/* AI Pool design system: shared by the marketing site and the app. */
:root {
  color-scheme: light;
  --page: #f7f7f5;
  --surface: #ffffff;
  --surface-2: #f2f1ee;
  --surface-3: #e9e8e3;
  --ink: #111110;
  --ink-2: #52514e;
  --muted: #86857f;
  --grid: #e5e4de;
  --axis: #c3c2b7;
  --border: rgba(17, 17, 16, 0.1);
  --border-strong: rgba(17, 17, 16, 0.18);
  --accent: #2a63d6;
  --accent-ink: #ffffff;
  --accent-soft: #e8effc;
  --series-claude: #2a78d6;
  --series-codex: #eb6834;
  --series-other: #1baf7a;
  --meter: #2a78d6;
  --good: #0a7a0a;
  --good-mark: #0ca30c;
  --warning: #b77900;
  --warning-mark: #fab219;
  --critical: #c42f2f;
  --critical-mark: #d03b3b;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.04), 0 4px 16px rgba(0, 0, 0, 0.04);
  --font: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --mono: ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) {
    color-scheme: dark;
    --page: #0e0e0d;
    --surface: #181817;
    --surface-2: #212120;
    --surface-3: #2a2a28;
    --ink: #f0efec;
    --ink-2: #c3c2b7;
    --muted: #8f8e88;
    --grid: #2c2c2a;
    --axis: #3a3a37;
    --border: rgba(255, 255, 255, 0.09);
    --border-strong: rgba(255, 255, 255, 0.16);
    --accent: #4f8ae8;
    --accent-soft: #1d2a40;
    --series-claude: #3987e5;
    --series-codex: #d95926;
    --series-other: #199e70;
    --meter: #3987e5;
    --good: #2fbf2f;
    --warning: #e3a21a;
    --critical: #ef6a6a;
    --shadow: none;
  }
}
:root[data-theme='dark'] {
  color-scheme: dark;
  --page: #0e0e0d;
  --surface: #181817;
  --surface-2: #212120;
  --surface-3: #2a2a28;
  --ink: #f0efec;
  --ink-2: #c3c2b7;
  --muted: #8f8e88;
  --grid: #2c2c2a;
  --axis: #3a3a37;
  --border: rgba(255, 255, 255, 0.09);
  --border-strong: rgba(255, 255, 255, 0.16);
  --accent: #4f8ae8;
  --accent-soft: #1d2a40;
  --series-claude: #3987e5;
  --series-codex: #d95926;
  --series-other: #199e70;
  --meter: #3987e5;
  --good: #2fbf2f;
  --warning: #e3a21a;
  --critical: #ef6a6a;
  --shadow: none;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body { background: var(--page); color: var(--ink); font: 14px/1.5 var(--font); -webkit-font-smoothing: antialiased; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
button, input, select, textarea { font: inherit; color: inherit; }
code, pre, .mono { font-family: var(--mono); font-size: 12.5px; }
h1, h2, h3 { letter-spacing: -0.01em; }
.num { font-variant-numeric: tabular-nums; text-align: right; white-space: nowrap; }
.muted { color: var(--muted); }
.ink2 { color: var(--ink-2); }
.small { font-size: 12.5px; }
.hidden { display: none !important; }
.nowrap { white-space: nowrap; }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.spacer { flex: 1; }
.stack > * + * { margin-top: 12px; }

/* buttons & inputs */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  border: 1px solid var(--border-strong); background: var(--surface); color: var(--ink);
  border-radius: var(--radius-sm); padding: 7px 14px; cursor: pointer; white-space: nowrap; line-height: 1.3;
  text-decoration: none !important;
}
.btn:hover { background: var(--surface-2); }
.btn:disabled { opacity: 0.55; cursor: default; }
.btn.primary { background: var(--accent); color: var(--accent-ink); border-color: transparent; }
.btn.primary:hover { filter: brightness(1.07); }
.btn.ghost { border-color: transparent; background: transparent; }
.btn.ghost:hover { background: var(--surface-2); }
.btn.danger { color: var(--critical); }
.btn.sm { padding: 4px 10px; font-size: 12.5px; }
.btn.lg { padding: 11px 20px; font-size: 15px; border-radius: 10px; }
input[type='text'], input[type='email'], input[type='password'], input[type='number'], input[type='url'], select, textarea {
  border: 1px solid var(--border-strong); background: var(--surface); border-radius: var(--radius-sm);
  padding: 7px 10px; min-width: 0;
}
input:focus-visible, select:focus-visible, textarea:focus-visible, button:focus-visible, a:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
label.field { display: block; margin: 12px 0 0; }
label.field > span { display: block; font-size: 12.5px; color: var(--ink-2); margin-bottom: 4px; font-weight: 500; }
label.field input, label.field select, label.field textarea { width: 100%; }
.hint { font-size: 12px; color: var(--muted); margin-top: 4px; }
.seg { display: inline-flex; border: 1px solid var(--border-strong); border-radius: var(--radius-sm); overflow: hidden; background: var(--surface); }
.seg button { border: 0; background: transparent; padding: 5px 11px; cursor: pointer; color: var(--ink-2); }
.seg button + button { border-left: 1px solid var(--border); }
.seg button[aria-pressed='true'] { background: var(--surface-2); color: var(--ink); font-weight: 600; }
.choice { display: grid; gap: 8px; }
.choice label { display: flex; gap: 10px; align-items: flex-start; border: 1px solid var(--border-strong); border-radius: var(--radius-sm); padding: 10px 12px; cursor: pointer; }
.choice label:has(input:checked) { border-color: var(--accent); background: var(--accent-soft); }
.choice input { margin-top: 3px; }

/* cards */
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px 20px; box-shadow: var(--shadow); min-width: 0; }
.card > h2, .card-title { font-size: 15px; margin: 0 0 2px; font-weight: 650; }
.card > .sub { color: var(--muted); font-size: 12.5px; margin: 0 0 14px; }
.grid2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.grid3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.notice { border: 1px solid var(--border); border-left: 3px solid var(--warning-mark); background: var(--surface); border-radius: var(--radius-sm); padding: 10px 14px; font-size: 13px; }
.notice.err { border-left-color: var(--critical-mark); }
.notice.ok { border-left-color: var(--good-mark); }
.notice.info { border-left-color: var(--accent); }
.empty { text-align: center; padding: 32px 12px; color: var(--muted); }
.pill { display: inline-flex; align-items: center; gap: 5px; font-size: 12px; padding: 1px 8px; border-radius: 999px; border: 1px solid var(--border-strong); white-space: nowrap; color: var(--ink-2); background: var(--surface); }
.pill .dot { width: 7px; height: 7px; border-radius: 50%; }
.tag { display: inline-block; font-size: 11px; font-weight: 600; letter-spacing: 0.02em; padding: 1px 7px; border-radius: 5px; background: var(--surface-2); color: var(--ink-2); }
.prov { display: inline-flex; align-items: center; gap: 6px; white-space: nowrap; }
.prov .sw { width: 9px; height: 9px; border-radius: 3px; flex: none; }
pre.code { background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 10px 12px; overflow-x: auto; white-space: pre; margin: 6px 0; position: relative; }
pre.code .copy { position: absolute; top: 6px; right: 6px; }
.keybox { display: flex; gap: 8px; align-items: center; background: var(--surface-2); border: 1px dashed var(--border-strong); border-radius: var(--radius-sm); padding: 10px 12px; font-family: var(--mono); font-size: 13px; word-break: break-all; }

/* tables */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 9px 10px; border-bottom: 1px solid var(--grid); text-align: left; vertical-align: middle; }
th { font-weight: 600; color: var(--ink-2); font-size: 12px; white-space: nowrap; }
tr:last-child td { border-bottom: 0; }
td .bar { height: 6px; border-radius: 3px; background: var(--meter); min-width: 2px; }
td.barcell { width: 16%; min-width: 80px; }
.meter { height: 8px; border-radius: 4px; background: var(--surface-3); overflow: hidden; }
.meter > i { display: block; height: 100%; border-radius: 4px; background: var(--meter); }

/* KPI */
.hero-kpi { display: grid; grid-template-columns: minmax(260px, 1.2fr) 2fr; gap: 16px; }
.hero-kpi .headline .label { color: var(--ink-2); }
.hero-kpi .headline .value { font-size: 48px; font-weight: 700; letter-spacing: -0.02em; line-height: 1.1; margin: 6px 0; }
.hero-kpi .headline .value.neg { color: var(--critical); }
.tiles { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.tile { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 16px; min-width: 0; box-shadow: var(--shadow); }
.tile .label { color: var(--ink-2); font-size: 12.5px; }
.tile .value { font-size: 24px; font-weight: 650; margin-top: 2px; }
.tile .foot { color: var(--muted); font-size: 12px; margin-top: 2px; }

/* chart */
.legend { display: flex; gap: 16px; flex-wrap: wrap; font-size: 12.5px; color: var(--ink-2); margin-bottom: 8px; }
.legend .sw { display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: 6px; vertical-align: -1px; }
.chart-wrap { position: relative; }
svg.chart { display: block; width: 100%; height: 240px; overflow: visible; }
svg.chart .grid line { stroke: var(--grid); }
svg.chart .baseline { stroke: var(--axis); }
svg.chart text { fill: var(--muted); font-size: 11px; font-variant-numeric: tabular-nums; }
svg.chart rect.hit { fill: transparent; }
svg.chart g.col:hover rect.hit { fill: var(--ink); opacity: 0.04; }
.tooltip { position: absolute; pointer-events: none; background: var(--surface); border: 1px solid var(--border-strong); border-radius: 8px; padding: 8px 10px; font-size: 12.5px; box-shadow: 0 6px 20px rgba(0,0,0,.14); min-width: 170px; z-index: 3; }
.tooltip .r { display: flex; justify-content: space-between; gap: 14px; }

/* dialogs */
dialog { border: 1px solid var(--border-strong); border-radius: 14px; background: var(--surface); color: var(--ink); padding: 22px 24px; width: min(560px, calc(100vw - 32px)); box-shadow: 0 20px 60px rgba(0,0,0,.25); }
dialog::backdrop { background: rgba(0, 0, 0, 0.4); }
dialog h3 { margin: 0 0 6px; font-size: 17px; }
dialog .actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 18px; flex-wrap: wrap; }
ol.steps { padding-left: 20px; margin: 10px 0; }
ol.steps li { margin: 8px 0; }

/* ---------- marketing ---------- */
.site-nav { position: sticky; top: 0; z-index: 10; background: color-mix(in srgb, var(--page) 85%, transparent); backdrop-filter: blur(8px); border-bottom: 1px solid var(--border); }
.site-nav .inner { max-width: 1120px; margin: 0 auto; padding: 12px 24px; display: flex; align-items: center; gap: 22px; }
.logo { display: inline-flex; align-items: center; gap: 8px; font-weight: 700; font-size: 16px; color: var(--ink) !important; text-decoration: none !important; }
.logo .mark { width: 24px; height: 24px; border-radius: 7px; background: linear-gradient(135deg, var(--series-claude), var(--series-codex)); display: inline-block; position: relative; }
.logo .mark::after { content: ''; position: absolute; inset: 6px; border-radius: 50%; border: 2px solid #fff; }
.site-nav a.nav { color: var(--ink-2); }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
section.band { padding: 72px 0; }
section.band.alt { background: var(--surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.eyebrow { font-size: 12.5px; font-weight: 650; color: var(--accent); text-transform: uppercase; letter-spacing: 0.06em; }
.display { font-size: clamp(34px, 5.5vw, 58px); line-height: 1.04; font-weight: 750; letter-spacing: -0.03em; margin: 12px 0 18px; }
.lede { font-size: 18px; color: var(--ink-2); max-width: 640px; }
h2.section { font-size: clamp(26px, 3.4vw, 36px); line-height: 1.12; letter-spacing: -0.02em; margin: 8px 0 12px; }
.hero { display: grid; grid-template-columns: 1.1fr 1fr; gap: 48px; align-items: center; padding: 64px 0 56px; }
.terminal { background: #111110; color: #e8e7e3; border-radius: 14px; padding: 16px 18px; font-family: var(--mono); font-size: 13px; line-height: 1.7; box-shadow: 0 30px 60px rgba(0,0,0,.18); border: 1px solid rgba(255,255,255,.08); }
.terminal .dots { display: flex; gap: 6px; margin-bottom: 10px; }
.terminal .dots i { width: 10px; height: 10px; border-radius: 50%; background: #3a3a37; display: block; }
.terminal .c { color: #8f8e88; }
.terminal .g { color: #6fd36f; }
.terminal .b { color: #7eb2f5; }
.logos { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 22px; }
.logos span { font-size: 12.5px; color: var(--ink-2); border: 1px solid var(--border-strong); border-radius: 999px; padding: 3px 11px; background: var(--surface); }
.steps3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; margin-top: 28px; }
.step-card .n { width: 28px; height: 28px; border-radius: 8px; background: var(--accent-soft); color: var(--accent); font-weight: 700; display: grid; place-items: center; margin-bottom: 10px; }
.step-card h3 { margin: 0 0 6px; font-size: 16px; }
.feature-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin-top: 28px; }
.feature-grid .card h3 { margin: 0 0 6px; font-size: 15px; }
.feature-grid .card p { margin: 0; color: var(--ink-2); font-size: 13.5px; }
.builder { display: grid; grid-template-columns: 1.2fr 1fr; gap: 20px; margin-top: 28px; }
.stepper-row { display: flex; align-items: center; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--grid); }
.stepper-row:last-child { border-bottom: 0; }
.stepper-row .name { flex: 1; }
.stepper { display: inline-flex; align-items: center; border: 1px solid var(--border-strong); border-radius: 8px; overflow: hidden; }
.stepper button { border: 0; background: var(--surface); width: 32px; height: 30px; cursor: pointer; font-size: 16px; }
.stepper button:hover { background: var(--surface-2); }
.stepper output { min-width: 34px; text-align: center; font-variant-numeric: tabular-nums; font-weight: 600; }
.big-number { font-size: 40px; font-weight: 750; letter-spacing: -0.02em; }
details.faq { border-bottom: 1px solid var(--grid); padding: 14px 0; }
details.faq summary { cursor: pointer; font-weight: 600; font-size: 15px; list-style: none; }
details.faq summary::after { content: '+'; float: right; color: var(--muted); }
details.faq[open] summary::after { content: '–'; }
details.faq p { color: var(--ink-2); margin: 8px 0 0; }
footer.site { border-top: 1px solid var(--border); padding: 28px 0 40px; color: var(--muted); font-size: 13px; }
.price-card { max-width: 440px; }
.price { font-size: 52px; font-weight: 750; letter-spacing: -0.03em; }
ul.checks { list-style: none; padding: 0; margin: 14px 0; }
ul.checks li { padding: 5px 0 5px 24px; position: relative; }
ul.checks li::before { content: '✓'; position: absolute; left: 0; color: var(--good-mark); font-weight: 700; }

/* auth */
.auth-shell { min-height: 100vh; display: grid; place-items: center; padding: 24px 16px; }
.auth-card { width: min(420px, 100%); }
.auth-card h1 { font-size: 24px; margin: 18px 0 4px; }

/* ---------- app shell ---------- */
.shell { display: grid; grid-template-columns: 232px minmax(0, 1fr); min-height: 100vh; }
.sidebar { border-right: 1px solid var(--border); background: var(--surface); padding: 14px 12px; display: flex; flex-direction: column; gap: 4px; position: sticky; top: 0; height: 100vh; overflow-y: auto; }
.sidebar .logo { padding: 4px 8px 12px; }
.ws-switch { width: 100%; margin-bottom: 8px; }
.sidebar a.nav { display: flex; align-items: center; gap: 10px; padding: 7px 10px; border-radius: 8px; color: var(--ink-2); text-decoration: none; }
.sidebar a.nav:hover { background: var(--surface-2); }
.sidebar a.nav.active { background: var(--surface-2); color: var(--ink); font-weight: 600; }
.sidebar .sect { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; padding: 12px 10px 4px; }
.sidebar .me { margin-top: auto; border-top: 1px solid var(--border); padding: 12px 6px 0; font-size: 13px; }
.main { min-width: 0; }
.topbar { display: flex; align-items: center; gap: 12px; padding: 14px 28px; border-bottom: 1px solid var(--border); background: var(--surface); position: sticky; top: 0; z-index: 4; flex-wrap: wrap; }
.topbar h1 { font-size: 17px; margin: 0; }
.content { padding: 22px 28px 64px; max-width: 1240px; }
.content > * + * { margin-top: 16px; }
.checklist { display: grid; gap: 8px; }
.check-item { display: flex; gap: 12px; align-items: center; padding: 10px 12px; border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--surface); }
.check-item .tick { width: 22px; height: 22px; border-radius: 50%; border: 2px solid var(--border-strong); display: grid; place-items: center; flex: none; font-size: 12px; font-weight: 700; color: var(--muted); }
.check-item.done .tick { background: var(--good-mark); border-color: var(--good-mark); color: #fff; }
.check-item.done .what { color: var(--muted); text-decoration: line-through; }
.check-item .what { flex: 1; }
.banner { padding: 9px 28px; font-size: 13px; border-bottom: 1px solid var(--border); background: var(--accent-soft); color: var(--ink); display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.banner.err { background: color-mix(in srgb, var(--critical-mark) 14%, var(--surface)); }
.mobile-nav { display: none; }

@media (max-width: 980px) {
  .hero, .builder { grid-template-columns: 1fr; }
  .hero-kpi { grid-template-columns: 1fr; }
  .feature-grid, .steps3, .grid3 { grid-template-columns: 1fr 1fr; }
  .grid2 { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .shell { grid-template-columns: 1fr; }
  .sidebar { display: none; }
  .mobile-nav { display: flex; gap: 6px; overflow-x: auto; padding: 8px 16px; border-bottom: 1px solid var(--border); background: var(--surface); }
  .mobile-nav a { white-space: nowrap; padding: 5px 10px; border-radius: 7px; color: var(--ink-2); }
  .mobile-nav a.active { background: var(--surface-2); color: var(--ink); font-weight: 600; }
  .topbar, .content, .banner { padding-left: 16px; padding-right: 16px; }
  .tiles { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .feature-grid, .steps3, .grid3 { grid-template-columns: 1fr; }
  .site-nav .inner { padding: 12px 16px; gap: 14px; }
  .site-nav a.nav.hide-sm { display: none; }
  .wrap { padding: 0 16px; }
  .hero-kpi .headline .value { font-size: 38px; }
}
td select { max-width: 190px; }