:root { --green: #0a9d6a; --dark: #1f2937; --grey: #6b7280; --bg: #f4f5f7; --red: #c0392b; }
* { box-sizing: border-box; }
body { margin: 0; font: 16px/1.45 -apple-system, system-ui, "Segoe UI", Roboto, sans-serif; color: var(--dark); background: var(--bg); }
.top { background: #fff; padding: 12px 16px; border-bottom: 1px solid #e5e7eb; }
.brand { color: var(--green); font-weight: 700; text-decoration: none; font-size: 18px; }
.brand span { color: var(--grey); font-weight: 400; font-size: 12px; margin-left: 6px; letter-spacing: .08em; }
main { max-width: 480px; margin: 0 auto; padding: 16px; }
.card { background: #fff; border-radius: 12px; padding: 16px; margin-bottom: 12px; box-shadow: 0 1px 2px rgba(0,0,0,.05); }
h1 { font-size: 22px; margin: 0 0 4px; }
h2 { font-size: 16px; margin: 0 0 8px; }
.muted { color: var(--grey); }
.big { font-size: 28px; font-weight: 700; }
.row { display: flex; justify-content: space-between; gap: 12px; padding: 4px 0; }
.row span:first-child { color: var(--grey); }
label { display: block; font-size: 14px; color: var(--grey); margin: 12px 0 4px; }
input[type=email], input[type=text] { width: 100%; padding: 12px; font-size: 16px; border: 1px solid #d1d5db; border-radius: 8px; background: #fff; }
.stripe-field { padding: 12px; border: 1px solid #d1d5db; border-radius: 8px; background: #fff; }
.check { display: flex; gap: 8px; align-items: flex-start; font-size: 14px; color: var(--dark); margin-top: 14px; }
.check input { margin-top: 3px; }
button { width: 100%; margin-top: 16px; padding: 14px; font-size: 17px; font-weight: 600; color: #fff; background: var(--green); border: 0; border-radius: 10px; cursor: pointer; }
button:disabled { background: #9ca3af; cursor: not-allowed; }
.error { color: var(--red); margin-top: 12px; font-size: 14px; }
.chip { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: 13px; background: #e5e7eb; }
.chip.ok { background: #d1fae5; color: #065f46; } .chip.bad { background: #fee2e2; color: #991b1b; } .chip.wait { background: #fef3c7; color: #92400e; }
.foot { max-width: 480px; margin: 0 auto; padding: 8px 16px 24px; font-size: 13px; color: var(--grey); text-align: center; }
.foot a { color: var(--grey); }
.dev { background: #fffbeb; border: 1px dashed #f59e0b; padding: 8px; border-radius: 8px; font-size: 13px; margin-top: 12px; }
.nav { float: right; } .nav a { margin-left: 16px; color: var(--grey); text-decoration: none; font-size: 14px; }
.hero h1 { font-size: 28px; }
.btn { display: inline-block; padding: 10px 18px; border-radius: 10px; background: var(--dark); color: #fff; text-decoration: none; font-weight: 600; margin: 4px 8px 4px 0; }
.steps { padding-left: 20px; } .steps li { margin: 6px 0; }
details { padding: 8px 0; border-top: 1px solid #eee; } summary { cursor: pointer; font-weight: 600; }
[hidden] { display: none !important; }