/* The site's whole look: system type, quiet cards, one accent. Light and dark
   follow the device. Nothing is loaded from anywhere else. */

:root {
  --bg: #f5f5f7;
  --card: #ffffff;
  --text: #1d1d1f;
  --muted: #6e6e73;
  --line: #e3e3e8;
  --field: #fbfbfd;
  --accent: #5b5bd6;
  --accent-strong: #4b4bc4;
  --accent-soft: #eeeefc;
  --green: #1c8a4a;
  --green-soft: #e4f5ea;
  --amber: #a15c07;
  --amber-soft: #fdf2dc;
  --red: #d2302c;
  --red-soft: #fdeaea;
  --radius: 18px;
  --radius-s: 11px;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.04), 0 10px 30px rgba(0, 0, 0, 0.05);
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", system-ui, Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d0d10;
    --card: #17171b;
    --text: #f4f4f6;
    --muted: #a0a0aa;
    --line: #2b2b33;
    --field: #111114;
    --accent: #8e8eff;
    --accent-strong: #a3a3ff;
    --accent-soft: #24243f;
    --green: #4ade80;
    --green-soft: #12301e;
    --amber: #fbbf24;
    --amber-soft: #33280d;
    --red: #f87171;
    --red-soft: #3a1616;
    --shadow: none;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font: 16px/1.5 var(--font);
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 30px; line-height: 1.15; letter-spacing: -0.022em; margin: 0 0 16px; }
h1.title { font-size: 24px; margin-bottom: 4px; word-break: break-all; }
h2 { font-size: 19px; line-height: 1.3; letter-spacing: -0.012em; margin: 0 0 12px; }
p { margin: 0 0 12px; }
code {
  font-family: var(--mono);
  font-size: 0.88em;
  background: var(--accent-soft);
  padding: 2px 7px;
  border-radius: 6px;
  word-break: break-all;
}
.muted { color: var(--muted); }
.small { font-size: 14px; }
.center { text-align: center; }
:focus-visible { outline: 3px solid color-mix(in srgb, var(--accent) 45%, transparent); outline-offset: 2px; border-radius: 6px; }

/* ------------------------------------------------------------ top bar */

.top {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px max(20px, env(safe-area-inset-right)) 12px max(20px, env(safe-area-inset-left));
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  -webkit-backdrop-filter: saturate(180%) blur(18px);
  backdrop-filter: saturate(180%) blur(18px);
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 650; font-size: 17px; color: var(--text); letter-spacing: -0.01em; }
.brand:hover { text-decoration: none; }
.top-nav { display: flex; align-items: center; gap: 4px; }
.top-nav > a, .top-nav button.ghost { padding: 7px 13px; border-radius: 999px; color: var(--text); font-size: 15px; font-weight: 500; }
.top-nav > a:hover { background: var(--accent-soft); text-decoration: none; }
.top-nav > a[aria-current="page"] { background: var(--accent-soft); color: var(--accent); }
.top-nav > a.button { color: #fff; margin-left: 4px; }
.top-nav form { margin: 0; }

main { flex: 1; width: 100%; margin: 0 auto; padding: 32px 20px 56px; }
.page { max-width: 760px; }
.page.wide { max-width: 1080px; }
.narrow { max-width: 440px; padding-top: 56px; }

/* -------------------------------------------------------------- cards */

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
  margin-bottom: 20px;
}
@media (prefers-color-scheme: light) { .card, .tile, .tabs { border-color: transparent; } }
.card > :last-child { margin-bottom: 0; }

/* ------------------------------------------------------------ buttons */

button, .button {
  appearance: none;
  border: 0;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font: inherit;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.2;
  padding: 12px 18px;
  border-radius: var(--radius-s);
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  white-space: nowrap;
  transition: background 0.15s, transform 0.06s, opacity 0.15s;
}
button:hover, .button:hover { background: var(--accent-strong); text-decoration: none; }
button:active, .button:active { transform: scale(0.98); }
button:disabled { opacity: 0.5; cursor: default; transform: none; }
button.secondary, .button.secondary { background: var(--accent-soft); color: var(--accent); }
button.secondary:hover, .button.secondary:hover { background: color-mix(in srgb, var(--accent-soft) 70%, var(--accent) 12%); }
button.ghost { background: transparent; color: var(--accent); padding: 7px 11px; }
button.ghost:hover { background: var(--accent-soft); }
button.danger { background: var(--red); color: #fff; }
button.ghost.danger { background: transparent; color: var(--red); }
button.ghost.danger:hover { background: var(--red-soft); }
button.small, .button.small { padding: 7px 13px; font-size: 14px; border-radius: 9px; }
button.wide, .button.wide { width: 100%; }
button img, .button img { opacity: 0.9; }
@media (prefers-color-scheme: dark) { button.secondary img, button.wide img { filter: invert(1); } }

/* -------------------------------------------------------------- forms */

label { display: flex; flex-direction: column; gap: 6px; font-weight: 550; font-size: 15px; }
input[type="email"], input[type="text"], input[type="password"], input[type="number"], input[type="search"], select, textarea {
  font: inherit;
  font-size: 16px;
  font-weight: 400;
  width: 100%;
  padding: 11px 13px;
  border-radius: var(--radius-s);
  border: 1px solid var(--line);
  background: var(--field);
  color: var(--text);
  transition: border-color 0.15s, box-shadow 0.15s;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 20%, transparent);
}
input[readonly] { color: var(--muted); }
textarea { resize: vertical; }
.stack { display: flex; flex-direction: column; gap: 14px; }
.inline-form { display: flex; flex-wrap: wrap; align-items: flex-end; gap: 10px; margin-top: 16px; }
.inline-form label { flex: 1; min-width: 200px; }
.grid-form { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 14px; align-items: end; }
.trap { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.error { color: var(--red); background: var(--red-soft); padding: 10px 13px; border-radius: var(--radius-s); font-size: 15px; }
.or { display: flex; align-items: center; gap: 12px; margin: 20px 0; color: var(--muted); font-size: 14px; }
.or::before, .or::after { content: ""; flex: 1; height: 1px; background: var(--line); }
.passkey-error { margin-top: 12px; }

.flash {
  width: calc(100% - 40px);
  max-width: 760px;
  margin: 18px auto 0;
  padding: 12px 16px;
  border-radius: var(--radius-s);
  background: var(--accent-soft);
  animation: in 0.25s ease-out;
}
@keyframes in { from { opacity: 0; transform: translateY(-4px); } }

/* --------------------------------------------------------------- home */

.hero { max-width: 1080px; }
.hero-text { max-width: 740px; margin: 28px auto 44px; text-align: center; }
.eyebrow { color: var(--accent); font-weight: 650; margin-bottom: 10px; }
.hero h1 { font-size: clamp(34px, 6vw, 56px); line-height: 1.07; letter-spacing: -0.035em; }
.lead { font-size: 19px; color: var(--muted); max-width: 640px; margin: 0 auto 12px; }
.actions { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 12px; margin-top: 26px; }
.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 20px; }
.feature h2 { font-size: 17px; }
.feature p { color: var(--muted); }
.how { max-width: 740px; margin: 12px auto 0; }

.steps { list-style: none; counter-reset: step; margin: 0; padding: 0; display: grid; gap: 18px; }
.steps li { counter-increment: step; display: grid; grid-template-columns: 34px 1fr; column-gap: 14px; }
.steps li::before {
  content: counter(step);
  grid-row: span 2;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 700;
  font-size: 15px;
}
.steps strong { display: block; font-weight: 600; }
.steps span { color: var(--muted); font-size: 15px; }

/* ------------------------------------------------------------ account */

.vault-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; margin-bottom: 8px; }
.setup { display: grid; grid-template-columns: 232px 1fr; align-items: center; gap: 28px; margin: 14px 0 20px; }
@media (max-width: 640px) { .setup { grid-template-columns: 1fr; justify-items: center; } }
.qr { width: 232px; height: 232px; display: block; border-radius: 14px; background: #fff; box-shadow: 0 0 0 1px var(--line); }
.copy-row { display: flex; gap: 10px; margin: 8px 0; }
.copy-row input { font-family: var(--mono); font-size: 13px; min-width: 0; }
.facts { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 18px; margin: 22px 0 10px; }
.facts div { min-width: 0; }
.facts dt { color: var(--muted); font-size: 14px; }
.facts dd { margin: 4px 0 0; font-weight: 600; display: flex; flex-direction: column; gap: 7px; }
progress { appearance: none; -webkit-appearance: none; width: 100%; height: 7px; border: 0; border-radius: 999px; background: var(--line); overflow: hidden; }
progress::-webkit-progress-bar { background: var(--line); border-radius: 999px; }
progress::-webkit-progress-value { background: var(--accent); border-radius: 999px; }
progress::-moz-progress-bar { background: var(--accent); border-radius: 999px; }
details.setup-link { margin: 10px 0 14px; }
details.setup-link summary { cursor: pointer; color: var(--accent); font-weight: 550; }

.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 13px;
  font-weight: 650;
  white-space: nowrap;
}
.badge.green { background: var(--green-soft); color: var(--green); }
.badge.amber { background: var(--amber-soft); color: var(--amber); }
.badge.red { background: var(--red-soft); color: var(--red); }
.count { display: inline-block; min-width: 24px; padding: 0 8px; border-radius: 999px; background: var(--accent-soft); color: var(--accent); font-size: 14px; text-align: center; vertical-align: 2px; }
.count.amber { background: var(--amber-soft); color: var(--amber); }

.list { list-style: none; margin: 0 0 14px; padding: 0; }
.list li { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 12px 0; border-top: 1px solid var(--line); }
.list li:first-child { border-top: 0; padding-top: 4px; }
.list li > a { font-weight: 550; overflow: hidden; text-overflow: ellipsis; }
.list li > .muted { margin-left: auto; text-align: right; }
.list form { margin: 0; }
.log li { align-items: flex-start; }

.danger-zone .row { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 14px 0; border-top: 1px solid var(--line); }
.danger-zone h2 + .row { border-top: 0; padding-top: 4px; }
.danger-zone .row p { margin: 2px 0 0; }
.danger-zone form { margin: 0; flex-shrink: 0; }
.confirm-delete { display: flex; gap: 8px; }
.confirm-delete input { width: 230px; }
@media (max-width: 640px) {
  .danger-zone .row { flex-direction: column; align-items: stretch; }
  .confirm-delete input { width: auto; flex: 1; min-width: 0; }
}

/* -------------------------------------------------------------- admin */

.tabs {
  display: flex;
  gap: 3px;
  width: fit-content;
  max-width: 100%;
  overflow-x: auto;
  margin-bottom: 24px;
  padding: 4px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 13px;
  box-shadow: var(--shadow);
}
.tabs a { padding: 8px 15px; border-radius: 10px; color: var(--muted); font-weight: 550; white-space: nowrap; }
.tabs a:hover { color: var(--text); text-decoration: none; }
.tabs a[aria-current="page"] { background: var(--accent); color: #fff; }

.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; margin-bottom: 20px; }
.tile { display: flex; flex-direction: column; gap: 3px; padding: 18px 20px; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.tile-label { color: var(--muted); font-size: 14px; }
.tile-value { font-size: 30px; font-weight: 700; letter-spacing: -0.025em; font-variant-numeric: tabular-nums; }
.tile-value.small { font-size: 21px; padding: 5px 0; }
.tile-note { color: var(--muted); font-size: 13px; }

.table { width: 100%; border-collapse: collapse; font-size: 15px; }
.table th { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); color: var(--muted); font-size: 13px; font-weight: 600; }
.table td { padding: 12px 10px; border-bottom: 1px solid var(--line); vertical-align: middle; }
.table tr:last-child td { border-bottom: 0; }
.table .num { text-align: right; font-variant-numeric: tabular-nums; }
.table td a { font-weight: 550; }
.table form { margin: 0; }
@media (max-width: 720px) {
  .table thead { display: none; }
  .table tr { display: flex; flex-wrap: wrap; gap: 4px 12px; padding: 12px 0; border-bottom: 1px solid var(--line); }
  .table td { padding: 0; border: 0; }
  .table td:first-child { width: 100%; }
  .table .num { text-align: left; }
}
.bar { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; margin-bottom: 16px; }
.search { display: flex; flex: 1; gap: 8px; min-width: 260px; }
.search input { max-width: 340px; }
.search select { width: auto; }
details.add summary { list-style: none; }
details.add summary::-webkit-details-marker { display: none; }
details.add[open] summary { display: none; }
details.add .inline-form { margin: 0; }
.pager { display: flex; justify-content: center; align-items: center; gap: 16px; margin-top: 16px; }

.segmented { display: inline-flex; flex-wrap: wrap; gap: 3px; margin: 10px 0 12px; padding: 3px; background: var(--field); border: 1px solid var(--line); border-radius: 12px; }
.segmented button { background: transparent; color: var(--text); font-weight: 550; padding: 8px 15px; border-radius: 9px; }
.segmented button:hover { background: var(--accent-soft); }
.segmented button.on { background: var(--card); color: var(--accent); box-shadow: 0 1px 3px rgba(0, 0, 0, 0.14); }

.chart { display: block; width: 100%; height: 120px; margin: 10px 0 14px; }
.chart rect { fill: var(--accent); opacity: 0.8; transition: opacity 0.15s; }
.chart rect:hover { opacity: 1; }

.choices { display: grid; gap: 10px; }
.choice { flex-direction: row; align-items: flex-start; gap: 12px; padding: 14px 16px; border: 1px solid var(--line); border-radius: 13px; font-weight: 400; cursor: pointer; transition: border-color 0.15s, background 0.15s; }
.choice:hover { border-color: color-mix(in srgb, var(--accent) 40%, var(--line)); }
.choice:has(input:checked) { border-color: var(--accent); background: var(--accent-soft); }
.choice:has(input:disabled) { opacity: 0.6; cursor: default; }
.choice input { margin: 4px 0 0; accent-color: var(--accent); }
.choice > span { display: flex; flex-direction: column; gap: 2px; }
.save-bar { position: sticky; bottom: 16px; display: flex; justify-content: flex-end; }
.save-bar button { box-shadow: 0 6px 20px color-mix(in srgb, var(--accent) 35%, transparent); }
.notice { background: var(--amber-soft); border-color: transparent; }
.highlight { outline: 2px solid var(--accent); outline-offset: -2px; }
.big-icon { display: block; margin: 4px auto 14px; }
.prose h2 { margin-top: 30px; }
.prose ul { padding-left: 22px; }
.prose li { margin-bottom: 6px; }

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

.foot {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  padding: 20px max(20px, env(safe-area-inset-left));
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}
.foot nav { display: flex; gap: 18px; }
.foot a { color: var(--muted); }

.chart-box { margin: 10px 0 14px; }
.chart-box .chart { margin: 0 0 6px; }
.chart-box figcaption { display: flex; justify-content: space-between; }

.trial { font-weight: 400; }
.row.trust { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-top: 16px; padding-top: 14px; border-top: 1px solid var(--line); }
.row.trust p { margin: 2px 0 0; }
.row.trust form { margin: 0; flex-shrink: 0; }