:root {
  --bg: #fbfaf8;
  --surface: #ffffff;
  --surface-2: #f4f2ee;
  --text: #1b1916;
  --muted: #6b665e;
  --faint: #9a948a;
  --border: #e6e2da;
  --border-strong: #d4cfc5;
  --accent: #e8590c;
  --accent-text: #b4430a;
  --accent-soft: #fdede3;
  --on-accent: #ffffff;
  --code-bg: #f6f4f0;
  --danger: #b42318;
  --shadow: 0 1px 2px rgba(27, 25, 22, .04), 0 8px 24px -12px rgba(27, 25, 22, .12);
  --radius: 14px;
  --radius-sm: 9px;
  --font: "Geist", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "Geist Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f0e0c;
    --surface: #171513;
    --surface-2: #211e1b;
    --text: #f3f0ea;
    --muted: #a7a196;
    --faint: #777166;
    --border: #2d2925;
    --border-strong: #3d3833;
    --accent: #ff7a33;
    --accent-text: #ff9a62;
    --accent-soft: #2c1a10;
    --on-accent: #1a0d05;
    --code-bg: #1c1a17;
    --danger: #f97066;
    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 12px 32px -16px rgba(0, 0, 0, .6);
    color-scheme: dark;
  }
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 72px; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 var(--font);
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration-color: var(--border-strong); text-underline-offset: 3px; }
a:hover { color: var(--accent-text); text-decoration-color: currentColor; }

code, pre, kbd { font-family: var(--mono); font-size: .9em; }
:not(pre) > code {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: .05em .35em;
  overflow-wrap: anywhere;
}

h1, h2, h3 { line-height: 1.15; letter-spacing: -.02em; margin: 0; font-weight: 650; }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }

.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: -999px; top: 8px; z-index: 20; background: var(--surface); padding: 8px 12px; border-radius: 8px; }
.skip:focus { left: 16px; }

.wrap { width: 100%; max-width: 1120px; margin: 0 auto; padding: 0 16px; }
@media (min-width: 720px) { .wrap { padding: 0 32px; } }

/* ---------------------------------------------------------------- header */

.site-header {
  position: sticky; top: 0; z-index: 10;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: saturate(1.4) blur(12px);
  -webkit-backdrop-filter: saturate(1.4) blur(12px);
  border-bottom: 1px solid var(--border);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 60px; gap: 16px; }

.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 650; font-size: 18px; letter-spacing: -.02em; text-decoration: none; }
.brand:hover { color: inherit; }
.brand-mark { width: 26px; height: 26px; color: var(--accent); flex: none; }
.brand-dot { color: var(--muted); font-weight: 500; }

.site-nav { display: flex; gap: 4px; }
.site-nav a { text-decoration: none; color: var(--muted); font-size: 14.5px; font-weight: 500; padding: 6px 10px; border-radius: 8px; }
.site-nav a:hover { color: var(--text); background: var(--surface-2); }
@media (max-width: 560px) { .nav-wide { display: none; } .site-nav a { padding: 6px 8px; } }

/* ------------------------------------------------------------------ hero */

.hero { padding-top: 72px; padding-bottom: 36px; text-align: center; }
@media (max-width: 720px) { .hero { padding-top: 44px; padding-bottom: 24px; } }

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px; margin: 0 0 22px;
  font-size: 13.5px; font-weight: 500; color: var(--muted);
  border: 1px solid var(--border); background: var(--surface); border-radius: 999px; padding: 5px 14px 5px 12px;
}
.pulse { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); }

.hero h1 { font-size: clamp(2.25rem, 6vw, 4rem); letter-spacing: -.035em; font-weight: 700; }
.lede { max-width: 680px; margin: 20px auto 0; font-size: clamp(1.02rem, 1.6vw, 1.15rem); color: var(--muted); text-wrap: pretty; }

/* ------------------------------------------------------------- generator */

.gen {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.gen-row { padding: 14px 18px; border-bottom: 1px solid var(--border); }
@media (max-width: 560px) { .gen-row { padding: 12px 14px; } }

.ctl-label { display: block; font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: .06em; color: var(--faint); margin-bottom: 6px; }

.gen-fields { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.gen-fields .ctl-label { width: 100%; margin-bottom: 0; }
.chips { display: contents; list-style: none; }
.chip {
  display: inline-flex; align-items: center; gap: 2px;
  background: var(--surface-2); border: 1px solid var(--border); border-radius: 8px;
  padding: 3px 4px 3px 10px; font-size: 13.5px;
}
.chip code { background: none; border: 0; padding: 0; font-size: 13px; }
.chip.is-new { animation: pop .35s ease-out; }
@keyframes pop { from { background: var(--accent-soft); border-color: var(--accent); } }
.chip-x {
  border: 0; background: none; color: var(--faint); cursor: pointer;
  width: 22px; height: 22px; border-radius: 6px; font-size: 16px; line-height: 1;
}
.chip-x:hover { color: var(--text); background: var(--border); }

.add-field select {
  appearance: none; -webkit-appearance: none;
  font: 500 13.5px var(--font); color: var(--accent-text);
  background: var(--accent-soft); border: 1px dashed color-mix(in srgb, var(--accent) 45%, transparent);
  border-radius: 8px; padding: 5px 12px; cursor: pointer; max-width: 160px;
}

.gen-controls, .sql-opts { display: flex; flex-wrap: wrap; align-items: flex-end; gap: 14px 18px; }
.ctl { display: flex; flex-direction: column; }
.ctl input, .ctl select {
  font: 15px var(--font); color: var(--text);
  background: var(--bg); border: 1px solid var(--border-strong); border-radius: var(--radius-sm);
  height: 38px; padding: 0 10px; min-width: 0;
}
.ctl input[type="number"] { width: 96px; font-family: var(--mono); font-size: 14px; }
#seed { width: 120px; border-top-right-radius: 0; border-bottom-right-radius: 0; }
.ctl-locale select { width: 240px; max-width: 100%; }
#sql-table { width: 160px; font-family: var(--mono); font-size: 14px; }
.seed { display: flex; }
.icon-btn {
  display: grid; place-items: center; width: 40px; height: 38px; cursor: pointer;
  border: 1px solid var(--border-strong); border-left: 0; background: var(--surface-2); color: var(--muted);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.icon-btn:hover { color: var(--accent-text); }
.icon-btn svg { width: 20px; height: 20px; }
.icon-btn.spin svg { animation: roll .4s ease-out; }
@keyframes roll { to { transform: rotate(180deg); } }

.check { display: inline-flex; align-items: center; gap: 8px; height: 38px; font: 500 13px var(--mono); color: var(--muted); cursor: pointer; }
.check input { width: 16px; height: 16px; accent-color: var(--accent); }

.tabs { display: inline-flex; margin-left: auto; background: var(--surface-2); border: 1px solid var(--border); border-radius: 10px; padding: 3px; gap: 2px; }
.tabs button {
  font: 500 14px var(--font); color: var(--muted); background: none; border: 0;
  border-radius: 7px; padding: 6px 13px; cursor: pointer;
}
.tabs button:hover { color: var(--text); }
.tabs button[aria-selected="true"] { background: var(--surface); color: var(--text); box-shadow: 0 1px 2px rgba(0,0,0,.08), 0 0 0 1px var(--border); }
@media (max-width: 720px) { .tabs { margin-left: 0; width: 100%; } .tabs button { flex: 1; } }
@media (max-width: 560px) {
  .gen-controls { display: grid; grid-template-columns: 1fr 1fr; grid-auto-flow: dense; gap: 12px; }
  .ctl-locale, .gen-controls .tabs { grid-column: 1 / -1; }
  .ctl-locale select, .ctl input[type="number"], .seed, #seed { width: 100%; }
}

.out {
  position: relative; height: 420px; overflow: auto; background: var(--surface);
  border-bottom: 1px solid var(--border); transition: opacity .15s;
}
.out[aria-busy="true"] { opacity: .55; }
.out:focus-visible { outline-offset: -2px; }

.data { border-collapse: separate; border-spacing: 0; width: 100%; font: 13.5px/1.45 var(--mono); }
.data th, .data td { text-align: left; padding: 8px 14px; white-space: nowrap; max-width: 320px; overflow: hidden; text-overflow: ellipsis; border-bottom: 1px solid var(--border); }
.data th { position: sticky; top: 0; z-index: 1; background: var(--surface-2); font: 600 12px var(--font); color: var(--muted); letter-spacing: .02em; }
.data tbody tr:hover td { background: color-mix(in srgb, var(--accent-soft) 55%, transparent); }
.data td.num { text-align: right; font-variant-numeric: tabular-nums; }
.data .rownum { color: var(--faint); text-align: right; width: 1%; padding-right: 4px; user-select: none; }

.out pre { margin: 0; padding: 14px 18px; font: 13px/1.6 var(--mono); white-space: pre; tab-size: 2; color: var(--text); }
.out-error { padding: 24px 18px; color: var(--danger); font-size: 15px; }

.gen-foot { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; border-bottom: 0; background: var(--surface-2); }
.req {
  flex: 1 1 320px; min-width: 0; overflow-x: auto; white-space: nowrap;
  font: 12.5px var(--mono); color: var(--muted); padding: 6px 0; scrollbar-width: thin;
}
.req-verb { color: var(--accent-text); font-weight: 600; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; }

.btn {
  font: 500 14px var(--font); color: var(--text); cursor: pointer; white-space: nowrap;
  background: var(--surface); border: 1px solid var(--border-strong); border-radius: var(--radius-sm);
  height: 36px; padding: 0 14px;
}
.btn:hover { border-color: var(--faint); }
.btn-primary { background: var(--text); color: var(--bg); border-color: var(--text); }
.btn-primary:hover { background: color-mix(in srgb, var(--text) 86%, var(--accent)); border-color: transparent; }
.btn.done { color: var(--accent-text); border-color: var(--accent); }
.btn-primary.done { color: var(--bg); background: var(--accent-text); }

.gen-note { font-size: 13px; color: var(--faint); text-align: center; margin: 14px 0 0; }

/* ------------------------------------------------------------- sections */

.ways { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 88px; }
@media (max-width: 860px) { .ways { grid-template-columns: 1fr; margin-top: 56px; } }
.way { border-top: 2px solid var(--text); padding-top: 18px; }
.way h2 { font-size: 18px; margin-bottom: 8px; }
.way p { margin: 0; color: var(--muted); font-size: 15px; }

.split { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: 48px; margin-top: 112px; align-items: start; }
@media (max-width: 900px) { .split { grid-template-columns: minmax(0, 1fr); gap: 24px; margin-top: 72px; } }

.kicker { font: 600 12.5px var(--mono); text-transform: uppercase; letter-spacing: .1em; color: var(--accent-text); margin: 0 0 10px; }
.split h2, #fields h2 { font-size: clamp(1.7rem, 3.4vw, 2.3rem); margin-bottom: 14px; }
.split-text > p { color: var(--muted); margin: 0 0 18px; }
.fine { font-size: 14px; color: var(--faint) !important; }
.fine a { color: var(--muted); }

.params { margin: 8px 0 22px; border-top: 1px solid var(--border); }
.params > div { display: grid; grid-template-columns: 116px 1fr; gap: 12px; padding: 11px 0; border-bottom: 1px solid var(--border); font-size: 14.5px; }
.params dt { margin: 0; }
.params dt code { background: none; border: 0; padding: 0; font-weight: 500; }
.params dd { margin: 0; color: var(--muted); }
@media (max-width: 480px) { .params > div { grid-template-columns: 1fr; gap: 2px; } }

.split-code { display: grid; gap: 14px; min-width: 0; }
.code { background: var(--code-bg); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.code-head { display: flex; justify-content: space-between; align-items: center; padding: 8px 10px 8px 16px; border-bottom: 1px solid var(--border); font-size: 13px; font-weight: 500; color: var(--muted); min-height: 41px; }
.code-copy { font: 500 12.5px var(--font); color: var(--muted); background: none; border: 1px solid transparent; border-radius: 7px; padding: 3px 9px; cursor: pointer; }
.code-copy:hover { border-color: var(--border-strong); color: var(--text); }
.code-copy.done { color: var(--accent-text); }
.code pre { margin: 0; padding: 14px 16px; overflow-x: auto; font: 13px/1.65 var(--mono); }
.code pre code { font-size: inherit; }
.prose-pre { white-space: pre-wrap; }

.mcp-url { display: flex; align-items: center; gap: 8px; margin: 6px 0 22px; padding: 6px 6px 6px 16px; background: var(--surface); border: 1px solid var(--border-strong); border-radius: 12px; max-width: 440px; }
.mcp-url code { flex: 1; min-width: 0; background: none; border: 0; padding: 0; font-size: 15px; font-weight: 500; }
.tools { list-style: none; padding: 0; margin: 0 0 18px; }
.tools li { padding: 10px 0; border-top: 1px solid var(--border); color: var(--muted); font-size: 14.5px; }
.tools li code { color: var(--text); margin-right: 6px; }

#fields { margin-top: 112px; }
@media (max-width: 900px) { #fields { margin-top: 72px; } }
.section-lede { color: var(--muted); margin: 0 0 28px; max-width: 640px; }
.field-groups { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 320px), 1fr)); gap: 16px; }
.field-group { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 8px 8px; }
.field-group h3 { font-size: 14px; font-weight: 600; padding: 0 10px 8px; }
.field-group ul { list-style: none; margin: 0; padding: 0; }
.field-item {
  display: flex; align-items: baseline; gap: 12px; width: 100%; text-align: left; cursor: pointer;
  background: none; border: 0; border-radius: 8px; padding: 5px 10px; color: var(--text); font: inherit;
}
.field-item:hover { background: var(--surface-2); }
.field-item code { background: none; border: 0; padding: 0; font-size: 13px; flex: none; }
.field-item .ex { flex: 1; min-width: 0; font: 12.5px var(--mono); color: var(--faint); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; text-align: right; }
.field-item.added code { color: var(--accent-text); }

/* ----------------------------------------------------------------- prose */

.prose { max-width: 720px; padding-top: 64px; }
.prose h1 { font-size: clamp(2rem, 5vw, 2.8rem); margin-bottom: 24px; }
.prose h2 { font-size: 20px; margin: 36px 0 10px; }
.prose p, .prose li { color: var(--muted); }
.prose li { margin-bottom: 6px; }

/* ---------------------------------------------------------------- footer */

.site-footer { margin-top: 120px; border-top: 1px solid var(--border); }
.footer-inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px 24px; padding-top: 28px; padding-bottom: 40px; font-size: 14px; color: var(--muted); }
.footer-inner p { margin: 0; }
.footer-inner nav { display: flex; gap: 18px; flex-wrap: wrap; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}