:root {
  color-scheme: light;
  --bg: #f4f4f2;
  --surface: #ffffff;
  --surface-2: #eef0ef;
  --surface-3: #e5e8e6;
  --border: #e2e3df;
  --border-strong: #cfd2cc;
  --text: #16181a;
  --text-2: #55595f;
  --text-3: #8a8f96;
  --accent: #256fce;
  --accent-hover: #1d5cab;
  --accent-soft: #e3eefa;
  --accent-ring: rgba(37, 111, 206, .22);
  --bar: #9dbdea;
  --bar-muted: #cfddf0;
  --good: #1d7a3e;
  --good-bg: #e3f3e8;
  --bad: #b3261e;
  --bad-bg: #fbe7e5;
  --warn-bg: #fff3d6;
  --warn-text: #7a5300;
  --danger: #b3261e;
  --shadow-sm: 0 1px 2px rgba(18, 22, 26, .07);
  --shadow: 0 8px 28px rgba(18, 22, 26, .10);
  --shadow-lg: 0 18px 50px rgba(18, 22, 26, .16);
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  --radius: 12px;
  --radius-sm: 8px;
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #101214;
  --surface: #181b1e;
  --surface-2: #202428;
  --surface-3: #2a2f34;
  --border: #2b3035;
  --border-strong: #3a4148;
  --text: #f0f2f4;
  --text-2: #b3b9c0;
  --text-3: #7f868e;
  --accent: #5b9cf0;
  --accent-hover: #7ab1f5;
  --accent-soft: #1d2f45;
  --accent-ring: rgba(91, 156, 240, .3);
  --bar: #3f6396;
  --bar-muted: #2b3c52;
  --good: #6fce8f;
  --good-bg: rgba(111, 207, 143, .14);
  --bad: #f08a82;
  --bad-bg: rgba(240, 138, 130, .14);
  --warn-bg: #3a2f12;
  --warn-text: #f3cf73;
  --danger: #f08a82;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, .35);
  --shadow: 0 8px 28px rgba(0, 0, 0, .4);
  --shadow-lg: 0 18px 50px rgba(0, 0, 0, .5);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #101214;
    --surface: #181b1e;
    --surface-2: #202428;
    --surface-3: #2a2f34;
    --border: #2b3035;
    --border-strong: #3a4148;
    --text: #f0f2f4;
    --text-2: #b3b9c0;
    --text-3: #7f868e;
    --accent: #5b9cf0;
    --accent-hover: #7ab1f5;
    --accent-soft: #1d2f45;
    --accent-ring: rgba(91, 156, 240, .3);
    --bar: #3f6396;
    --bar-muted: #2b3c52;
    --good: #6fce8f;
    --good-bg: rgba(111, 207, 143, .14);
    --bad: #f08a82;
    --bad-bg: rgba(240, 138, 130, .14);
    --warn-bg: #3a2f12;
    --warn-text: #f3cf73;
    --danger: #f08a82;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, .35);
    --shadow: 0 8px 28px rgba(0, 0, 0, .4);
    --shadow-lg: 0 18px 50px rgba(0, 0, 0, .5);
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--bg); color: var(--text);
  font: 14px/1.55 var(--sans);
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
}
::selection { background: var(--accent-soft); }
a { color: var(--accent); text-decoration: none; text-underline-offset: 2px; }
a:hover { text-decoration: underline; }
h1 { font-size: 21px; margin: 0; font-weight: 700; letter-spacing: -0.015em; }
h2 { font-size: 15px; margin: 0 0 12px; font-weight: 650; letter-spacing: -0.005em; }
h3 { font-size: 13px; margin: 0 0 8px; font-weight: 650; color: var(--text-2); }
code, pre, .mono { font-family: var(--mono); font-size: 12.5px; }
pre { margin: 0; white-space: pre-wrap; word-break: break-all; line-height: 1.6; }
p { margin: 0 0 10px; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 6px; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

/* layout */
.topbar {
  display: flex; align-items: center; gap: 10px; padding: 0 16px; min-height: 56px;
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  -webkit-backdrop-filter: saturate(1.4) blur(10px); backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 5;
}
.brand { font-weight: 750; font-size: 16px; letter-spacing: -0.01em; color: var(--text); display: flex; align-items: center; gap: 8px; padding: 4px 6px; margin-left: -6px; border-radius: 8px; }
.brand:hover { text-decoration: none; background: var(--surface-2); }
.brand svg { display: block; }
.nav { display: flex; gap: 2px; overflow-x: auto; flex: 1; scrollbar-width: none; }
.nav::-webkit-scrollbar { display: none; }
.nav a { padding: 6px 9px; border-radius: 8px; color: var(--text-2); font-weight: 500; font-size: 13.5px; white-space: nowrap; border: 1px solid transparent; }
.nav a:hover { background: var(--surface-2); text-decoration: none; color: var(--text); }
.nav a.active { color: var(--accent); background: var(--accent-soft); border-color: color-mix(in srgb, var(--accent) 22%, transparent); font-weight: 650; }
.main { max-width: 1200px; margin: 0 auto; padding: 26px 22px 72px; }
.page-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 14px; margin-bottom: 22px; flex-wrap: wrap; }
.page-head .sub { color: var(--text-2); margin-top: 4px; font-size: 13.5px; }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.spacer { flex: 1; }
.grid { display: grid; gap: 16px; align-items: start; }
.tiles { grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); align-items: stretch; }
.detail { grid-template-columns: minmax(0, 1fr) minmax(0, 2fr); }
/* two-column masonry: cards of different heights pack without gaps */
.masonry { columns: 2; column-gap: 16px; }
.masonry > .card { break-inside: avoid; margin: 0 0 16px; }
.two { grid-template-columns: 1fr 1fr; }
.editor { grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); align-items: start; }
@media (max-width: 860px) {
  .two, .editor, .detail { grid-template-columns: 1fr; }
  .masonry { columns: 1; }
  .topbar { gap: 8px 10px; padding: 10px 14px 0; height: auto; flex-wrap: wrap; }
  .topbar .nav { order: 3; flex-basis: 100%; padding-bottom: 8px; }
  .topbar > .link { margin-left: auto; }
  .main { padding: 16px 14px 48px; }
  .sticky { position: static; }
}

.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 18px; box-shadow: var(--shadow-sm);
}
.card + .card { margin-top: 16px; }
.grid > .card, .grid > div > .card:first-child { margin-top: 0; }
.sticky { position: sticky; top: 72px; }
.muted { color: var(--text-2); }
.faint { color: var(--text-3); }
.small { font-size: 12.5px; }
.center { text-align: center; }
.empty { padding: 36px 18px; text-align: center; color: var(--text-2); }
.empty::before { content: "○"; display: block; font-size: 22px; color: var(--text-3); margin-bottom: 8px; }

/* site picker in topbar */
.topbar select {
  width: auto; max-width: 150px; font-weight: 600; font-size: 13.5px; border-radius: 8px;
  background: var(--surface-2); padding: 6px 8px;
}

/* forms */
label.field { display: block; margin-bottom: 14px; }
label.field > span:first-child, .field-label { display: block; font-weight: 600; font-size: 13px; margin-bottom: 5px; }
.hint { color: var(--text-3); font-size: 12.5px; margin-top: 5px; line-height: 1.55; }
.hint code { font-size: 11.5px; }
input[type=text], input[type=number], input[type=password], input:not([type]), select, textarea {
  width: 100%; padding: 8px 11px; border: 1px solid var(--border-strong); border-radius: var(--radius-sm);
  background: var(--surface); color: var(--text); font: inherit;
  transition: border-color .12s, box-shadow .12s;
}
input::placeholder, textarea::placeholder { color: var(--text-3); }
input:focus, select:focus, textarea:focus {
  outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-ring);
}
input:disabled { color: var(--text-3); background: var(--surface-2); }
.check { display: flex; gap: 9px; align-items: flex-start; margin: 7px 0; cursor: pointer; line-height: 1.5; }
.check input { margin-top: 3px; width: 15px; height: 15px; accent-color: var(--accent); flex: none; }
.checks { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 0 12px; }
fieldset { border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 16px 8px; margin: 0 0 16px; background: color-mix(in srgb, var(--surface-2) 45%, var(--surface)); }
legend { font-weight: 650; padding: 0 8px; font-size: 13px; }
.inline { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 600px) {
  .inline { grid-template-columns: 1fr; }
  .tiles { grid-template-columns: 1fr 1fr; gap: 10px; }
  .tile { padding: 13px; }
  .tile .value { font-size: 22px; }
}

button, .btn {
  transition: background-color .12s, border-color .12s, transform .08s, box-shadow .12s;
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 8px 15px; border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong); background: var(--surface); color: var(--text);
  font: inherit; font-weight: 550; cursor: pointer; white-space: nowrap; box-shadow: var(--shadow-sm);
}
button:hover, .btn:hover { background: var(--surface-2); border-color: var(--text-3); text-decoration: none; }
button:active, .btn:active { transform: translateY(1px); box-shadow: none; }
button.primary, .btn.primary {
  background: linear-gradient(180deg, var(--accent-hover), var(--accent));
  border-color: color-mix(in srgb, var(--accent) 65%, #000); color: #fff;
  box-shadow: 0 3px 12px var(--accent-ring);
}
button.primary:hover { filter: brightness(1.07); background: var(--accent-hover); border-color: var(--accent-hover); }
button.danger { color: var(--danger); }
button.danger:hover { background: var(--bad-bg); border-color: var(--danger); }
button.danger.solid { background: var(--danger); color: #fff; border-color: var(--danger); }
button.link { border: 0; background: none; padding: 2px 4px; color: var(--accent); font-weight: 500; box-shadow: none; }
button.link:hover { text-decoration: underline; }
button:disabled { opacity: .5; cursor: default; transform: none; }
button.small, .btn.small { padding: 4px 10px; font-size: 12.5px; border-radius: 7px; }
.btn-group { display: inline-flex; gap: 6px; flex-wrap: wrap; }
.seg {
  display: inline-flex; border: 1px solid var(--border-strong); border-radius: 10px; overflow: hidden;
  background: var(--surface-2); padding: 3px; gap: 2px; box-shadow: var(--shadow-sm);
}
.seg button { border: 0; border-radius: 7px; padding: 6px 13px; background: transparent; box-shadow: none; font-weight: 550; color: var(--text-2); }
.seg button + button { border-left: 0; }
.seg button:hover { color: var(--text); background: color-mix(in srgb, var(--surface) 70%, transparent); }
.seg button.on { background: var(--surface); color: var(--accent); font-weight: 700; box-shadow: var(--shadow-sm); border: 1px solid var(--border-strong); margin: -1px; padding: 6px 14px; }

/* messages */
.alert { padding: 11px 13px; border-radius: var(--radius-sm); margin-bottom: 14px; font-size: 13.5px; line-height: 1.5; border: 1px solid transparent; }
.alert.error { background: var(--bad-bg); color: var(--bad); border-color: color-mix(in srgb, var(--bad) 30%, transparent); }
.alert.warn { background: var(--warn-bg); color: var(--warn-text); border-color: color-mix(in srgb, var(--warn-text) 25%, transparent); }
.alert.ok { background: var(--good-bg); color: var(--good); border-color: color-mix(in srgb, var(--good) 30%, transparent); }
.badge { display: inline-flex; align-items: center; padding: 2px 8px; border-radius: 99px; font-size: 11.5px; font-weight: 650; letter-spacing: .01em; background: var(--surface-2); color: var(--text-2); border: 1px solid var(--border); }
.badge.accent { background: var(--accent-soft); color: var(--accent); border-color: color-mix(in srgb, var(--accent) 25%, transparent); }
.badge.warn { background: var(--warn-bg); color: var(--warn-text); border-color: color-mix(in srgb, var(--warn-text) 25%, transparent); }
.badge.good { background: var(--good-bg); color: var(--good); border-color: color-mix(in srgb, var(--good) 30%, transparent); }
.badge.bad { background: var(--bad-bg); color: var(--bad); border-color: color-mix(in srgb, var(--bad) 30%, transparent); }
.chip { display: inline-flex; align-items: center; gap: 5px; padding: 3px 9px; border-radius: 99px; background: var(--surface-2); border: 1px solid var(--border); font-size: 12.5px; margin: 0 5px 5px 0; }
.chip button { border: 0; padding: 0 3px; background: none; color: var(--text-3); box-shadow: none; font-size: 14px; line-height: 1; }
.chip button:hover { color: var(--danger); background: none; }
.chip.locked { color: var(--text-3); border-style: dashed; }
button.chip { border: 1px solid var(--border); cursor: pointer; font-family: var(--mono); font-size: 12px; }
button.chip:hover { background: var(--accent-soft); color: var(--accent); border-color: color-mix(in srgb, var(--accent) 35%, transparent); }

/* tables */
table { width: 100%; border-collapse: collapse; }
th {
  text-align: left; font-weight: 650; color: var(--text-2); font-size: 11.5px; text-transform: uppercase;
  letter-spacing: .06em; padding: 8px 10px; border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface-2) 55%, var(--surface));
}
td { padding: 10px; border-bottom: 1px solid var(--border); vertical-align: top; }
tbody tr:last-child td { border-bottom: 0; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
tr.clickable { cursor: pointer; }
tr.clickable:hover td { background: var(--accent-soft); }
.table-wrap { overflow-x: auto; border-radius: var(--radius-sm); }

/* stat tiles */
.tile { display: flex; flex-direction: column; color: inherit; transition: transform .13s, border-color .13s, box-shadow .13s; min-height: 148px; }
a.tile:hover { text-decoration: none; border-color: var(--accent); transform: translateY(-2px); box-shadow: var(--shadow); }
.tile .label { color: var(--text-2); font-weight: 600; font-size: 13px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tile .value { font-size: 29px; font-weight: 700; line-height: 1.15; margin: 7px 0 3px; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.delta { font-size: 12.5px; color: var(--text-2); display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.delta .up, .delta .down {
  display: inline-flex; align-items: center; gap: 3px; font-weight: 700; padding: 1px 7px; border-radius: 99px; font-size: 12px;
}
.delta .up { color: var(--good); background: var(--good-bg); }
.delta .down { color: var(--bad); background: var(--bad-bg); }
.spark { display: block; width: 100%; height: 44px; margin-top: auto; padding-top: 10px; }

/* charts */
.chart { position: relative; }
.chart svg { display: block; width: 100%; overflow: visible; }
.chart .axis { fill: var(--text-3); font-size: 11px; font-family: var(--sans); }
.chart .grid-line { stroke: var(--border); stroke-width: 1; stroke-dasharray: 3 4; opacity: .9; }
.chart .bar { fill: var(--accent); opacity: .92; transition: opacity .12s; }
.chart .bar.dim { fill: var(--bar-muted); opacity: 1; }
.chart .hit { fill: transparent; }
.tooltip {
  position: absolute; pointer-events: none; background: var(--text); color: var(--bg);
  padding: 6px 10px; border-radius: 8px; font-size: 12px; font-weight: 550; white-space: nowrap;
  transform: translate(-50%, -100%); margin-top: -10px; z-index: 3; box-shadow: var(--shadow);
}
.toplist { list-style: none; margin: 0; padding: 0; }
.toplist li {
  position: relative; display: flex; justify-content: space-between; align-items: center; gap: 12px;
  padding: 7px 9px; border-radius: 7px; transition: background .1s;
}
.toplist li:hover { background: var(--surface-2); }
.toplist li .fill { position: absolute; inset: 3px auto 3px 0; background: var(--accent-soft); border-radius: 6px; z-index: 0; min-width: 4px; border: 1px solid color-mix(in srgb, var(--accent) 14%, transparent); }
.toplist li > span { position: relative; z-index: 1; }
.toplist li .k { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-weight: 500; }
.toplist li .v { font-variant-numeric: tabular-nums; font-weight: 700; }

/* tester / events */
.event { border-bottom: 1px solid var(--border); }
.event:last-child { border-bottom: 0; }
.event-head { display: flex; gap: 9px; align-items: center; padding: 8px 9px; cursor: pointer; border-radius: 7px; }
.event-head:hover { background: var(--surface-2); }
.event-head .mono { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.event-body { padding: 11px 13px; margin: 0 0 8px; background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--radius-sm); }
.tester-results .event { border: 1px solid var(--border); border-radius: var(--radius-sm); margin-bottom: 8px; overflow: hidden; background: var(--surface); }
.tester-results .event-body { margin: 0; border-radius: 0; border: 0; border-top: 1px solid var(--border); }
.tester-results .event.matched { border-left: 3px solid var(--accent); }
.contrib { font-family: var(--mono); font-size: 12px; color: var(--text-2); }
.codebox { position: relative; background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 11px 13px; }
.codebox .copy { position: absolute; top: 6px; right: 6px; }
.codebox pre { max-height: 360px; overflow: auto; padding-right: 60px; }

/* modal */
.modal-bg {
  position: fixed; inset: 0; background: rgba(8, 10, 14, .5);
  -webkit-backdrop-filter: blur(3px); backdrop-filter: blur(3px);
  display: flex; align-items: flex-start; justify-content: center; padding: 9vh 16px; z-index: 20;
  animation: fadeIn .15s ease-out;
}
.modal {
  background: var(--surface); border: 1px solid var(--border-strong); border-radius: 16px;
  padding: 22px; width: 100%; max-width: 580px; max-height: 82vh; overflow: auto;
  box-shadow: var(--shadow-lg); animation: popIn .16s ease-out;
}
.modal h2 { margin-bottom: 12px; font-size: 17px; }
.modal .actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 18px; }
@keyframes fadeIn { from { opacity: 0; } }
@keyframes popIn { from { opacity: 0; transform: translateY(8px) scale(.985); } }

.login { max-width: 400px; margin: 13vh auto; padding: 0 16px; }
.login .card { padding: 24px; border-radius: 16px; box-shadow: var(--shadow); }
.login .tagline { text-align: center; color: var(--text-2); margin: -8px 0 20px; font-size: 14.5px; }
.login .brand { justify-content: center; font-size: 24px; margin-bottom: 20px; }
.login .brand:hover { background: none; }
details summary { cursor: pointer; color: var(--text-2); margin-bottom: 8px; font-weight: 550; }
details summary:hover { color: var(--text); }
.kv { display: grid; grid-template-columns: max-content 1fr; gap: 5px 16px; }
.kv dt { color: var(--text-2); }
.kv dd { margin: 0; }
.tester-results { max-height: calc(100vh - 220px); overflow: auto; }

.top-right { display: flex; align-items: center; gap: 3px; margin-left: auto; }
.top-right > a, .top-right > button.link { color: var(--text-2); padding: 7px 11px; border-radius: 8px; font-weight: 500; font-size: 13.5px; }
.top-right > a:hover, .top-right > button.link:hover { background: var(--surface-2); color: var(--text); text-decoration: none; }
.top-right > a.active { color: var(--accent); background: var(--accent-soft); font-weight: 650; }
.theme-btn {
  border: 1px solid transparent; background: none; color: var(--text-2); cursor: pointer; box-shadow: none;
  font-size: 15px; line-height: 1; padding: 7px 9px; border-radius: 8px;
}
.theme-btn:hover { color: var(--text); background: var(--surface-2); border-color: var(--border); }
.bell-wrap { position: relative; }
.bell { position: relative; border: 0; background: none; padding: 7px; color: var(--text-2); box-shadow: none; border-radius: 8px; }
.bell:hover { background: var(--surface-2); color: var(--text); border: 0; }
.bell .dot {
  position: absolute; top: 0; right: 0; background: var(--bad); color: #fff; border-radius: 99px;
  font-size: 10px; font-weight: 700; padding: 1px 6px; line-height: 16px; border: 2px solid var(--surface);
}
.bell-panel {
  position: absolute; right: 0; top: 40px; width: min(390px, 92vw); max-height: 70vh; overflow: auto;
  background: var(--surface); border: 1px solid var(--border-strong); border-radius: var(--radius);
  padding: 12px; box-shadow: var(--shadow-lg); z-index: 10;
}
.note { display: block; padding: 9px 10px; border-radius: var(--radius-sm); color: var(--text); border: 1px solid transparent; }
.note:hover { background: var(--surface-2); text-decoration: none; }
.note.unread { border-left: 3px solid var(--accent); background: var(--accent-soft); }

/* events audit */
.audit-filters { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr) 150px auto; gap: 12px; align-items: end; margin-bottom: 16px; }
.audit-filters label { display: block; }
.audit-actions { display: flex; gap: 8px; }
.audit-bar { padding: 10px 12px 8px; }
table.audit { font-size: 13px; }
table.audit td { padding: 8px 10px; vertical-align: middle; }
table.audit tr.open td { background: var(--surface-2); border-bottom-color: transparent; }
table.audit tr.detail-row td { padding: 0 10px 12px; background: var(--surface-2); }
table.audit tr.detail-row .event-body { margin: 0; background: var(--surface); }
.nowrap { white-space: nowrap; }
.ellipsis { max-width: 220px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
@media (max-width: 860px) { .audit-filters { grid-template-columns: 1fr 1fr; } }

/* tracking guide */
.guide { display: grid; grid-template-columns: 210px minmax(0, 1fr); gap: 16px; align-items: start; }
.guide-toc { position: sticky; top: 72px; padding: 10px; display: flex; flex-direction: column; gap: 1px; }
.guide-toc a { padding: 6px 9px; border-radius: 7px; color: var(--text-2); font-weight: 500; font-size: 13.5px; }
.guide-toc a:hover { background: var(--surface-2); color: var(--text); text-decoration: none; }
.guide-body { min-width: 0; display: grid; gap: 16px; }
.guide-body .card { margin: 0; }
.guide-body .card + .card { margin-top: 0; }
.guide-body section { scroll-margin-top: 72px; }
.guide-body h3 { color: var(--text); font-size: 13.5px; margin-top: 4px; }
.guide-body .codebox { margin: 9px 0 11px; }
ul.tight { margin: 0 0 10px; padding-left: 18px; line-height: 1.6; }
ul.tight li { margin-bottom: 6px; }
table.compact td, table.compact th { padding: 7px 10px; }
table.compact th { background: none; }
table.api-table td { padding: 11px; }
table.api-table td:first-child { color: var(--accent); width: 1%; font-weight: 600; }
@media (max-width: 860px) {
  .guide { grid-template-columns: 1fr; }
  .guide-toc { position: static; flex-direction: row; flex-wrap: wrap; gap: 4px; }
  table.api-table td:first-child { white-space: normal; }
}

/* loading shimmer for async regions */
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: .45; } }
.loading { animation: pulse 1.2s ease-in-out infinite; }

/* scrollbars */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 8px; border: 2px solid var(--bg); }
::-webkit-scrollbar-track { background: transparent; }