/* Concept B · Clean light SaaS — live platform chrome */
:root {
  --blue: #2F6BFF;
  --blue-dark: #1F55E0;
  --blue-soft: #E8EFFF;
  --ink: #0F172A;
  --steel: #475569;
  --muted: #64748B;
  --border: #E2E8F0;
  --surface: #F1F5F9;
  --page: #F8FAFC;
  --card: #fff;
  --green: #16A34A;
  --amber: #D97706;
  --danger: #ef4444;
  --warn: #f59e0b;
  --accent: var(--blue);
  --accent2: var(--green);
  --radius: 14px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--page);
  color: var(--ink);
  min-height: 100vh;
}
a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: 1040px; margin: 0 auto; padding: 32px 20px 56px; }
.top {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 24px; border-bottom: 1px solid var(--border);
  background: #fff; position: sticky; top: 0; z-index: 20;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.05rem; color: var(--ink); text-decoration: none; }
.brand:hover { text-decoration: none; }
.brand .mark {
  width: 32px; height: 32px; border-radius: 8px; background: var(--blue); color: #fff;
  display: grid; place-items: center; font-size: .75rem; font-weight: 800;
}
.navlinks { display: flex; gap: 16px; align-items: center; font-size: .9rem; }
.navlinks a { color: var(--steel); font-weight: 500; }
.navlinks a.active { color: var(--blue); }
.card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 24px;
  box-shadow: 0 1px 2px rgba(15,23,42,.04);
}
h1 { margin: 0 0 8px; font-size: 1.65rem; letter-spacing: -.02em; }
h2 { margin: 0 0 10px; font-size: 1.05rem; }
.muted { color: var(--muted); font-size: .95rem; line-height: 1.5; }
.tagline { color: var(--steel); font-size: .9rem; margin: 0 0 20px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border: 0; border-radius: 10px; padding: 12px 18px;
  background: var(--blue); color: #fff; font-weight: 600; cursor: pointer;
  font-size: .95rem; transition: background .15s; text-decoration: none;
}
.btn:hover { background: var(--blue-dark); text-decoration: none; }
.btn.secondary, .btn.ghost { background: #fff; border: 1px solid var(--border); color: var(--ink); }
.btn.secondary:hover, .btn.ghost:hover { background: var(--surface); }
.btn.outline { background: transparent; border: 1px solid var(--blue); color: var(--blue); width: auto; }
.btn.danger { background: var(--danger); }
.btn.block { width: 100%; }
.badge {
  display: inline-block; padding: 4px 10px; border-radius: 999px;
  font-size: .8rem; font-weight: 600; background: var(--surface); color: var(--steel);
}
.badge.active { background: #DCFCE7; color: #166534; }
.badge.warn { background: #FEF3C7; color: #92400E; }
.badge.none { background: rgba(148,163,184,.15); color: var(--muted); }
.grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); margin-top: 16px; }
pre {
  background: var(--page); border: 1px solid var(--border); border-radius: 8px;
  padding: 12px; overflow: auto; font-size: .85rem; color: var(--steel);
}
#checkout-form { min-height: 320px; margin-top: 16px; }
.auth { max-width: 440px; margin: 48px auto; }
.sub { text-align: center; margin-bottom: 20px; }
.divider { display: flex; align-items: center; gap: 12px; margin: 18px 0; color: var(--muted); font-size: .8rem; }
.divider::before, .divider::after { content: ""; flex: 1; height: 1px; background: var(--border); }
.foot { margin-top: 18px; font-size: .85rem; color: var(--muted); text-align: center; }
.hero-strip {
  background: linear-gradient(135deg, var(--blue-soft), #fff);
  border: 1px solid var(--border); border-radius: 16px; padding: 20px 22px; margin-bottom: 22px;
}
.banner {
  display: flex; gap: 14px; align-items: flex-start;
  background: #FFFBEB; border: 1px solid #FCD34D; border-radius: 12px;
  padding: 14px 16px; margin-bottom: 22px;
}
.banner strong { color: #92400E; }
.stat { font-size: 2rem; font-weight: 700; letter-spacing: -.03em; }
.pill {
  display: inline-flex; align-items: center; gap: 6px; font-size: .75rem; font-weight: 600;
  padding: 4px 10px; border-radius: 999px; background: var(--surface); color: var(--steel);
}
.pill.ok { background: #DCFCE7; color: #166534; }
.pill.warn { background: #FEF3C7; color: #92400E; }
.app-card {
  display: flex; flex-direction: column; gap: 10px; padding: 18px;
  border: 1px solid var(--border); border-radius: 12px; background: var(--page);
}
.app-card code { font-size: .78rem; color: var(--muted); word-break: break-all; }
.note {
  font-size: .8rem; color: var(--muted); background: var(--surface);
  border: 1px solid var(--border); border-radius: 10px; padding: 12px 14px; margin-top: 16px;
}