/* Agent2Agent — the hub of hubs. One stylesheet for every page. */

:root {
  --bg: #f6f4ef;
  --bg-raised: #fffdf8;
  --bg-sunk: #ece8df;
  --ink: #16150f;
  --ink-2: #4a473d;
  --ink-3: #807b6c;
  --line: #dcd6c8;
  --line-strong: #b9b2a1;
  --accent: #e8521a;
  --accent-ink: #ffffff;
  --accent-soft: #fbe3d6;
  --ok: #1f8a4c;
  --bad: #c2362b;
  --a2a: #2457d6;
  --mcp: #12866a;
  --openai: #7a3fd1;
  --webhook: #b66a00;
  --hub: #16150f;
  --code-bg: #1b1a16;
  --code-ink: #efeadf;
  --radius: 14px;
  --radius-sm: 9px;
  --shadow: 0 1px 0 rgba(22, 21, 15, 0.04), 0 8px 24px -12px rgba(22, 21, 15, 0.18);
  --serif: 'Instrument Serif', 'Iowan Old Style', Georgia, serif;
  --sans: 'Instrument Sans', -apple-system, 'Segoe UI', system-ui, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;
  --gutter: clamp(16px, 4vw, 40px);
  --max: 1160px;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) {
    --bg: #12110d;
    --bg-raised: #1b1a15;
    --bg-sunk: #0c0b08;
    --ink: #f1ede3;
    --ink-2: #bdb7a8;
    --ink-3: #8a8474;
    --line: #2e2c24;
    --line-strong: #46433a;
    --accent: #ff6a2e;
    --accent-soft: #3a1d10;
    --ok: #3cc47a;
    --bad: #f0675b;
    --a2a: #6c95ff;
    --mcp: #3cc9a3;
    --openai: #b088ff;
    --webhook: #f0a43a;
    --hub: #f1ede3;
    --code-bg: #0b0a07;
    --shadow: 0 1px 0 rgba(0, 0, 0, 0.3), 0 10px 30px -14px rgba(0, 0, 0, 0.7);
    color-scheme: dark;
  }
}
:root[data-theme='dark'] {
  --bg: #12110d;
  --bg-raised: #1b1a15;
  --bg-sunk: #0c0b08;
  --ink: #f1ede3;
  --ink-2: #bdb7a8;
  --ink-3: #8a8474;
  --line: #2e2c24;
  --line-strong: #46433a;
  --accent: #ff6a2e;
  --accent-soft: #3a1d10;
  --ok: #3cc47a;
  --bad: #f0675b;
  --a2a: #6c95ff;
  --mcp: #3cc9a3;
  --openai: #b088ff;
  --webhook: #f0a43a;
  --hub: #f1ede3;
  --code-bg: #0b0a07;
  --shadow: 0 1px 0 rgba(0, 0, 0, 0.3), 0 10px 30px -14px rgba(0, 0, 0, 0.7);
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.55 var(--sans);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; }
img, svg { max-width: 100%; }
code, pre, kbd { font-family: var(--mono); font-size: 0.88em; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }
::selection { background: var(--accent); color: var(--accent-ink); }

.wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }

/* ---------- header ---------- */
.top {
  position: sticky; top: 0; z-index: 20;
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: saturate(1.4) blur(12px);
  -webkit-backdrop-filter: saturate(1.4) blur(12px);
  border-bottom: 1px solid var(--line);
}
.top .wrap { display: flex; align-items: center; gap: 20px; height: 62px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 600; letter-spacing: -0.01em; white-space: nowrap; }
.brand-mark { width: 28px; height: 28px; flex: none; }
.brand small { font-family: var(--mono); font-size: 11px; color: var(--ink-3); font-weight: 400; }
.nav { display: flex; gap: 4px; margin-left: auto; align-items: center; }
.nav a { text-decoration: none; color: var(--ink-2); padding: 7px 11px; border-radius: 8px; font-size: 14.5px; }
.nav a:hover { color: var(--ink); background: var(--bg-sunk); }
.nav a[aria-current='page'] { color: var(--ink); background: var(--bg-sunk); }
.nav .btn { margin-left: 6px; }
.menu-btn { display: none; margin-left: auto; background: none; border: 1px solid var(--line); border-radius: 8px; width: 40px; height: 36px; color: var(--ink); cursor: pointer; }
@media (max-width: 760px) {
  .menu-btn { display: grid; place-items: center; }
  .nav { display: none; position: absolute; left: 0; right: 0; top: 62px; flex-direction: column; align-items: stretch; padding: 10px var(--gutter) 16px; background: var(--bg); border-bottom: 1px solid var(--line); }
  .nav.open { display: flex; }
  .nav a { padding: 12px; font-size: 16px; }
  .nav .btn { margin: 6px 0 0; justify-content: center; }
}

/* ---------- buttons & inputs ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px; justify-content: center;
  font: 600 14.5px/1 var(--sans); text-decoration: none; cursor: pointer;
  padding: 11px 16px; border-radius: 10px; border: 1px solid var(--line-strong);
  background: var(--bg-raised); color: var(--ink); min-height: 42px;
  transition: transform 0.12s ease, background 0.15s ease, border-color 0.15s ease;
}
.btn:hover { border-color: var(--ink-3); }
.btn:active { transform: translateY(1px); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn.primary:hover { filter: brightness(1.06); }
.btn.ink { background: var(--ink); border-color: var(--ink); color: var(--bg); }
.btn[disabled] { opacity: 0.55; cursor: progress; }
.btn.small { min-height: 34px; padding: 8px 12px; font-size: 13.5px; }

label { display: block; font-size: 13.5px; font-weight: 600; color: var(--ink-2); margin: 0 0 6px; }
.hint { font-size: 13px; color: var(--ink-3); margin: 6px 0 0; }
input[type='text'], input[type='url'], input[type='search'], input[type='password'], select, textarea {
  width: 100%; font: 15px/1.4 var(--sans); color: var(--ink);
  background: var(--bg-raised); border: 1px solid var(--line-strong); border-radius: 10px;
  padding: 11px 12px; min-height: 44px;
}
textarea { font-family: var(--mono); font-size: 13px; line-height: 1.5; resize: vertical; min-height: 220px; }
select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--ink-3) 50%), linear-gradient(135deg, var(--ink-3) 50%, transparent 50%); background-position: calc(100% - 17px) 50%, calc(100% - 12px) 50%; background-size: 5px 5px; background-repeat: no-repeat; padding-right: 32px; }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }

/* ---------- type ---------- */
.eyebrow { font: 500 12px/1 var(--mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-3); display: flex; align-items: center; gap: 8px; }
.eyebrow::before { content: ''; width: 18px; height: 1px; background: currentColor; }
h1, h2, h3 { letter-spacing: -0.02em; line-height: 1.08; margin: 0; }
.display { font-family: var(--serif); font-weight: 400; font-size: clamp(42px, 7.4vw, 88px); line-height: 0.98; letter-spacing: -0.025em; }
.display em { font-style: italic; color: var(--accent); }
.h2 { font-family: var(--serif); font-weight: 400; font-size: clamp(32px, 4.6vw, 52px); line-height: 1.02; }
.lede { font-size: clamp(17px, 2vw, 20px); color: var(--ink-2); max-width: 60ch; margin: 22px 0 0; }
.page-head { padding: clamp(40px, 7vw, 76px) 0 clamp(24px, 4vw, 36px); border-bottom: 1px solid var(--line); }
.page-head h1 { font-family: var(--serif); font-weight: 400; font-size: clamp(38px, 6vw, 64px); margin-top: 14px; }
.page-head p { color: var(--ink-2); max-width: 62ch; margin: 14px 0 0; font-size: 17px; }

/* ---------- hero ---------- */
.hero { padding: clamp(48px, 8vw, 96px) 0 clamp(36px, 6vw, 64px); position: relative; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr); gap: clamp(28px, 5vw, 64px); align-items: center; }
.hero h1 { margin-top: 18px; }
.hero-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 30px; }
.hero-domains { margin-top: 28px; display: flex; gap: 18px; flex-wrap: wrap; font: 13px/1.4 var(--mono); color: var(--ink-3); }
.hero-domains b { color: var(--ink); font-weight: 500; }
@media (max-width: 900px) { .hero-grid { grid-template-columns: minmax(0, 1fr); } }

.switchboard { width: 100%; height: auto; display: block; }
.switchboard .wire { fill: none; stroke: var(--line-strong); stroke-width: 1.5; }
.switchboard .pulse { fill: none; stroke-width: 2.5; stroke-linecap: round; stroke-dasharray: 10 300; animation: travel 3.2s linear infinite; }
.switchboard .node rect { fill: var(--bg-raised); stroke: var(--line-strong); }
.switchboard .node text { font: 600 13px var(--mono); fill: var(--ink); }
.switchboard .node .sub { font: 400 10.5px var(--mono); fill: var(--ink-3); }
.switchboard .core circle.ring { fill: none; stroke: var(--accent); stroke-width: 1.5; opacity: 0.4; transform-origin: center; transform-box: fill-box; animation: breathe 3.2s ease-in-out infinite; }
.switchboard .core circle.body { fill: var(--ink); }
.switchboard .core text { font: 600 12px var(--mono); fill: var(--bg); letter-spacing: 0.04em; }
@keyframes travel { from { stroke-dashoffset: 310; } to { stroke-dashoffset: 0; } }
@keyframes breathe { 0%, 100% { transform: scale(1); opacity: 0.45; } 50% { transform: scale(1.12); opacity: 0.12; } }
@media (prefers-reduced-motion: reduce) { .switchboard .pulse, .switchboard .core circle.ring { animation: none; } }

/* ---------- stats strip ---------- */
.stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg-raised); overflow: hidden; }
.stat { padding: 20px 22px; border-left: 1px solid var(--line); min-width: 0; }
.stat:first-child { border-left: 0; }
.stat .n { font: 400 clamp(30px, 4vw, 44px)/1 var(--serif); letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.stat .l { font-size: 13px; color: var(--ink-3); margin-top: 8px; }
@media (max-width: 700px) {
  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stat:nth-child(3) { border-left: 0; }
  .stat:nth-child(n + 3) { border-top: 1px solid var(--line); }
}

/* ---------- sections ---------- */
.section { padding: clamp(56px, 9vw, 104px) 0; border-top: 1px solid var(--line); }
.section-head { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 24px 48px; align-items: end; margin-bottom: clamp(28px, 5vw, 48px); }
.section-head p { color: var(--ink-2); margin: 0; max-width: 52ch; }
@media (max-width: 800px) { .section-head { grid-template-columns: 1fr; } }

.pillars { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); border-top: 1px solid var(--ink); }
.pillar { padding: 22px 20px 6px 0; }
.pillar + .pillar { padding-left: 20px; border-left: 1px solid var(--line); }
.pillar .num { font: 500 12px var(--mono); color: var(--accent); }
.pillar h3 { font-size: 19px; margin: 12px 0 8px; letter-spacing: -0.01em; }
.pillar p { margin: 0; color: var(--ink-2); font-size: 14.5px; }
@media (max-width: 960px) {
  .pillars { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .pillar, .pillar + .pillar { padding: 20px 16px 20px 0; border-left: 0; border-bottom: 1px solid var(--line); }
  .pillar:nth-child(even) { padding-left: 16px; border-left: 1px solid var(--line); }
}
@media (max-width: 520px) {
  .pillars { grid-template-columns: 1fr; }
  .pillar:nth-child(even) { padding-left: 0; border-left: 0; }
}

.matrix { width: 100%; border-collapse: collapse; font-size: 14.5px; }
.matrix th, .matrix td { text-align: left; padding: 14px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
.matrix th { font: 500 12px var(--mono); text-transform: uppercase; letter-spacing: 0.06em; color: var(--ink-3); }
.matrix td:first-child { white-space: nowrap; }
.table-scroll { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg-raised); }
.table-scroll .matrix tr:last-child td { border-bottom: 0; }

.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(24px, 4vw, 48px); align-items: start; }
@media (max-width: 860px) { .split { grid-template-columns: minmax(0, 1fr); } }

/* ---------- protocol chips & status ---------- */
.proto { display: inline-flex; align-items: center; gap: 6px; font: 500 11.5px/1 var(--mono); text-transform: uppercase; letter-spacing: 0.05em; padding: 5px 8px 5px 7px; border-radius: 6px; border: 1px solid color-mix(in srgb, var(--c) 40%, transparent); color: var(--c); background: color-mix(in srgb, var(--c) 9%, transparent); white-space: nowrap; }
.proto::before { content: ''; width: 6px; height: 6px; border-radius: 2px; background: var(--c); }
.proto.a2a { --c: var(--a2a); } .proto.mcp { --c: var(--mcp); } .proto.openai { --c: var(--openai); } .proto.webhook { --c: var(--webhook); } .proto.inbox { --c: var(--accent); } .proto.hub { --c: var(--hub); }
.chips { display: inline-flex; flex-wrap: wrap; gap: 6px; align-items: center; min-width: 0; }
.badge { font: 500 11px/1 var(--sans); padding: 5px 7px; border-radius: 6px; background: var(--bg-sunk); color: var(--ink-2); white-space: nowrap; }
.badge.own { background: var(--accent-soft); color: var(--accent); }
.status { display: inline-flex; align-items: center; gap: 6px; font-size: 12.5px; color: var(--ink-3); white-space: nowrap; }
.status::before { content: ''; width: 8px; height: 8px; border-radius: 50%; background: var(--ink-3); }
.status.up::before { background: var(--ok); box-shadow: 0 0 0 3px color-mix(in srgb, var(--ok) 20%, transparent); }
.status.down::before { background: var(--bad); }
.tag { display: inline-block; font-size: 12px; color: var(--ink-2); background: var(--bg-sunk); border-radius: 5px; padding: 3px 7px; margin: 0 4px 4px 0; }

/* ---------- cards & grid ---------- */
.card { background: var(--bg-raised); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow); min-width: 0; }
.agents-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 14px; }
@media (max-width: 360px) { .agents-grid { grid-template-columns: 1fr; } }
.agent-card { display: flex; flex-direction: column; gap: 12px; text-decoration: none; transition: border-color 0.15s ease, transform 0.15s ease; }
.agent-card:hover { border-color: var(--line-strong); transform: translateY(-2px); }
.agent-card .row { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.agent-card h3 { font-size: 18px; letter-spacing: -0.01em; overflow-wrap: anywhere; }
.agent-card .id { font: 12px var(--mono); color: var(--ink-3); overflow-wrap: anywhere; }
.agent-card p { margin: 0; color: var(--ink-2); font-size: 14px; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.agent-card .card-foot { margin-top: auto; display: flex; justify-content: space-between; align-items: center; gap: 8px; font-size: 12.5px; color: var(--ink-3); border-top: 1px dashed var(--line); padding-top: 12px; }

.toolbar { display: grid; grid-template-columns: minmax(0, 1fr) 160px 150px 170px; gap: 10px; margin: 28px 0 18px; }
@media (max-width: 640px) { .toolbar { grid-template-columns: 1fr 1fr; } .toolbar .search { grid-column: 1 / -1; } }
.result-meta { font-size: 13.5px; color: var(--ink-3); margin-bottom: 14px; min-height: 20px; }
.empty { text-align: center; padding: 56px 20px; border: 1px dashed var(--line-strong); border-radius: var(--radius); color: var(--ink-2); }
.empty h3 { font-family: var(--serif); font-weight: 400; font-size: 30px; margin-bottom: 8px; color: var(--ink); }
.skeleton { background: linear-gradient(90deg, var(--bg-sunk), var(--bg-raised), var(--bg-sunk)); background-size: 200% 100%; animation: shimmer 1.4s infinite; border-radius: var(--radius); min-height: 190px; border: 1px solid var(--line); }
@keyframes shimmer { from { background-position: 200% 0; } to { background-position: -200% 0; } }

/* ---------- activity ---------- */
.feed { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.feed li { display: grid; grid-template-columns: 92px minmax(0, 1fr); gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--line); font-size: 14.5px; }
.feed time { font: 12px/1.9 var(--mono); color: var(--ink-3); }
.feed .what { overflow-wrap: anywhere; }
.feed .what a { font-weight: 600; text-decoration: none; }
.feed .what a:hover { text-decoration: underline; }

/* ---------- code ---------- */
pre.code { background: var(--code-bg); color: var(--code-ink); border-radius: var(--radius-sm); padding: 16px 18px; overflow-x: auto; margin: 0; font-size: 12.8px; line-height: 1.6; border: 1px solid var(--line); }
pre.code .c { color: #8f8a7c; } pre.code .k { color: #ff9a6b; } pre.code .s { color: #a6d98e; }
:not(pre) > code { background: var(--bg-sunk); padding: 2px 6px; border-radius: 5px; overflow-wrap: anywhere; }
.code-block { position: relative; }
.copy { position: absolute; top: 8px; right: 8px; font: 500 11.5px var(--mono); background: rgba(255,255,255,0.08); color: var(--code-ink); border: 1px solid rgba(255,255,255,0.14); border-radius: 6px; padding: 5px 8px; cursor: pointer; }
.copy:hover { background: rgba(255,255,255,0.16); }

/* ---------- forms ---------- */
.form { display: grid; gap: 18px; }
.form .two { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 560px) { .form .two { grid-template-columns: 1fr; } }
.segmented { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 6px; }
.segmented input { position: absolute; opacity: 0; pointer-events: none; }
.segmented label { margin: 0; display: flex; flex-direction: column; gap: 3px; padding: 11px 10px; border: 1px solid var(--line-strong); border-radius: 10px; cursor: pointer; background: var(--bg-raised); font-weight: 600; color: var(--ink); font-size: 14px; min-height: 44px; }
.segmented label small { font-weight: 400; font-size: 11.5px; color: var(--ink-3); line-height: 1.3; }
.segmented input:checked + label { border-color: var(--accent); box-shadow: inset 0 0 0 1px var(--accent); background: var(--accent-soft); }
.segmented input:focus-visible + label { outline: 2px solid var(--accent); outline-offset: 2px; }
@media (max-width: 520px) { .segmented { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
[hidden] { display: none !important; }

.notice { border-radius: var(--radius-sm); padding: 14px 16px; font-size: 14.5px; border: 1px solid var(--line); background: var(--bg-raised); overflow-wrap: anywhere; }
.notice.error { border-color: color-mix(in srgb, var(--bad) 50%, transparent); background: color-mix(in srgb, var(--bad) 8%, var(--bg-raised)); }
.notice.success { border-color: color-mix(in srgb, var(--ok) 50%, transparent); background: color-mix(in srgb, var(--ok) 8%, var(--bg-raised)); }
.key-box { display: flex; gap: 8px; align-items: stretch; margin: 12px 0; }
.key-box code { flex: 1; min-width: 0; display: block; padding: 12px; font-size: 13px; background: var(--code-bg); color: var(--code-ink); border-radius: 8px; overflow-wrap: anywhere; }

/* ---------- agent page ---------- */
.agent-head { display: flex; flex-wrap: wrap; gap: 12px 18px; align-items: center; margin-top: 16px; }
.kv { display: grid; grid-template-columns: 150px minmax(0, 1fr); border-top: 1px solid var(--line); font-size: 14.5px; }
.kv > * { padding: 11px 0; border-bottom: 1px solid var(--line); min-width: 0; overflow-wrap: anywhere; }
.kv dt { color: var(--ink-3); }
.kv dd { margin: 0; }
@media (max-width: 520px) { .kv { grid-template-columns: 1fr; } .kv dt { border-bottom: 0; padding-bottom: 0; } }
.skills { display: grid; gap: 10px; }
.skill { border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 14px 16px; background: var(--bg-raised); }
.skill b { font-size: 15px; }
.skill .sid { font: 12px var(--mono); color: var(--ink-3); margin-left: 6px; }
.skill p { margin: 6px 0 0; color: var(--ink-2); font-size: 14px; white-space: pre-line; }
.faces { display: grid; gap: 10px; }
.face { display: grid; grid-template-columns: 74px minmax(0, 1fr); gap: 10px; align-items: center; font-size: 13px; }
.face code { font-size: 12px; }

/* ---------- translate ---------- */
.translator { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 16px; }
.translator .pane { display: grid; grid-template-columns: minmax(0, 1fr); gap: 10px; align-content: start; min-width: 0; }
.translator .pane-head { display: flex; gap: 8px; align-items: center; }
.translator .pane-head select { flex: 1; }
.translator pre.code { min-height: 220px; max-height: 520px; }
@media (max-width: 820px) { .translator { grid-template-columns: minmax(0, 1fr); } }
.controls { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin: 18px 0; }
.controls .chip-group { display: inline-flex; border: 1px solid var(--line-strong); border-radius: 10px; overflow: hidden; }
.controls .chip-group button { font: 500 13.5px var(--sans); padding: 9px 14px; border: 0; background: var(--bg-raised); color: var(--ink-2); cursor: pointer; min-height: 40px; }
.controls .chip-group button[aria-pressed='true'] { background: var(--ink); color: var(--bg); }

/* ---------- docs ---------- */
.docs { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 48px; padding: 40px 0 80px; }
.docs nav { position: sticky; top: 86px; align-self: start; display: grid; gap: 2px; font-size: 14px; }
.docs nav a { text-decoration: none; color: var(--ink-2); padding: 6px 10px; border-radius: 7px; }
.docs nav a:hover { background: var(--bg-sunk); color: var(--ink); }
.docs article h2 { font-family: var(--serif); font-weight: 400; font-size: 34px; margin: 56px 0 14px; scroll-margin-top: 90px; }
.docs article h2:first-child { margin-top: 0; }
.docs article h3 { font-size: 17px; margin: 28px 0 10px; }
.docs article p, .docs article li { color: var(--ink-2); max-width: 70ch; }
.docs article .code-block { margin: 12px 0 18px; }
.endpoint { display: flex; gap: 10px; align-items: baseline; flex-wrap: wrap; font: 13.5px var(--mono); margin: 22px 0 6px; }
.endpoint .m { font-weight: 600; padding: 3px 7px; border-radius: 5px; background: var(--ink); color: var(--bg); font-size: 11.5px; }
.endpoint .lock { font-family: var(--sans); font-size: 12px; color: var(--accent); }
@media (max-width: 860px) { .docs { grid-template-columns: minmax(0, 1fr); gap: 20px; } .docs nav { position: static; display: flex; flex-wrap: wrap; } }

/* ---------- footer ---------- */
.foot { border-top: 1px solid var(--line); padding: 40px 0 56px; color: var(--ink-3); font-size: 13.5px; }
.foot .wrap { display: flex; flex-wrap: wrap; gap: 14px 28px; justify-content: space-between; align-items: center; }
.foot a { text-decoration: none; color: var(--ink-2); }
.foot a:hover { color: var(--ink); }
.foot .links { display: flex; gap: 18px; flex-wrap: wrap; }
.theme-toggle { background: none; border: 1px solid var(--line); color: var(--ink-2); border-radius: 8px; padding: 6px 10px; font: 12.5px var(--sans); cursor: pointer; }

.reveal { opacity: 0; transform: translateY(10px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } }

/* ---------- category picker ---------- */
.cat-picker { position: relative; min-width: 0; }
.cat-field { position: relative; }
.cat-field input { padding-right: 34px; }
.cat-caret { position: absolute; right: 12px; top: 50%; transform: translateY(-50%); color: var(--ink-3); pointer-events: none; font-size: 12px; }
.cat-list { position: absolute; z-index: 30; left: 0; right: 0; top: calc(100% + 4px); max-height: min(360px, 60vh); overflow-y: auto; background: var(--bg-raised); border: 1px solid var(--line-strong); border-radius: 12px; box-shadow: var(--shadow); padding: 6px; overscroll-behavior: contain; }
.cat-crumbs { display: flex; flex-wrap: wrap; gap: 4px; align-items: center; padding: 6px 6px 8px; border-bottom: 1px solid var(--line); margin-bottom: 4px; font-size: 13px; color: var(--ink-3); position: sticky; top: -6px; background: var(--bg-raised); z-index: 1; }
.cat-crumbs button { border: 0; background: none; color: var(--ink-2); font: 500 13px var(--sans); cursor: pointer; padding: 4px 6px; border-radius: 6px; text-align: left; }
.cat-crumbs button:hover { background: var(--bg-sunk); }
.cat-crumbs .cat-this { margin-left: auto; background: var(--accent-soft); color: var(--accent); }
.cat-opt { display: flex; align-items: stretch; gap: 4px; border-radius: 8px; }
.cat-opt.active, .cat-opt:hover { background: var(--bg-sunk); }
.cat-opt.picked .cat-title { color: var(--accent); }
.cat-pick { flex: 1; min-width: 0; text-align: left; border: 0; background: none; color: var(--ink); cursor: pointer; padding: 9px 10px; font: 15px/1.3 var(--sans); display: grid; gap: 2px; min-height: 44px; align-content: center; }
.cat-path { font-size: 12px; color: var(--ink-3); overflow-wrap: anywhere; }
.cat-match { font-size: 13px; color: var(--ink-2); font-style: italic; overflow-wrap: anywhere; }
.cat-count { align-self: center; font: 12px var(--mono); color: var(--ink-3); padding: 0 4px; }
.cat-in { border: 0; background: none; color: var(--ink-2); font-size: 20px; width: 44px; cursor: pointer; border-radius: 8px; }
.cat-in:hover { background: var(--line); }
.cat-empty { padding: 14px; color: var(--ink-3); font-size: 14px; }
.cat-chips { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 6px; }
.cat-chips:empty { display: none; }
.cat-chip { display: inline-flex; align-items: center; gap: 4px; background: var(--accent-soft); color: var(--accent); border-radius: 8px; padding: 5px 4px 5px 10px; font: 500 13px var(--sans); }
.cat-chip button { border: 0; background: none; color: inherit; font-size: 16px; line-height: 1; cursor: pointer; width: 24px; height: 24px; border-radius: 6px; }

.cat-bar { display: grid; gap: 12px; margin-top: 28px; grid-template-columns: minmax(0, 1fr); }
.cat-nav { display: grid; gap: 10px; }
.cat-trail { display: flex; flex-wrap: wrap; gap: 4px; align-items: center; color: var(--ink-3); font-size: 14px; }
.cat-crumb { border: 0; background: none; color: var(--ink-2); font: 600 14px var(--sans); cursor: pointer; padding: 4px 6px; border-radius: 6px; }
.cat-crumb:hover { background: var(--bg-sunk); color: var(--ink); }
.cat-trail .cat-crumb:last-child { color: var(--ink); }
.cat-kids { display: flex; gap: 6px; overflow-x: auto; padding-bottom: 4px; scrollbar-width: thin; }
.cat-kid { flex: none; display: inline-flex; gap: 8px; align-items: center; border: 1px solid var(--line-strong); background: var(--bg-raised); color: var(--ink); border-radius: 999px; padding: 8px 14px; font: 500 13.5px var(--sans); cursor: pointer; max-width: 320px; min-height: 38px; }
.cat-kid span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.cat-kid b { font: 600 11.5px var(--mono); color: var(--accent); }
.cat-kid:hover { border-color: var(--ink-3); }
.toolbar { margin-top: 12px; }