:root {
  --paper: #faf8f4;
  --card: #ffffff;
  --ink: #1f1d1a;
  --muted: #6b665e;
  --line: rgba(31, 29, 26, 0.14);
  --accent: #0f6b5c;
  --accent-ink: #ffffff;
  --danger: #b42318;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Noto Sans SC", sans-serif;
  --serif: ui-serif, Georgia, "Songti SC", "Noto Serif SC", serif;
}
* { box-sizing: border-box; }
html { background: var(--paper); color: var(--ink); font: 15px/1.6 var(--sans); }
body { margin: 0; min-height: 100vh; display: flex; flex-direction: column; }
a { color: inherit; }
.top { display: flex; align-items: center; justify-content: space-between; padding: 14px 28px; border-bottom: 1px solid var(--line); }
.brand { font-weight: 700; text-decoration: none; letter-spacing: 0.01em; }
.brand .mark { color: var(--accent); }
#nav { display: flex; align-items: center; gap: 14px; color: var(--muted); font-size: 14px; }
main { flex: 1; width: 100%; max-width: 880px; margin: 0 auto; padding: 36px 24px 64px; }
.foot { text-align: center; color: var(--muted); font-size: 12px; padding: 18px; border-top: 1px solid var(--line); }

h1 { font: 600 34px/1.2 var(--serif); margin: 0 0 10px; letter-spacing: -0.01em; }
h2 { font: 600 20px/1.3 var(--serif); margin: 0 0 12px; }
h3 { font-size: 15px; margin: 0 0 8px; }
.lede { color: var(--muted); font-size: 17px; max-width: 34em; margin: 0 0 28px; }
.muted { color: var(--muted); }
.small { font-size: 13px; }

.panel { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 22px; margin-bottom: 18px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 640px) { .grid2 { grid-template-columns: 1fr; } .top { padding: 12px 16px; } main { padding: 24px 16px 48px; } }

.hero { display: grid; grid-template-columns: 1.2fr 1fr; gap: 36px; align-items: start; }
@media (max-width: 800px) { .hero { grid-template-columns: 1fr; } }
.steps { list-style: none; padding: 0; margin: 0; counter-reset: s; }
.steps li { counter-increment: s; position: relative; padding-left: 34px; margin-bottom: 14px; }
.steps li::before { content: counter(s); position: absolute; left: 0; top: 1px; width: 22px; height: 22px; border-radius: 50%; background: var(--ink); color: #fff; font-size: 12px; display: grid; place-items: center; }
.steps code, .inline-code { font: 12.5px var(--mono); background: rgba(31, 29, 26, 0.06); padding: 0.1em 0.4em; border-radius: 4px; }

label { display: block; font-size: 13px; font-weight: 600; margin: 0 0 4px; }
.field { margin-bottom: 14px; }
.hint { font-size: 12.5px; color: var(--muted); margin-top: 4px; }
input[type="text"], input[type="email"], input[type="password"], input[type="number"], input[type="url"], select, textarea {
  width: 100%; font: inherit; color: var(--ink); background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px;
}
textarea { resize: vertical; min-height: 84px; font-family: var(--mono); font-size: 13px; }
textarea.prose { font-family: var(--sans); font-size: 14px; }
input[type="color"] { width: 44px; height: 36px; padding: 2px; border: 1px solid var(--line); border-radius: 8px; background: #fff; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: -1px; }

button, .btn { font: inherit; cursor: pointer; border-radius: 8px; padding: 8px 16px; border: 1px solid var(--line); background: #fff; color: var(--ink); text-decoration: none; display: inline-block; }
button:hover, .btn:hover { border-color: var(--ink); }
button.primary, .btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); font-weight: 600; }
button.primary:hover { filter: brightness(1.08); }
button.danger { color: var(--danger); }
button.link { border: 0; background: none; padding: 0; color: var(--muted); text-decoration: underline; }
button:disabled { opacity: 0.55; cursor: default; }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.row.end { justify-content: flex-end; }
.spread { justify-content: space-between; }

.tabs { display: flex; gap: 4px; margin-bottom: 18px; border-bottom: 1px solid var(--line); }
.tabs button { border: 0; border-bottom: 2px solid transparent; border-radius: 0; background: none; padding: 8px 14px; color: var(--muted); }
.tabs button[aria-selected="true"] { color: var(--ink); border-bottom-color: var(--accent); font-weight: 600; }

.msg { padding: 9px 12px; border-radius: 8px; font-size: 14px; margin-bottom: 14px; }
.msg.err { background: #fdecea; color: var(--danger); }
.msg.ok { background: #e7f4ef; color: var(--accent); }

.site-card { display: block; text-decoration: none; background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 16px 18px; margin-bottom: 10px; }
.site-card:hover { border-color: var(--ink); }
.site-card .name { font-weight: 600; font-size: 16px; }
.site-card .meta { color: var(--muted); font-size: 13px; }
.badge { font: 12px var(--mono); background: rgba(31, 29, 26, 0.06); padding: 2px 8px; border-radius: 999px; }

.snippet { position: relative; background: #1f1d1a; color: #f5f1e8; border-radius: 10px; padding: 16px 96px 16px 16px; font: 13px/1.6 var(--mono); word-break: break-all; }
.snippet button { position: absolute; top: 10px; right: 10px; padding: 4px 12px; font-size: 13px; background: #f5f1e8; }

.bars { display: flex; align-items: flex-end; gap: 6px; height: 72px; margin-top: 8px; }
.bars .bar { flex: 1; background: var(--accent); opacity: 0.85; border-radius: 3px 3px 0 0; min-height: 2px; position: relative; }
.bars .bar span { position: absolute; top: -18px; left: 0; right: 0; text-align: center; font-size: 11px; color: var(--muted); }
.bar-days { display: flex; gap: 6px; font-size: 11px; color: var(--muted); }
.bar-days span { flex: 1; text-align: center; }

.back { display: inline-block; margin-bottom: 14px; color: var(--muted); text-decoration: none; font-size: 14px; }
.back:hover { color: var(--ink); }

.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
@media (max-width: 760px) { .plans { grid-template-columns: 1fr; } }
.plan { border: 1px solid var(--line); border-radius: 12px; padding: 16px; display: flex; flex-direction: column; gap: 6px; background: #fff; }
.plan.current { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent) inset; }
.plan-name { font-weight: 700; font-size: 16px; }
.plan-price { font: 600 26px/1.2 var(--serif); }
.plan-feats { list-style: none; padding: 0; margin: 6px 0 12px; font-size: 14px; flex: 1; }
.plan-feats li { padding-left: 18px; position: relative; margin-bottom: 3px; }
.plan-feats li::before { content: "✓"; position: absolute; left: 0; color: var(--accent); }
.plan button { width: 100%; }