@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600&family=Space+Grotesk:wght@600;700&display=swap');

:root {
  --emerald-600: #087A5B;
  --emerald-700: #06624A;
  --mint-100: #DDF5EC;
  --amber-500: #F5A524;
  --ink: #0E1A2B;
  --ink-muted: #4A5568;
  --surface: #FFFFFF;
  --surface-alt: #F5F7F9;
  --border: #D9DEE5;
  --on-primary: #FFFFFF;
  --danger: #C2382B;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --display: "Space Grotesk", system-ui, sans-serif;
  --sans: "Inter", system-ui, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --emerald-600: #34D399;
    --emerald-700: #6EE7B7;
    --mint-100: #1E4D3F;
    --ink: #EEF2F6;
    --ink-muted: #A7B0BE;
    --surface: #0B1220;
    --surface-alt: #131C2C;
    --border: #263247;
    --on-primary: #062018;
    --danger: #F2786C;
  }
  .logo-light { display: none; }
  .logo-dark { display: inline; }
}
@media (prefers-color-scheme: light) {
  .logo-dark { display: none; }
}

* { box-sizing: border-box; }
html, body { margin: 0; background: var(--surface); color: var(--ink); font: 16px/24px var(--sans); }
[hidden] { display: none !important; }
a { color: var(--emerald-600); }
h1, h2, h3 { font-family: var(--display); margin: 0 0 8px; }
h1 { font-size: 40px; line-height: 44px; }
h2 { font-size: 28px; line-height: 34px; }
h3 { font-size: 20px; line-height: 28px; }
p { margin: 0 0 16px; }
.muted { color: var(--ink-muted); }
.small { font-size: 14px; line-height: 20px; }

.topbar { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 16px 32px; border-bottom: 1px solid var(--border); }
.topbar img { height: 36px; width: auto; }
.wrap { max-width: 960px; margin: 0 auto; padding: 32px 16px 64px; }
.narrow { max-width: 420px; }

.card { background: var(--surface-alt); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 24px; margin-bottom: 24px; }
.row { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.stack > * + * { margin-top: 16px; }

label { display: block; font-size: 13px; line-height: 16px; font-weight: 600; margin-bottom: 4px; }
input { width: 100%; padding: 10px 12px; font: inherit; color: var(--ink); background: var(--surface); border: 1px solid var(--ink-muted); border-radius: var(--radius-sm); }
input:focus-visible, button:focus-visible, a:focus-visible { outline: 3px solid var(--amber-500); outline-offset: 2px; }

button, .button { display: inline-block; font: 600 15px/20px var(--sans); padding: 10px 18px; border-radius: var(--radius-md); border: 1px solid transparent; cursor: pointer; text-decoration: none; }
.primary { background: var(--emerald-600); color: var(--on-primary); }
.primary:hover { background: var(--emerald-700); }
.secondary { background: var(--surface); color: var(--ink); border-color: var(--border); }
.danger { background: var(--surface); color: var(--danger); border-color: var(--danger); }
button:disabled { opacity: .6; cursor: progress; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
select { padding: 8px 10px; font: inherit; color: var(--ink); background: var(--surface); border: 1px solid var(--ink-muted); border-radius: var(--radius-sm); }
.table-wrap { overflow-x: auto; }
td input, td select { width: auto; padding: 6px 8px; font-size: 14px; }
.google { display: flex; align-items: center; justify-content: center; gap: 10px; width: 100%; }
.divider { text-align: center; margin: 0; }

.tabs { display: flex; gap: 8px; margin-bottom: 16px; }
.tabs button[aria-selected="true"] { background: var(--mint-100); color: var(--ink); }

.msg { padding: 10px 12px; border-radius: var(--radius-sm); font-size: 14px; line-height: 20px; }
.msg.error { background: var(--surface); border: 1px solid var(--danger); color: var(--danger); }
.msg.ok { background: var(--mint-100); color: var(--ink); }

.qr { background: #FFFFFF; padding: 8px; border-radius: var(--radius-md); width: 200px; height: 200px; }
code, .secret { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 14px; word-break: break-all; }
.secret { display: block; padding: 12px; background: var(--surface); border: 1px dashed var(--emerald-600); border-radius: var(--radius-sm); }

table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 8px; border-bottom: 1px solid var(--border); }
.badge { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: 12px; font-weight: 600; background: var(--mint-100); color: var(--ink); }
.badge.live { background: var(--amber-500); color: #0E1A2B; }
.badge.off { background: var(--surface); border: 1px solid var(--border); color: var(--ink-muted); }

/* landing */
.hero { padding: 48px 0 24px; }
.plans { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; }
.plan .price { font-family: var(--display); font-size: 32px; line-height: 40px; }
.plan.featured { border: 2px solid var(--emerald-600); }