:root {
  color: #f8fafc;
  background: #09090b;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
}
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; background: radial-gradient(circle at top, #20243a 0, #09090b 48%); }
button, input, select { font: inherit; }
.shell { width: min(720px, calc(100% - 32px)); margin: 0 auto; padding: 72px 0 40px; }
header { margin-bottom: 28px; }
.eyebrow, .status-ok { color: #67e8f9; font-size: 0.78rem; font-weight: 800; letter-spacing: 0.12em; text-transform: uppercase; }
h1 { margin: 6px 0 8px; font-size: clamp(2.4rem, 8vw, 4.6rem); line-height: 0.95; letter-spacing: -0.055em; }
h2 { margin: 0 0 20px; font-size: 1.35rem; }
.lede, footer, .receipt-label { color: #a1a1aa; line-height: 1.6; }
.panel { border: 1px solid #30303a; border-radius: 18px; background: rgba(17, 17, 22, 0.94); padding: 24px; box-shadow: 0 24px 80px rgba(0, 0, 0, 0.34); }
.panel-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; }
form { display: grid; gap: 10px; }
label { color: #d4d4d8; font-size: 0.9rem; font-weight: 700; }
input, select { width: 100%; border: 1px solid #3f3f46; border-radius: 10px; color: #fafafa; background: #18181b; padding: 12px 14px; }
input:focus, select:focus, button:focus, a:focus { outline: 3px solid rgba(103, 232, 249, 0.35); outline-offset: 2px; }
button, .actions a { border: 0; border-radius: 10px; color: #071113; background: #67e8f9; padding: 12px 16px; font-weight: 850; cursor: pointer; text-align: center; text-decoration: none; }
form button { margin-top: 8px; }
button.secondary { color: #e4e4e7; background: #27272a; }
button.danger { color: #fecaca; background: #3f171b; }
button:disabled { cursor: wait; opacity: 0.55; }
.receipt { margin-top: 22px; border-top: 1px solid #30303a; padding-top: 20px; }
.review-section { margin-top: 28px; border-top: 1px solid #30303a; padding-top: 24px; }
.request-list { display: grid; gap: 14px; margin-top: 16px; }
.request-card { border: 1px solid #30303a; border-radius: 12px; background: #141419; padding: 16px; }
.request-card h3 { margin: 0 0 6px; font-size: 1rem; overflow-wrap: anywhere; }
.request-meta { margin: 0; color: #a1a1aa; font-size: 0.82rem; }
.review-actions { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; margin-top: 14px; }
.review-actions button { padding: 10px 12px; font-size: 0.83rem; }
.empty-state { color: #a1a1aa; }
output { display: block; overflow-wrap: anywhere; border-radius: 10px; color: #cffafe; background: #0c1d20; padding: 14px; }
.actions { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 12px; }
.notice { min-height: 24px; color: #fcd34d; font-weight: 700; }
footer { margin-top: 30px; font-size: 0.85rem; }
[hidden] { display: none !important; }
@media (max-width: 640px) { .shell { padding-top: 36px; } .actions, .review-actions { grid-template-columns: 1fr; } .panel-heading { display: block; } .panel-heading .secondary { margin-bottom: 18px; } }