/* Zamin Docs — fog/glass style, light + dark (system, or [data-theme] from the toggle). */
:root {
  --bg1: #f2f3f7;
  --bg2: #ffffff;
  --surface: rgba(255, 255, 255, 0.74);
  --surface-strong: rgba(255, 255, 255, 0.94);
  --surface-hover: rgba(15, 23, 42, 0.045);
  --border: rgba(15, 23, 42, 0.09);
  --border-strong: rgba(15, 23, 42, 0.16);
  --text: #0b1220;
  --muted: #5b6270;
  --green: #16a34a;
  --green-ink: #15803d;
  --green-soft: rgba(22, 163, 74, 0.11);
  --btn-bg: #15803d;
  --btn-bg-hover: #166534;
  --btn-text: #ffffff;
  --shadow: 0 18px 50px rgba(15, 23, 42, 0.08);
  --shadow-sm: 0 4px 16px rgba(15, 23, 42, 0.06);
  --code-bg: #f6f8fa;
  --code-head: #eef1f4;
  --code-text: #1f2328;
  --inline-code: rgba(15, 23, 42, 0.06);
  --t-kw: #8250df;
  --t-str: #0a6c35;
  --t-num: #0550ae;
  --t-com: #57606a;
  --t-fn: #953800;
  --t-key: #0550ae;
  --t-const: #0550ae;
  --t-dec: #953800;
  --t-bi: #0550ae;
  --t-var: #953800;
  --t-flag: #8250df;
  --t-self: #cf222e;
  --info: #2563eb;
  --info-soft: rgba(37, 99, 235, 0.08);
  --warn: #b45309;
  --warn-soft: rgba(217, 119, 6, 0.1);
  --sec: #7c3aed;
  --sec-soft: rgba(124, 58, 237, 0.08);
  --soon: #c2410c;
  --soon-soft: rgba(234, 88, 12, 0.09);
  --get: #1d4ed8;
  --get-soft: rgba(29, 78, 216, 0.1);
  --post: #15803d;
  --post-soft: rgba(22, 163, 74, 0.12);
  --bubble-user: rgba(22, 163, 74, 0.14);
  --bubble-bot: rgba(255, 255, 255, 0.95);
  --topbar-h: 60px;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg1: #232428;
    --bg2: #0b0b0d;
    --surface: rgba(255, 255, 255, 0.055);
    --surface-strong: rgba(24, 25, 29, 0.94);
    --surface-hover: rgba(255, 255, 255, 0.06);
    --border: rgba(255, 255, 255, 0.11);
    --border-strong: rgba(255, 255, 255, 0.2);
    --text: #f4f5f7;
    --muted: #a7acb6;
    --green: #4ade80;
    --green-ink: #4ade80;
    --green-soft: rgba(74, 222, 128, 0.13);
    --btn-bg: #4ade80;
    --btn-bg-hover: #86efac;
    --btn-text: #052e16;
    --shadow: 0 18px 50px rgba(0, 0, 0, 0.45);
    --shadow-sm: 0 4px 16px rgba(0, 0, 0, 0.3);
    --code-bg: #111216;
    --code-head: #18191e;
    --code-text: #e6edf3;
    --inline-code: rgba(255, 255, 255, 0.09);
    --t-kw: #ff7b72;
    --t-str: #7ee787;
    --t-num: #79c0ff;
    --t-com: #8b949e;
    --t-fn: #d2a8ff;
    --t-key: #79c0ff;
    --t-const: #79c0ff;
    --t-dec: #ffa657;
    --t-bi: #ffa657;
    --t-var: #ffa657;
    --t-flag: #d2a8ff;
    --t-self: #ff7b72;
    --info: #93c5fd;
    --info-soft: rgba(96, 165, 250, 0.1);
    --warn: #fcd34d;
    --warn-soft: rgba(251, 191, 36, 0.1);
    --sec: #c4b5fd;
    --sec-soft: rgba(167, 139, 250, 0.1);
    --soon: #fdba74;
    --soon-soft: rgba(251, 146, 60, 0.1);
    --get: #93c5fd;
    --get-soft: rgba(96, 165, 250, 0.14);
    --post: #4ade80;
    --post-soft: rgba(74, 222, 128, 0.14);
    --bubble-user: rgba(74, 222, 128, 0.16);
    --bubble-bot: rgba(255, 255, 255, 0.08);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg1: #232428;
  --bg2: #0b0b0d;
  --surface: rgba(255, 255, 255, 0.055);
  --surface-strong: rgba(24, 25, 29, 0.94);
  --surface-hover: rgba(255, 255, 255, 0.06);
  --border: rgba(255, 255, 255, 0.11);
  --border-strong: rgba(255, 255, 255, 0.2);
  --text: #f4f5f7;
  --muted: #a7acb6;
  --green: #4ade80;
  --green-ink: #4ade80;
  --green-soft: rgba(74, 222, 128, 0.13);
  --btn-bg: #4ade80;
  --btn-bg-hover: #86efac;
  --btn-text: #052e16;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.45);
  --shadow-sm: 0 4px 16px rgba(0, 0, 0, 0.3);
  --code-bg: #111216;
  --code-head: #18191e;
  --code-text: #e6edf3;
  --inline-code: rgba(255, 255, 255, 0.09);
  --t-kw: #ff7b72;
  --t-str: #7ee787;
  --t-num: #79c0ff;
  --t-com: #8b949e;
  --t-fn: #d2a8ff;
  --t-key: #79c0ff;
  --t-const: #79c0ff;
  --t-dec: #ffa657;
  --t-bi: #ffa657;
  --t-var: #ffa657;
  --t-flag: #d2a8ff;
  --t-self: #ff7b72;
  --info: #93c5fd;
  --info-soft: rgba(96, 165, 250, 0.1);
  --warn: #fcd34d;
  --warn-soft: rgba(251, 191, 36, 0.1);
  --sec: #c4b5fd;
  --sec-soft: rgba(167, 139, 250, 0.1);
  --soon: #fdba74;
  --soon-soft: rgba(251, 146, 60, 0.1);
  --get: #93c5fd;
  --get-soft: rgba(96, 165, 250, 0.14);
  --post: #4ade80;
  --post-soft: rgba(74, 222, 128, 0.14);
  --bubble-user: rgba(74, 222, 128, 0.16);
  --bubble-bot: rgba(255, 255, 255, 0.08);
  color-scheme: dark;
}

/* ---------- base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: calc(var(--topbar-h) + 16px); }
body {
  margin: 0;
  font: 16px/1.65 var(--sans);
  color: var(--text);
  background: var(--bg2) linear-gradient(180deg, var(--bg1) 0%, var(--bg2) 520px) no-repeat;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: var(--green-ink); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 2px solid var(--green); outline-offset: 2px; border-radius: 6px; }
img, svg { max-width: 100%; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.skip { position: absolute; left: 12px; top: -60px; z-index: 100; background: var(--btn-bg); color: var(--btn-text); padding: 10px 16px; border-radius: 10px; font-weight: 700; text-decoration: none; }
.skip:focus { top: 10px; }
.mono { font-family: var(--mono); }
.muted { color: var(--muted); }
.small { font-size: 14px; }
kbd { font-family: var(--mono); font-size: 12px; }

/* ---------- top bar ---------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  height: var(--topbar-h);
  background: var(--bg1);
  background: color-mix(in srgb, var(--bg1) 80%, transparent);
  -webkit-backdrop-filter: saturate(160%) blur(18px);
  backdrop-filter: saturate(160%) blur(18px);
  border-bottom: 1px solid var(--border);
}
.topbar-in { max-width: 1480px; height: 100%; margin: 0 auto; padding: 0 16px; display: flex; align-items: center; gap: 10px; }
.brand { display: flex; align-items: center; gap: 9px; text-decoration: none; color: var(--text); font-weight: 800; font-size: 18px; letter-spacing: -0.2px; margin-right: auto; min-width: 0; }
.logo { width: 32px; height: 32px; flex: none; border-radius: 10px; background: var(--green); color: #052e16; display: grid; place-items: center; font-weight: 900; font-size: 17px; box-shadow: 0 6px 18px rgba(22, 163, 74, 0.3); }
.brand-docs { font-weight: 700; font-size: 12px; color: var(--green-ink); background: var(--green-soft); border-radius: 999px; padding: 3px 9px; letter-spacing: 0.3px; }
.top-links { display: flex; align-items: center; gap: 6px; }
.top-link { color: var(--muted); text-decoration: none; font-weight: 600; font-size: 14px; padding: 8px 10px; border-radius: 10px; }
.top-link:hover { color: var(--text); background: var(--surface-hover); }
.icon-btn { display: inline-grid; place-items: center; width: 40px; height: 40px; border-radius: 12px; border: 1px solid var(--border); background: var(--surface); color: var(--text); cursor: pointer; flex: none; }
.icon-btn:hover { background: var(--surface-hover); }
.menu-btn { display: none; }
.theme-btn svg { display: none; }
:root[data-theme-pref="auto"] .theme-btn .i-auto,
:root[data-theme-pref="light"] .theme-btn .i-light,
:root[data-theme-pref="dark"] .theme-btn .i-dark { display: block; }
:root:not(.js) .theme-btn { display: none; }
.show-xs { display: none; }

/* ---------- buttons ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; height: 46px; padding: 0 22px; border-radius: 999px; font-weight: 700; font-size: 15px; text-decoration: none; border: 1px solid transparent; white-space: nowrap; }
.btn-sm { height: 38px; padding: 0 14px; font-size: 14px; }
.btn-primary { background: var(--btn-bg); color: var(--btn-text); box-shadow: 0 8px 24px rgba(22, 163, 74, 0.25); }
.btn-primary:hover { background: var(--btn-bg-hover); text-decoration: none; }
.btn-ghost { background: var(--surface); color: var(--text); border-color: var(--border); -webkit-backdrop-filter: blur(16px); backdrop-filter: blur(16px); }
.btn-ghost:hover { background: var(--surface-hover); }

/* ---------- layout ---------- */
.layout { max-width: 1480px; margin: 0 auto; display: grid; grid-template-columns: 280px minmax(0, 1fr) 232px; }
.sidebar {
  position: sticky;
  top: var(--topbar-h);
  height: calc(100vh - var(--topbar-h));
  height: calc(100dvh - var(--topbar-h));
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 18px 12px 40px 16px;
  border-right: 1px solid var(--border);
}
.content { min-width: 0; padding: 28px clamp(16px, 4vw, 56px) 40px; }
.content:focus { outline: none; }
.prose { max-width: 800px; margin: 0 auto; }
.toc { position: sticky; top: var(--topbar-h); height: calc(100vh - var(--topbar-h)); overflow-y: auto; padding: 30px 16px 40px 8px; font-size: 13.5px; }
.toc-title { font-weight: 700; font-size: 12px; text-transform: uppercase; letter-spacing: 0.6px; color: var(--muted); margin: 0 0 10px; }
.toc ul { list-style: none; margin: 0; padding: 0; border-left: 1px solid var(--border); }
.toc li a { display: block; padding: 5px 0 5px 12px; margin-left: -1px; border-left: 2px solid transparent; color: var(--muted); text-decoration: none; line-height: 1.4; }
.toc li.toc-l3 a { padding-left: 24px; font-size: 13px; }
.toc li a:hover { color: var(--text); }
.toc li a.active { color: var(--green-ink); border-left-color: var(--green); font-weight: 600; }
.scrim { display: none; }

/* ---------- sidebar nav ---------- */
.search { position: relative; margin-bottom: 14px; }
.search-input {
  width: 100%;
  height: 42px;
  padding: 0 38px 0 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font: 15px var(--sans);
  -webkit-appearance: none;
  appearance: none;
}
.search-input::placeholder { color: var(--muted); }
.search-input:focus { outline: 2px solid var(--green); outline-offset: 0; border-color: transparent; }
.search-kbd { position: absolute; right: 10px; top: 11px; padding: 1px 7px; border: 1px solid var(--border); border-radius: 6px; color: var(--muted); background: var(--surface); pointer-events: none; }
.search-input:focus + .search-kbd { display: none; }
.search-results { list-style: none; margin: 8px 0 0; padding: 6px; border-radius: 14px; border: 1px solid var(--border); background: var(--surface-strong); box-shadow: var(--shadow); max-height: 60vh; overflow-y: auto; }
.search-results li a { display: block; padding: 8px 10px; border-radius: 9px; text-decoration: none; color: var(--text); }
.search-results li a small { display: block; color: var(--muted); font-size: 12px; line-height: 1.35; }
.search-results li a .k { font-size: 11px; font-weight: 700; color: var(--green-ink); margin-left: 6px; text-transform: uppercase; letter-spacing: 0.4px; }
.search-results li[aria-selected="true"] a, .search-results li a:hover { background: var(--green-soft); }
.search-results .empty { padding: 10px; color: var(--muted); font-size: 14px; }
.nav-group { margin-bottom: 18px; }
.nav-title { margin: 0 0 6px; padding: 0 10px; font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.6px; color: var(--muted); }
.nav-sub { margin: 12px 0 4px; padding: 0 10px; font-size: 12.5px; font-weight: 600; color: var(--muted); }
.nav ul { list-style: none; margin: 0; padding: 0; }
.nav li a { display: block; padding: 6px 10px; border-radius: 9px; color: var(--text); text-decoration: none; font-size: 14.5px; line-height: 1.4; }
.nav li a.mono { font-size: 13.5px; }
.nav li a:hover { background: var(--surface-hover); }
.nav li a[aria-current="page"] { background: var(--green-soft); color: var(--green-ink); font-weight: 650; }
.nav .is-hidden { display: none; }
.soon { display: inline-block; font-family: var(--sans); font-size: 10.5px; font-weight: 700; color: var(--soon); background: var(--soon-soft); border-radius: 999px; padding: 1px 7px; vertical-align: 1px; }

/* ---------- prose ---------- */
.crumbs ol { list-style: none; display: flex; flex-wrap: wrap; gap: 6px; padding: 0; margin: 0 auto 14px; max-width: 800px; font-size: 13.5px; color: var(--muted); }
.crumbs li + li::before { content: "›"; margin-right: 6px; color: var(--muted); }
.crumbs a { color: var(--muted); text-decoration: none; }
.crumbs a:hover { color: var(--text); text-decoration: underline; }
.prose h1 { font-size: clamp(30px, 4.5vw, 42px); line-height: 1.12; font-weight: 800; letter-spacing: -0.9px; margin: 0 0 14px; overflow-wrap: anywhere; }
.prose h2 { font-size: clamp(22px, 3vw, 27px); line-height: 1.25; font-weight: 750; letter-spacing: -0.4px; margin: 46px 0 14px; padding-top: 10px; overflow-wrap: anywhere; }
.prose h3 { font-size: 18.5px; line-height: 1.35; font-weight: 700; margin: 30px 0 10px; }
.prose p, .prose ul, .prose ol { margin: 0 0 16px; }
.prose ul, .prose ol { padding-left: 24px; }
.prose li { margin: 5px 0; }
.prose li::marker { color: var(--muted); }
.prose .lead { font-size: 18.5px; line-height: 1.6; color: var(--muted); margin-bottom: 22px; }
.prose :not(pre) > code { font-family: var(--mono); font-size: 0.86em; background: var(--inline-code); border-radius: 6px; padding: 0.12em 0.4em; overflow-wrap: anywhere; }
.prose a code { color: inherit; }
.eyebrow { margin: 0 0 8px; font-size: 13px; font-weight: 700; letter-spacing: 0.5px; text-transform: uppercase; color: var(--green-ink); }
.eyebrow-soon { color: var(--soon); }
.prose h2 + .table-wrap, .prose h2 + .code { margin-top: 6px; }

/* ---------- hero (overview) ---------- */
.hero { padding: 18px 0 8px; }
.hero h1 { font-size: clamp(34px, 6vw, 54px); letter-spacing: -1.4px; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 8px; }

/* ---------- cards ---------- */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 12px; margin: 0 0 22px; }
.card-link { display: flex; flex-direction: column; gap: 4px; padding: 16px 18px; border-radius: 18px; border: 1px solid var(--border); background: var(--surface); box-shadow: var(--shadow-sm); text-decoration: none; color: var(--text); -webkit-backdrop-filter: blur(18px); backdrop-filter: blur(18px); transition: transform 0.15s ease, border-color 0.15s ease; }
.card-link:hover { transform: translateY(-2px); border-color: var(--border-strong); }
.card-link strong { font-size: 16px; }
.card-link span:last-child { color: var(--muted); font-size: 14px; line-height: 1.45; }
.card-icon { font-size: 22px; width: 42px; height: 42px; border-radius: 13px; display: grid; place-items: center; background: var(--green-soft); margin-bottom: 6px; }

/* ---------- steps ---------- */
.steps { list-style: none; counter-reset: step; padding: 0 !important; margin: 0 0 20px; }
.steps > li { counter-increment: step; position: relative; padding: 2px 0 8px 54px; margin: 0 0 14px; }
.steps > li::before { content: counter(step); position: absolute; left: 0; top: 0; width: 36px; height: 36px; border-radius: 12px; display: grid; place-items: center; font-weight: 800; color: var(--green-ink); background: var(--green-soft); border: 1px solid var(--border); }
.steps > li:not(:last-child)::after { content: ""; position: absolute; left: 18px; top: 42px; bottom: -8px; width: 1px; background: var(--border); }
.step-title { margin: 4px 0 8px !important; font-size: 18px !important; }

/* ---------- code ---------- */
.code { margin: 0 0 20px; border-radius: 14px; border: 1px solid var(--border); background: var(--code-bg); overflow: hidden; box-shadow: var(--shadow-sm); }
.code-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 6px 8px 6px 14px; background: var(--code-head); border-bottom: 1px solid var(--border); }
.code-lang { font-size: 12px; font-weight: 600; color: var(--muted); font-family: var(--mono); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.copy { font: 600 12.5px var(--sans); color: var(--muted); background: transparent; border: 1px solid var(--border); border-radius: 8px; padding: 4px 10px; cursor: pointer; }
.copy:hover { color: var(--text); background: var(--surface-hover); }
.copy.done { color: var(--green-ink); border-color: var(--green); }
:root:not(.js) .copy { display: none; }
.code pre { margin: 0; padding: 14px 16px; overflow-x: auto; font: 13.5px/1.6 var(--mono); color: var(--code-text); tab-size: 4; -webkit-overflow-scrolling: touch; }
.code pre code { font: inherit; white-space: pre; }
.t-kw, .t-self { color: var(--t-kw); }
.t-self { color: var(--t-self); }
.t-str { color: var(--t-str); }
.t-num { color: var(--t-num); }
.t-com { color: var(--t-com); font-style: italic; }
.t-fn { color: var(--t-fn); }
.t-key { color: var(--t-key); }
.t-const { color: var(--t-const); }
.t-dec { color: var(--t-dec); }
.t-bi { color: var(--t-bi); }
.t-var { color: var(--t-var); }
.t-flag { color: var(--t-flag); }

/* tabs */
.tabs { margin: 0 0 20px; }
.tab-list { display: flex; gap: 4px; margin-bottom: 8px; }
:root:not(.js) .tab-list { display: none; }
.tab-list button { font: 600 13.5px var(--sans); color: var(--muted); background: transparent; border: 1px solid transparent; border-radius: 999px; padding: 6px 14px; cursor: pointer; }
.tab-list button:hover { color: var(--text); background: var(--surface-hover); }
.tab-list button[aria-selected="true"] { color: var(--green-ink); background: var(--green-soft); border-color: var(--border); }
:root.js .tab-panel:not(.active) { display: none; }
.tab-panel .code { margin-bottom: 0; }
:root:not(.js) .tab-panel + .tab-panel { margin-top: 12px; }

/* ---------- tables (cards on phones) ---------- */
.table-wrap { margin: 0 0 22px; border: 1px solid var(--border); border-radius: 14px; background: var(--surface); overflow-x: auto; -webkit-backdrop-filter: blur(16px); backdrop-filter: blur(16px); }
table { width: 100%; border-collapse: collapse; font-size: 14.5px; line-height: 1.5; }
th { text-align: left; font-size: 12.5px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.4px; color: var(--muted); padding: 10px 14px; border-bottom: 1px solid var(--border); background: var(--surface-hover); }
td { padding: 11px 14px; border-bottom: 1px solid var(--border); vertical-align: top; overflow-wrap: anywhere; }
tr:last-child td { border-bottom: 0; }
td code { white-space: normal; }
table.params td:first-child, table.fields td:first-child { white-space: nowrap; }
table.params td:first-child code, table.fields td:first-child code { font-weight: 600; color: var(--text); }
.req, .opt { display: inline-block; font-size: 11.5px; font-weight: 700; border-radius: 999px; padding: 2px 8px; white-space: nowrap; }
.req { color: var(--warn); background: var(--warn-soft); }
.opt { color: var(--muted); background: var(--surface-hover); }
.code-pill { display: inline-block; font: 700 12.5px var(--mono); border-radius: 7px; padding: 2px 7px; background: var(--surface-hover); }
.badge { display: inline-block; font: 700 11.5px var(--mono); letter-spacing: 0.4px; border-radius: 7px; padding: 3px 8px; vertical-align: 1px; }
.badge-get { color: var(--get); background: var(--get-soft); }
.badge-post { color: var(--post); background: var(--post-soft); }

/* ---------- method page ---------- */
.prose .method-name { font-family: var(--mono); letter-spacing: -0.5px; font-size: clamp(24px, 6vw, 40px); }
.endpoint { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; padding: 12px 14px; border-radius: 14px; border: 1px solid var(--border); background: var(--surface); margin: 0 0 6px; }
.endpoint-url { font: 13.5px var(--mono) !important; background: none !important; padding: 0 !important; overflow-wrap: anywhere; }
.endpoint-note { font-size: 13.5px; color: var(--muted); margin: 0 0 22px !important; }

/* ---------- callouts ---------- */
.callout { display: flex; gap: 12px; padding: 14px 16px; border-radius: 14px; border: 1px solid var(--border); border-left: 4px solid var(--info); background: var(--info-soft); margin: 0 0 20px; }
.callout-icon { font-size: 18px; line-height: 1.5; flex: none; }
.callout > div { min-width: 0; }
.callout p:last-child, .callout ul:last-child { margin-bottom: 0; }
.callout-title { font-weight: 700; margin: 0 0 4px !important; color: var(--info); }
.callout-tip { border-left-color: var(--green); background: var(--green-soft); }
.callout-tip .callout-title { color: var(--green-ink); }
.callout-warning { border-left-color: var(--warn); background: var(--warn-soft); }
.callout-warning .callout-title { color: var(--warn); }
.callout-security { border-left-color: var(--sec); background: var(--sec-soft); }
.callout-security .callout-title { color: var(--sec); }
.callout-soon { border-left-color: var(--soon); background: var(--soon-soft); }
.callout-soon .callout-title { color: var(--soon); }

/* ---------- chat transcript ---------- */
.chat { margin: 0 0 22px; border-radius: 20px; border: 1px solid var(--border); background: var(--surface); box-shadow: var(--shadow-sm); overflow: hidden; max-width: 560px; -webkit-backdrop-filter: blur(18px); backdrop-filter: blur(18px); }
.chat figcaption { display: flex; align-items: center; gap: 10px; padding: 10px 14px; border-bottom: 1px solid var(--border); }
.chat figcaption small { display: block; color: var(--muted); font-size: 12px; line-height: 1.2; }
.chat figcaption strong { display: block; font-size: 14.5px; line-height: 1.3; }
.chat-avatar { width: 34px; height: 34px; border-radius: 50%; background: var(--green); color: #052e16; font-weight: 900; display: grid; place-items: center; flex: none; }
.chat-body { padding: 14px; display: flex; flex-direction: column; gap: 8px; }
.msg { display: flex; flex-direction: column; max-width: 88%; }
.msg-user { align-self: flex-end; align-items: flex-end; }
.msg-bot { align-self: flex-start; }
.bubble { padding: 8px 12px; border-radius: 16px; font-size: 14.5px; line-height: 1.45; overflow-wrap: anywhere; border: 1px solid var(--border); }
.msg-user .bubble { background: var(--bubble-user); border-bottom-right-radius: 5px; }
.msg-bot .bubble { background: var(--bubble-bot); border-bottom-left-radius: 5px; }
.bubble-kb { display: flex; flex-direction: column; gap: 4px; margin-top: 4px; width: 100%; }
.kb-row { display: flex; gap: 4px; }
.kb-btn { flex: 1; text-align: center; font-size: 13px; font-weight: 600; padding: 6px 8px; border-radius: 10px; background: var(--surface-hover); border: 1px solid var(--border); color: var(--green-ink); }

/* ---------- misc ---------- */
.faq { border: 1px solid var(--border); border-radius: 14px; background: var(--surface); margin: 0 0 10px; padding: 0 16px; }
.faq summary { cursor: pointer; padding: 14px 0; font-weight: 650; list-style: none; display: flex; justify-content: space-between; gap: 12px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--green-ink); font-size: 20px; line-height: 1; }
.faq[open] summary::after { content: "−"; }
.faq > div { padding-bottom: 6px; }
.type-block { margin-bottom: 8px; }
.changes li { margin: 8px 0; }
.pager { max-width: 800px; margin: 48px auto 0; display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.pager a { display: flex; flex-direction: column; gap: 2px; padding: 14px 16px; border-radius: 14px; border: 1px solid var(--border); background: var(--surface); text-decoration: none; color: var(--text); min-width: 0; }
.pager a:hover { border-color: var(--border-strong); }
.pager small { color: var(--muted); font-size: 12.5px; }
.pager span { font-weight: 650; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pager-next { text-align: right; grid-column: 2; }
.foot { max-width: 800px; margin: 40px auto 0; padding-top: 20px; border-top: 1px solid var(--border); display: flex; flex-wrap: wrap; gap: 12px 20px; justify-content: space-between; color: var(--muted); font-size: 14px; }
.foot nav { display: flex; flex-wrap: wrap; gap: 6px 16px; }
.foot a { color: var(--muted); text-decoration: none; }
.foot a:hover { color: var(--text); text-decoration: underline; }

/* ---------- responsive ---------- */
@media (max-width: 1240px) {
  .layout { grid-template-columns: 268px minmax(0, 1fr); }
  .toc { display: none; }
}
@media (max-width: 960px) {
  .layout { display: block; }
  .menu-btn { display: inline-grid; }
  .sidebar {
    position: fixed;
    z-index: 50;
    top: var(--topbar-h);
    left: 0;
    bottom: 0;
    height: auto;
    width: min(320px, 86vw);
    background: var(--surface-strong);
    -webkit-backdrop-filter: blur(24px);
    backdrop-filter: blur(24px);
    box-shadow: var(--shadow);
    transform: translateX(-105%);
    transition: transform 0.22s ease, visibility 0.22s;
    visibility: hidden;
  }
  body.nav-open .sidebar { transform: none; visibility: visible; }
  .scrim { display: block; position: fixed; inset: var(--topbar-h) 0 0 0; z-index: 45; background: rgba(0, 0, 0, 0.32); }
  .scrim[hidden] { display: none; }
  body.nav-open { overflow: hidden; }
  :root:not(.js) .sidebar { position: static; transform: none; visibility: visible; width: auto; box-shadow: none; height: auto; }
  :root:not(.js) .menu-btn { display: none; }
}
@media (max-width: 720px) {
  .content { padding-top: 20px; }
  .prose .lead { font-size: 17px; }
  .table-wrap { border: 0; background: none; overflow: visible; -webkit-backdrop-filter: none; backdrop-filter: none; }
  .table-wrap table, .table-wrap tbody, .table-wrap tr, .table-wrap td { display: block; width: 100%; }
  .table-wrap thead { display: none; }
  .table-wrap tr { border: 1px solid var(--border); border-radius: 14px; background: var(--surface); margin-bottom: 10px; padding: 6px 0; }
  .table-wrap td { border: 0; padding: 5px 14px; display: grid; grid-template-columns: 96px minmax(0, 1fr); gap: 10px; white-space: normal !important; }
  .table-wrap td::before { content: attr(data-label); font-size: 12px; font-weight: 700; color: var(--muted); text-transform: uppercase; letter-spacing: 0.3px; padding-top: 2px; overflow-wrap: anywhere; }
  .table-wrap td:empty { display: none; }
  .pager { grid-template-columns: 1fr; }
  .pager-next { grid-column: 1; }
}
@media (max-width: 560px) {
  .top-link { display: none; }
  .hide-xs { display: none; }
  .show-xs { display: inline; }
  .brand-name { display: none; }
  .steps > li { padding-left: 46px; }
  .msg { max-width: 94%; }
}
@media (max-width: 380px) {
  .topbar-in { gap: 6px; padding: 0 12px; }
  .show-xs { display: none; }
  .btn-sm { padding: 0 11px; }
  .brand-docs { padding: 3px 7px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; scroll-behavior: auto !important; }
}
@media print {
  .topbar, .sidebar, .toc, .pager, .copy, .tab-list { display: none !important; }
  .layout { display: block; }
  :root.js .tab-panel:not(.active) { display: block; }
}