:root {
  --bg: #f5f4f1; --panel: #fdfdfc; --text: #1c1b1a; --muted: #6c6a66; --line: #e0ddd6;
  --accent: #7d3560; --accent-text: #ffffff; --danger: #c73e3e; --ok: #2b7a4b; --warn: #c27a1e;
  --code: #ecebe6; --str: #2f6b58; --radius: 6px;
  --serif: Charter, "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #131314; --panel: #1b1b1d; --text: #e6e4df; --muted: #97948d; --line: #2b2b2e; --accent: #d68bb0; --accent-text: #131314; --code: #0e0e10; --str: #8fc6a6; --ok: #3f9a63; }
}
* { box-sizing: border-box; }
body { margin: 0; font: 15px/1.5 system-ui, -apple-system, Segoe UI, Roboto, sans-serif; background: var(--bg); color: var(--text); }
a { color: var(--accent); text-decoration: none; } a:hover { text-decoration: underline; }
code, pre { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 13px; }
code { background: var(--code); padding: 1px 5px; border-radius: 4px; }
pre.code, .preview pre { background: var(--code); padding: 12px; border-radius: var(--radius); overflow-x: auto; white-space: pre-wrap; word-break: break-word; margin: 8px 0; }
header.top { display: flex; align-items: center; justify-content: space-between; padding: 10px 24px; background: var(--panel); border-bottom: 1px solid var(--line); }
header .brand { font-weight: 700; color: var(--text); font-size: 17px; }
header nav { display: flex; gap: 16px; align-items: center; }
header nav a { color: var(--muted); } header nav a.active { color: var(--text); font-weight: 600; }
.brandbox { display: flex; align-items: center; gap: 12px; }
details.switcher { position: relative; }
.switcher summary { list-style: none; cursor: pointer; color: var(--text); padding: 4px 10px; border: 1px solid var(--line); border-radius: 6px; font-size: 14px; font-weight: 500; background: var(--bg); user-select: none; }
.switcher summary::-webkit-details-marker { display: none; }
.switcher summary:hover, .switcher[open] summary { border-color: var(--muted); }
.switcher .caret { color: var(--muted); font-size: 12px; margin-left: 2px; }
.switcher .menu { position: absolute; top: calc(100% + 6px); left: 0; min-width: 240px; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: 0 8px 24px rgba(0, 0, 0, .15); padding: 6px; z-index: 50; }
.switcher .item { display: block; width: 100%; text-align: left; padding: 7px 10px; border: 0; background: none; color: var(--text); font: inherit; cursor: pointer; border-radius: 6px; }
.switcher .item:hover { background: var(--code); text-decoration: none; }
.switcher .item.current { font-weight: 600; cursor: default; }
.switcher .item.current::after { content: " ✓"; color: var(--accent); }
.switcher .item small { display: block; color: var(--muted); font-size: 12px; font-weight: 400; }
.switcher hr { border: 0; border-top: 1px solid var(--line); margin: 6px 0; }
.switcher form { margin: 0; }
main { max-width: 1180px; margin: 24px auto; padding: 0 24px; }
footer { text-align: center; color: var(--muted); font-size: 12px; padding: 24px; }
h1 { font-size: 24px; margin: 0 0 16px; } h2 { font-size: 16px; margin: 20px 0 10px; } h3 { font-size: 14px; margin: 16px 0 6px; color: var(--muted); }
h2:first-child { margin-top: 0; }
h3.field-label { color: var(--text); font-size: 14px; font-weight: 600; margin: 16px 0 6px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; margin-bottom: 20px; }
.card.narrow { max-width: 440px; margin: 40px auto; }
/* login / signup: heading and switch link above the card */
.auth { max-width: 440px; margin: 40px auto; }
.auth h1 { margin-bottom: 6px; }
.auth > p { margin: 0 0 14px; }
.auth .card { margin-bottom: 0; }
.card.empty { text-align: center; padding: 40px; }
.card.highlight { border-color: var(--accent); }
.tabs { display: flex; gap: 4px; margin: 0 0 -1px; padding: 0 8px; }
.tabs a { padding: 8px 14px; border: 1px solid transparent; border-bottom: 0; border-radius: var(--radius) var(--radius) 0 0; color: var(--muted); font-weight: 600; font-size: 14px; }
.tabs a:hover { text-decoration: none; color: var(--text); }
.tabs a.active { background: var(--panel); border-color: var(--line); color: var(--text); }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; align-items: start; }
@media (max-width: 900px) { .two-col { grid-template-columns: 1fr; } }
.grid2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.lang-switch .snippet { display: none; }
.lang-switch[data-lang="http"] .snippet[data-lang="http"] { display: block; }
.lang-switch[data-lang="curl"] .snippet[data-lang="curl"] { display: block; }
.lang-switch[data-lang="ruby"] .snippet[data-lang="ruby"] { display: block; }
.lang-switch[data-lang="python"] .snippet[data-lang="python"] { display: block; }
.lang-switch[data-lang="php"] .snippet[data-lang="php"] { display: block; }
.lang-switch[data-lang="js"] .snippet[data-lang="js"] { display: block; }
.lang-switch[data-lang="go"] .snippet[data-lang="go"] { display: block; }
.lang-switch:not([data-lang="http"]) [data-http-only] { display: none; }
.lang-pick { display: flex; align-items: center; gap: 8px; margin: 0; font-size: 13px; white-space: nowrap; } .lang-pick select { width: auto; margin: 0; }
pre.prewrap { white-space: pre-wrap; }
.hl-s { color: var(--str); } .hl-c { color: var(--muted); } .hl-k { font-weight: 600; }
.endpoint { margin: -6px 0 14px; font-size: 13px; } code.copy { cursor: pointer; } code.copy:hover { text-decoration: underline; }
.label-aside { float: right; font-weight: 400; font-size: 12px; }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; } .row.between { justify-content: space-between; }
.row form, .actions form { display: inline; }
label { display: block; margin: 10px 0; font-weight: 600; font-size: 14px; }
label small, p small { display: block; font-weight: 400; color: var(--muted); font-size: 12px; margin-top: 3px; }
label.check { font-weight: 500; } label.check input { margin-right: 6px; }
fieldset.choices { border: 1px solid var(--line); border-radius: var(--radius); padding: 6px 12px 10px; margin: 10px 0; }
fieldset.choices legend { font-weight: 600; font-size: 14px; padding: 0 4px; }
label.choice { font-weight: 500; margin: 8px 0; } label.choice input { margin-right: 6px; } label.choice code { margin-left: 4px; }
label.choice .muted { display: block; font-weight: 400; font-size: 13px; margin-left: 22px; }
input[type=text], input[type=email], input[type=password], input[type=number], input[type=datetime-local], select, textarea {
  width: 100%; padding: 8px 10px; border: 1px solid var(--line); border-radius: 6px; background: var(--bg); color: var(--text); font: inherit; margin-top: 4px;
}
textarea { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 13px; }
input[disabled] { opacity: .6; }
.btn { display: inline-block; padding: 8px 14px; border-radius: 6px; border: 1px solid var(--text); background: var(--text); color: var(--bg); font: inherit; font-weight: 600; cursor: pointer; }
.btn:hover { background: var(--accent); border-color: var(--accent); color: var(--accent-text); text-decoration: none; }
.btn.secondary { background: var(--panel); color: var(--text); border-color: var(--line); }
.btn.danger { background: var(--panel); color: var(--danger); border-color: var(--danger); }
.btn.small { padding: 4px 10px; font-size: 13px; }
.btn[disabled] { opacity: .5; cursor: not-allowed; }
button.link { background: none; border: 0; color: var(--muted); font: inherit; cursor: pointer; padding: 0; }
.muted { color: var(--muted); } .err { color: var(--danger); }
.flash { padding: 10px 14px; border-radius: 6px; margin-bottom: 16px; background: var(--code); border: 1px solid var(--line); }
.flash.success { border-color: var(--ok); } .flash.error { border-color: var(--danger); }
.flash ul { margin: 0; padding-left: 18px; }
table.list { width: 100%; border-collapse: separate; border-spacing: 0; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); }
table.list th, table.list td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
table.list tbody tr:last-child td { border-bottom: 0; }
table.list th { font-size: 12px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
table.list.compact th, table.list.compact td { padding: 6px 10px; font-size: 13px; }
table.list tr.deleted td { opacity: .55; } table.list tr.disabled td:first-child { opacity: .8; }
td.actions { white-space: nowrap; text-align: right; } td.actions > * { margin-left: 6px; }
.badge { display: inline-block; padding: 1px 8px; border-radius: 999px; font-size: 12px; background: var(--code); color: var(--muted); }
.badge.tier { background: var(--accent); color: var(--accent-text); }
.badge.kind-manage { background: var(--text); color: var(--bg); }
.badge.st-ok { background: var(--ok); color: #fff; }
.badge.st-empty { background: var(--muted); color: #fff; }
.badge.st-timeout, .badge.st-invalid_output, .badge.st-rate_limited, .badge.st-daily_limit { background: var(--warn); color: #fff; }
.badge.st-provider_error, .badge.st-not_found, .badge.st-unauthorized, .badge.st-bad_request, .badge.st-too_large { background: var(--danger); color: #fff; }
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 20px; }
.stat { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; }
.stat .n { display: block; font-size: 22px; font-weight: 700; } .stat .l { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }
.filters { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-bottom: 14px; }
.filters select, .filters input { width: auto; margin: 0; }
dl.kv { display: grid; grid-template-columns: 110px 1fr; gap: 6px 12px; margin: 0; }
dl.kv dt { color: var(--muted); font-size: 13px; } dl.kv dd { margin: 0; word-break: break-word; }
dl.kv.summary { grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px 20px; }
dl.kv.summary dt { font-size: 12px; text-transform: uppercase; letter-spacing: .04em; margin-bottom: 2px; }
.field-row { display: grid; grid-template-columns: 1.2fr 1fr 1.6fr 1fr auto; gap: 8px; align-items: end; padding: 8px 0; border-bottom: 1px dashed var(--line); }
.field-row label { margin: 0; font-size: 12px; } .field-row input, .field-row select { margin-top: 2px; }
.field-row .remove { color: var(--danger); background: none; border: 0; cursor: pointer; font-size: 18px; padding: 6px; }
details.preview { margin: 10px 0; } details.preview summary { cursor: pointer; color: var(--muted); font-size: 13px; }
.tierline { margin: 8px 0; }
.meta { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 8px; font-size: 13px; }
.meta span { background: var(--code); padding: 2px 8px; border-radius: 4px; }
.prose p, .prose li { max-width: 78ch; } .prose h2 { margin-top: 28px; }
.inline { display: inline; }
/* query editor: 70/30 layout, collapsible advanced card */
.edit-grid { display: grid; grid-template-columns: 7fr 3fr; gap: 20px; align-items: start; }
@media (max-width: 900px) { .edit-grid { grid-template-columns: 1fr; } }
.edit-side .row form { display: inline; }
.edit-side dl.kv { grid-template-columns: 80px 1fr; }
details.collapsible summary { cursor: pointer; list-style: none; display: flex; align-items: center; gap: 8px; }
details.collapsible summary::-webkit-details-marker { display: none; }
details.collapsible summary::before { content: "▸"; color: var(--muted); font-size: 12px; }
details.collapsible[open] summary::before { content: "▾"; }
details.collapsible summary h2 { margin: 0; }
details.collapsible[open] summary { margin-bottom: 6px; }
.form-actions { margin-bottom: 20px; }
/* query page: endpoint with status chips beside it; hover tooltips */
.endpoint-line { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.endpoint-line code#endpoint { font-size: 14px; padding: 4px 8px; }
.chips { display: inline-flex; align-items: center; gap: 6px; margin-left: auto; }
.chips.under { display: flex; margin: 4px 0 0; }
.chips.under .tip::after { left: 0; right: auto; }
.chips.under .badge.tier { line-height: 1.5; }
.chip { display: inline-block; padding: 1px 8px; border-radius: 999px; font-size: 12px; background: var(--code); color: var(--muted); border: 1px solid transparent; }
.chip.on { color: var(--ok); border-color: var(--ok); background: transparent; }
.chip.off { color: var(--muted); border-color: var(--line); background: transparent; text-decoration: line-through; }
.seg { display: inline-flex; border: 1px solid var(--line); border-radius: 999px; font-size: 12px; }
.seg span { padding: 1px 8px; color: var(--muted); }
.seg span:first-child { border-radius: 999px 0 0 999px; } .seg span:last-child { border-radius: 0 999px 999px 0; }
.seg span.on { background: var(--ok); color: #fff; }
.seg span.fail { background: var(--danger); color: #fff; }
.tip { position: relative; cursor: help; }
.tip::after { content: attr(data-tip); position: absolute; top: calc(100% + 6px); right: 0; z-index: 10; white-space: nowrap; background: var(--text); color: var(--bg); padding: 5px 9px; border-radius: 6px; font-size: 12px; font-weight: 400; text-decoration: none; opacity: 0; pointer-events: none; transition: opacity .1s; }
.tip:hover::after { opacity: 1; }
/* landing page: one narrow written column, set in the serif; colours come from the app tokens */
.landing { max-width: 680px; margin: 48px auto 32px; font-family: var(--serif); font-size: 17px; line-height: 1.55; }
.landing h1 { font-size: 40px; font-weight: 500; line-height: 1.12; letter-spacing: -.012em; margin: 0 0 22px; }
.landing .lead { font-size: 19px; line-height: 1.5; margin: 0 0 24px; }
.landing p { margin: 0 0 18px; }
.landing a { text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; }
.landing a:hover { text-decoration-thickness: 2px; }
.landing .cta { display: flex; align-items: baseline; gap: 18px; margin: 28px 0 44px; }
.landing .cta.end { margin: 36px 0 8px; }
.landing .btn { text-decoration: none; font-family: system-ui, sans-serif; font-size: 14px; padding: 9px 16px; }
.landing h2 { font-family: system-ui, -apple-system, sans-serif; font-size: 12px; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); margin: 44px 0 14px; display: flex; align-items: center; gap: 12px; }
.landing h2::after { content: ""; flex: 1; height: 1px; background: var(--line); }
.landing code { font-size: 14px; }
.landing .exchange { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin: 6px 0 28px; }
.landing .exchange .lbl { display: block; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); margin-bottom: 6px; }
.landing .exchange pre { margin: 0; background: var(--code); border: 1px solid var(--line); border-radius: 4px; padding: 12px 14px; font-size: 12.5px; line-height: 1.5; white-space: pre-wrap; word-break: break-word; min-height: 100%; }
.landing .timeline { margin: 8px 0 20px; }
.landing .timeline svg { width: 100%; height: auto; display: block; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 11px; }
.landing .timeline .axis { stroke: var(--text); stroke-width: 1.2; }
.landing .timeline .tick line { stroke: var(--text); stroke-width: 1; }
.landing .timeline .tick text { fill: var(--muted); text-anchor: middle; }
.landing .timeline .ok circle { fill: var(--accent); }
.landing .timeline .ok line { stroke: var(--accent); stroke-width: 1; }
.landing .timeline .ok text { fill: var(--text); text-anchor: middle; }
.landing .timeline .deadline line { stroke: var(--muted); stroke-width: 1; stroke-dasharray: 3 3; }
.landing .timeline .deadline text { fill: var(--text); text-anchor: end; }
.landing .timeline .sub { fill: var(--muted); }
.landing ul.features { padding-left: 0; margin: 0 0 18px; list-style: none; }
.landing ul.features li { position: relative; padding-left: 22px; margin-bottom: 14px; }
.landing ul.features li::before { content: "•"; position: absolute; left: 4px; top: 0; color: var(--accent); }
.landing ul.features b { font-weight: 600; }
.landing table.tiers { width: 100%; border-collapse: collapse; margin: 6px 0 18px; font-size: 15px; font-variant-numeric: tabular-nums; }
.landing table.tiers th { font-family: system-ui, sans-serif; font-size: 11px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); text-align: left; padding: 0 10px 8px 0; border-bottom: 1px solid var(--text); }
.landing table.tiers td { padding: 8px 10px 8px 0; border-bottom: 1px solid var(--line); }
.landing table.tiers td:first-child { font-weight: 600; }
.landing table.tiers td:last-child, .landing table.tiers th:last-child { text-align: right; padding-right: 0; }
@media (max-width: 640px) {
  .landing { font-size: 16px; margin-top: 28px; }
  .landing h1 { font-size: 30px; }
  .landing h1 br { display: none; }
  .landing .lead { font-size: 17px; }
  .landing .exchange { grid-template-columns: 1fr; }
  .landing .cta { flex-wrap: wrap; }
}