:root { color-scheme: light; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; color: #172b29; background: #f3f6f5; }
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; display: grid; place-items: center; padding: 24px; }
main { width: 100%; max-width: 520px; background: white; border: 1px solid #dce5e2; border-radius: 20px; box-shadow: 0 12px 44px #173a2910; overflow: hidden; }
header { display: flex; align-items: center; gap: 14px; padding: 26px 32px; border-bottom: 1px solid #edf1ef; }
.brand { font-size: 25px; font-weight: 750; letter-spacing: -1px; }
.label { color: #586d67; font-size: 11px; letter-spacing: 2px; }
section { padding: 36px 32px; }
.badge { display: inline-block; padding: 7px 11px; border-radius: 8px; font-size: 12px; font-weight: 650; background: #f2f0e8; color: #625426; }
.badge.paid { background: #e4f5ec; color: #176340; }
h1 { margin: 22px 0 14px; font-size: clamp(25px, 6vw, 32px); line-height: 1.2; letter-spacing: -.7px; }
p { margin: 0; color: #526560; font-size: 16px; line-height: 1.7; }
button { margin-top: 28px; width: 100%; min-height: 48px; border: 0; border-radius: 10px; background: #1b5448; color: white; font: inherit; font-weight: 600; cursor: pointer; }
button:hover { background: #123e34; }
.return-link { display: block; margin-top: 24px; padding: 12px; text-align: center; color: #1b5448; font-weight: 600; }
button:focus-visible { outline: 3px solid #a0c6bb; outline-offset: 3px; }
footer { padding: 20px 32px; border-top: 1px solid #edf1ef; color: #62736f; font-size: 12px; }
@media (max-width: 380px) { body { padding: 16px; } header, section, footer { padding-left: 22px; padding-right: 22px; } }