:root {
  --primary: #2563eb;
  --ink: #0f172a;
  --muted: #64748b;
  --line: #e2e8f0;
  --bg: #f8fafc;
  --ok: #16a34a;
  --bad: #dc2626;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--ink);
  background: var(--bg);
}
* { box-sizing: border-box; }
body { margin: 0; }
a { color: var(--primary); }
header.top { display: flex; align-items: center; justify-content: space-between; padding: 16px 24px; background: #fff; border-bottom: 1px solid var(--line); }
header.top .logo { font-weight: 700; font-size: 20px; color: var(--ink); text-decoration: none; }
main { max-width: 960px; margin: 32px auto; padding: 0 24px; }
.card { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 24px; }
.narrow { max-width: 420px; margin: 48px auto; }
h1 { font-size: 28px; margin: 0 0 8px; }
h2 { font-size: 20px; margin: 0 0 16px; }
p.muted, .muted { color: var(--muted); }
label { display: block; font-size: 14px; font-weight: 600; margin: 16px 0 6px; }
input, select { width: 100%; padding: 10px 12px; border: 1px solid var(--line); border-radius: 8px; font-size: 15px; }
button, .button { display: inline-block; margin-top: 20px; padding: 10px 18px; border: 0; border-radius: 8px; background: var(--primary); color: #fff; font-size: 15px; font-weight: 600; cursor: pointer; text-decoration: none; }
button.secondary { background: #fff; color: var(--ink); border: 1px solid var(--line); }
button:disabled { opacity: 0.6; cursor: default; }
.error { color: var(--bad); font-size: 14px; min-height: 20px; margin-top: 12px; }
.plans { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin-top: 24px; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--line); font-size: 14px; }
.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--muted); margin-right: 6px; }
.dot.on { background: var(--ok); }
code.big { display: block; font-size: 22px; letter-spacing: 2px; padding: 12px; background: var(--bg); border-radius: 8px; margin: 8px 0; word-break: break-all; }
main.wide { max-width: 1200px; }
main .card + .card, main .banner + .card { margin-top: 16px; }
.medium { max-width: 560px; margin: 48px auto; }
header.top nav { display: flex; gap: 16px; align-items: center; font-size: 14px; }
header.top nav a { text-decoration: none; }
textarea { width: 100%; padding: 10px 12px; border: 1px solid var(--line); border-radius: 8px; font: inherit; }
button.small { padding: 6px 12px; font-size: 13px; margin: 0; }
button.no-margin, .actions button { margin: 0; }
button.danger { background: var(--bad); }
button.link { background: none; color: var(--primary); padding: 0; margin: 0; font-weight: 500; }
button.link:disabled { color: var(--muted); }
.actions { display: flex; gap: 8px; flex-wrap: wrap; }
.actions button { padding: 6px 12px; font-size: 13px; }
.row { display: flex; gap: 12px; align-items: center; }
.row.between { justify-content: space-between; }
.center { text-align: center; }
.small { font-size: 13px; }
.ts { margin-top: 16px; }
.dev { background: #fef9c3; padding: 8px; border-radius: 6px; }
.switch { margin-top: 20px; }
a.button.google { display: block; text-align: center; background: #fff; color: var(--ink); border: 1px solid var(--line); margin-top: 16px; }
.or { display: flex; align-items: center; gap: 12px; color: var(--muted); font-size: 13px; margin: 20px 0 0; }
.or::before, .or::after { content: ""; flex: 1; height: 1px; background: var(--line); }
.choice { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 12px; }
label.option { display: flex; flex-direction: column; gap: 4px; border: 1px solid var(--line); border-radius: 10px; padding: 14px; font-weight: 400; cursor: pointer; margin: 0; }
label.option input { width: auto; align-self: flex-start; }
label.option:has(input:checked), label.option.on { border-color: var(--primary); box-shadow: 0 0 0 1px var(--primary); }
.plan-list { display: grid; gap: 10px; }
label.option.plan .price { font-size: 18px; font-weight: 700; }
.toggle { display: inline-flex; border: 1px solid var(--line); border-radius: 999px; padding: 3px; background: var(--bg); }
.toggle button { margin: 0; background: transparent; color: var(--ink); padding: 6px 14px; border-radius: 999px; font-size: 13px; }
.toggle button.on { background: #fff; box-shadow: 0 1px 2px rgba(15, 23, 42, 0.15); }
.save { color: var(--ok); font-weight: 600; }
.plan-card { border: 1px solid var(--line); border-radius: 12px; padding: 20px; display: flex; flex-direction: column; }
.plan-card.current { border-color: var(--primary); }
.plan-card h3 { margin: 0 0 6px; }
.plan-card .price { font-size: 26px; font-weight: 700; }
.plan-card ul { padding-left: 18px; font-size: 14px; flex: 1; }
.banner { border-radius: 10px; padding: 14px 18px; font-size: 14px; background: #eff6ff; border: 1px solid #bfdbfe; }
.banner.warn { background: #fffbeb; border-color: #fde68a; }
.banner.bad { background: #fef2f2; border-color: #fecaca; }
.badge { display: inline-block; font-size: 11px; font-weight: 600; padding: 2px 8px; border-radius: 999px; background: var(--bg); border: 1px solid var(--line); }
.badge.warn { background: #fffbeb; border-color: #fde68a; }
.badge.bad { background: #fef2f2; border-color: #fecaca; color: var(--bad); }
ol.steps { margin: 0; padding-left: 20px; line-height: 2; }
ol.steps li.done { color: var(--muted); text-decoration: line-through; }
.viewer { position: fixed; inset: 0; background: #000; display: flex; align-items: center; justify-content: center; }
.viewer video { max-width: 100%; max-height: 100%; outline: none; cursor: none; }
.viewer .bar { position: fixed; top: 8px; left: 50%; transform: translateX(-50%); background: rgba(15, 23, 42, 0.85); color: #fff; padding: 6px 12px; border-radius: 8px; font-size: 13px; display: flex; gap: 12px; align-items: center; }
.viewer .bar button { margin: 0; padding: 4px 10px; font-size: 13px; }