:root {
  --bg: #f6f4ef;
  --surface: #ffffff;
  --surface-2: #efece4;
  --text: #1b1a17;
  --muted: #6b675e;
  --line: #ddd8cc;
  --accent: #1f6f4a;
  --accent-ink: #ffffff;
  --accent-soft: #e2f0e8;
  --warn: #8a5a00;
  --warn-soft: #fbf0d9;
  --bad: #a3271d;
  --bad-soft: #f9e3e0;
  --radius: 14px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121311;
    --surface: #1b1d1a;
    --surface-2: #232622;
    --text: #ecebe6;
    --muted: #a19e94;
    --line: #33362f;
    --accent: #5cc48f;
    --accent-ink: #0d1f15;
    --accent-soft: #1c3427;
    --warn: #e8b553;
    --warn-soft: #33290f;
    --bad: #f0857a;
    --bad-soft: #3a1d1a;
    color-scheme: dark;
  }
}

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); }
code, pre { font-family: var(--mono); font-size: 0.86em; }

.wrap { max-width: 760px; margin: 0 auto; padding: 0 16px; }

/* hero */
.hero { padding: 64px 0 32px; }
.eyebrow { font-family: var(--mono); font-size: 13px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent); margin: 0 0 8px; }
.hero h1 { font-size: clamp(36px, 7vw, 56px); line-height: 1.05; margin: 0 0 16px; letter-spacing: -0.02em; }
.lede { font-size: 19px; color: var(--muted); margin: 0 0 24px; max-width: 34em; }
.lede em { color: var(--text); font-style: normal; font-weight: 600; }
.promises { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.promises li { padding-left: 26px; position: relative; color: var(--muted); }
.promises li::before { content: "✓"; position: absolute; left: 0; color: var(--accent); font-weight: 700; }
.promises strong { color: var(--text); }

/* steps */
.step {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  margin: 16px 0;
  scroll-margin-top: 16px;
  transition: opacity .2s;
}
.step-head { display: flex; align-items: center; gap: 14px; padding: 18px 22px; }
.step-head h2 { font-size: 19px; margin: 0; flex: 1; }
.num {
  width: 30px; height: 30px; border-radius: 50%; flex: none;
  display: grid; place-items: center;
  background: var(--surface-2); color: var(--muted);
  font-weight: 700; font-size: 14px;
}
.step.active .num { background: var(--accent); color: var(--accent-ink); }
.done-mark { display: none; color: var(--accent); font-weight: 700; }
.step.done .done-mark { display: inline; }
.step.done .num { background: var(--accent-soft); color: var(--accent); }
.step-body { padding: 0 22px 22px 66px; }
.step-body > p:first-child { margin-top: 0; color: var(--muted); }
.step.locked { opacity: 0.5; }
.step.locked .step-body { display: none; }
.step.active { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }

@media (max-width: 560px) {
  .step-head { padding: 16px; }
  .step-body { padding: 0 16px 18px; }
}

/* providers */
.providers { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 10px; margin: 16px 0; }
.provider {
  font: inherit; text-align: left; cursor: pointer;
  background: var(--surface-2); color: var(--text);
  border: 2px solid transparent; border-radius: 12px; padding: 14px 16px;
  display: grid; gap: 2px;
}
.provider span { color: var(--muted); font-size: 14px; }
.provider:hover { border-color: var(--line); }
.provider[aria-checked="true"] { border-color: var(--accent); background: var(--accent-soft); }
.provider:disabled { cursor: default; }

.howto { padding-left: 20px; color: var(--muted); }
.howto li { margin: 4px 0; }

/* form */
.field { display: grid; gap: 6px; margin: 14px 0; }
.field > span { font-weight: 600; font-size: 14px; }
.field small { color: var(--muted); font-size: 13px; }
input, select, textarea {
  font: inherit; color: var(--text);
  background: var(--bg); border: 1px solid var(--line); border-radius: 10px;
  padding: 10px 12px; width: 100%;
}
textarea { font-family: var(--mono); font-size: 13px; resize: vertical; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: 1px; }

.devices { display: grid; gap: 8px; margin: 14px 0 8px; }
.device { display: flex; gap: 8px; }
.icon-btn {
  font: inherit; font-size: 20px; line-height: 1; width: 42px; flex: none;
  background: transparent; color: var(--muted);
  border: 1px solid var(--line); border-radius: 10px; cursor: pointer;
}
.icon-btn:hover { color: var(--bad); }

details { margin: 14px 0; }
summary { cursor: pointer; font-weight: 600; font-size: 14px; color: var(--muted); }
details[open] > summary { margin-bottom: 8px; }
pre {
  background: var(--surface-2); border-radius: 10px; padding: 14px;
  overflow-x: auto; white-space: pre; margin: 8px 0; max-height: 420px;
}

/* buttons */
.btn {
  font: inherit; font-weight: 600; cursor: pointer;
  background: var(--surface-2); color: var(--text);
  border: 1px solid var(--line); border-radius: 10px;
  padding: 10px 18px; margin-top: 6px;
}
.btn:hover:not(:disabled) { border-color: var(--muted); }
.btn.primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); padding: 12px 22px; font-size: 16px; }
.btn.primary:hover:not(:disabled) { filter: brightness(1.08); }
.btn.small { padding: 6px 12px; font-size: 14px; margin: 0; }
.btn.ghost { background: transparent; }
.btn:disabled { opacity: 0.55; cursor: not-allowed; }
.btn.loading::after {
  content: ""; display: inline-block; width: 12px; height: 12px; margin-left: 8px; vertical-align: -1px;
  border: 2px solid currentColor; border-right-color: transparent; border-radius: 50%;
  animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.danger-btn { color: var(--bad); }
.danger-btn:hover:not(:disabled) { border-color: var(--bad); }
.row { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-top: 10px; }
.row.tight { margin: 0; }

/* status + callouts */
.status { min-height: 1.4em; margin: 10px 0 0; font-size: 14px; color: var(--muted); }
.status.ok, .ok { color: var(--accent); }
.status.bad { color: var(--bad); }
.status.warn { color: var(--warn); }
.callout { border-radius: 10px; padding: 12px 14px; font-size: 15px; }
.callout.warn { background: var(--warn-soft); color: var(--text); }
.callout.warn strong { color: var(--warn); }
.callout.bad { background: var(--bad-soft); color: var(--bad); }
.price { font-family: var(--mono); font-size: 14px; color: var(--muted); }
.muted { color: var(--muted); font-size: 14px; }

/* existing servers */
#existing h3 { font-size: 15px; margin: 20px 0 8px; }
.servers { list-style: none; padding: 0; margin: 0; display: grid; gap: 6px; }
.servers li { display: flex; gap: 10px; align-items: center; justify-content: space-between; flex-wrap: wrap; background: var(--surface-2); border-radius: 10px; padding: 8px 12px; font-size: 14px; }
.servers li.gone { opacity: 0.5; text-decoration: line-through; }

/* keys */
.keys-out { margin-top: 14px; }
.keys-out table { width: 100%; border-collapse: collapse; font-size: 13px; }
.keys-out th { text-align: left; padding: 4px 12px 4px 0; color: var(--muted); font-weight: 600; white-space: nowrap; }
.keys-out td { padding: 4px 0; word-break: break-all; }

/* feature list + tips */
.features { margin: 0 0 14px; padding-left: 20px; color: var(--muted); font-size: 15px; }
.features li { margin: 6px 0; }
.features strong { color: var(--text); }
#own-area { margin-top: 18px; }
#own-area h3 { margin: 0 0 6px; font-size: 16px; }
.checklist { margin: 0 0 14px; padding-left: 20px; color: var(--muted); font-size: 15px; }
.checklist li { margin: 8px 0; }
.checklist strong, .own-steps strong { color: var(--text); }
.own-steps > li { margin: 0 0 14px; }
.own-steps pre { margin: 8px 0; }
.advanced .check { margin: 14px 0; }
.tips ul { margin: 0; padding-left: 20px; color: var(--muted); font-size: 15px; }
.tips li { margin: 6px 0; }
.tips strong, .tips em { color: var(--text); }

/* anonymous exit + billing */
.exit-box { background: var(--surface-2); border-radius: 12px; padding: 14px 16px; margin: 16px 0; }
.check { display: flex; gap: 12px; align-items: flex-start; cursor: pointer; }
.check input { width: 20px; height: 20px; margin: 2px 0 0; flex: none; accent-color: var(--accent); }
.badge { display: inline-block; font-size: 12px; font-weight: 600; color: var(--accent); background: var(--accent-soft); border-radius: 99px; padding: 1px 8px; margin-left: 4px; }
#exit-area textarea { margin-top: 4px; }
.billing { border: 1px solid var(--line); border-radius: 12px; padding: 4px 16px 14px; margin: 16px 0; }
.billing h3 { font-size: 16px; margin: 12px 0 0; }
.field.inline { margin: 10px 0 0; }
.invoice { display: flex; gap: 16px; flex-wrap: wrap; align-items: flex-start; margin-top: 14px; }
.invoice .qr { width: 200px; margin: 0; }
.invoice-text { flex: 1; min-width: 220px; }
.invoice-text p { margin: 0 0 8px; }
.wrap-any { word-break: break-all; }
a.btn { text-decoration: none; display: inline-block; }
.callout.tip { background: var(--accent-soft); color: var(--text); }

/* summary */
.summary { display: grid; grid-template-columns: max-content 1fr; gap: 6px 18px; margin: 14px 0; font-size: 15px; }
.summary dt { color: var(--muted); }
.summary dd { margin: 0; }

/* progress */
.progress { list-style: none; padding: 0; margin: 0 0 14px; display: grid; gap: 8px; }
.progress li { padding-left: 28px; position: relative; color: var(--muted); }
.progress li::before {
  content: ""; position: absolute; left: 4px; top: 6px; width: 12px; height: 12px;
  border-radius: 50%; border: 2px solid var(--line);
}
.progress li.doing { color: var(--text); font-weight: 600; }
.progress li.doing::before { border-color: var(--accent); border-right-color: transparent; animation: spin .8s linear infinite; }
.progress li.done { color: var(--text); }
.progress li.done::before { content: "✓"; border: 0; top: 0; left: 4px; width: auto; height: auto; color: var(--accent); font-weight: 700; }
.bar { height: 6px; background: var(--surface-2); border-radius: 99px; overflow: hidden; }
.bar-fill { height: 100%; width: 0; background: var(--accent); transition: width .8s ease; }

/* clients */
.clients { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 14px; margin: 16px 0; }
.client { background: var(--surface-2); border-radius: 12px; padding: 16px; }
.client h3 { margin: 0 0 10px; font-size: 16px; }
.qr { display: block; width: 100%; max-width: 260px; height: auto; border-radius: 8px; image-rendering: pixelated; margin: 0 auto; }
.client pre { font-size: 11px; background: var(--surface); }

.savebox { margin-top: 28px; padding-top: 18px; border-top: 1px solid var(--line); }
.savebox h3 { margin: 0 0 4px; font-size: 16px; }
.savebox > p { color: var(--muted); margin: 0 0 8px; }
.savebox .callout { color: var(--text); }
.manage { margin: 0 0 20px; }
.restore > summary { cursor: pointer; list-style: none; }
.restore > summary::-webkit-details-marker { display: none; }
.restore[open] { border-color: var(--accent); }
.danger { margin-top: 28px; padding-top: 18px; border-top: 1px solid var(--line); }
.danger h3 { margin: 0 0 4px; font-size: 16px; }
.danger p { color: var(--muted); margin: 0 0 8px; }

/* info */
.info { margin: 56px 0; }
.info h2 { font-size: 26px; letter-spacing: -0.01em; }
.info .grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 18px 28px; }
.info h3 { font-size: 16px; margin: 0 0 4px; }
.info p { color: var(--muted); margin: 0; }
.info pre + p { margin-top: 10px; }
#local > p { margin-bottom: 10px; }

.foot { color: var(--muted); font-size: 13px; padding-bottom: 48px; border-top: 1px solid var(--line); padding-top: 18px; }

/* terms page */
.fine { color: var(--muted); font-size: 13px; margin: 8px 0 0; }
.legal { max-width: 760px; padding-top: 32px; padding-bottom: 32px; }
.legal h1 { font-size: 32px; margin: 4px 0; }
.legal h2 { font-size: 19px; margin: 28px 0 6px; }
.legal p, .legal li { color: var(--text); }
.legal li { margin: 6px 0; }