

table { width: 100%; border-collapse: collapse; font-size: 14px; }
th { text-align: left; font-weight: 600; font-size: 13px; color: var(--muted); border-bottom: 1px solid var(--ink); }
th, td { padding: 11px 8px; vertical-align: middle; }
td { border-bottom: 1px solid var(--line); }
.table-wrap { overflow-x: auto; }
[data-copy] { margin-left: 6px; }