:root {
  color-scheme: light;
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  color: #152638;
  background: #f3f6f8;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; }
.shell { width: min(100% - 32px, 520px); margin: 0 auto; padding: 40px 0 24px; }
.brand { display: flex; align-items: center; gap: 10px; margin: 0 0 28px 4px; color: #10283f; font-size: 18px; font-weight: 700; letter-spacing: -.3px; }
.brand b { color: #0874bd; }
.brand-mark { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 11px; color: white; background: linear-gradient(135deg, #4e2caa, #0874bd 58%, #ef4f57); font-weight: 800; }
.card { padding: 36px; border: 1px solid #e0e7ec; border-radius: 18px; background: #fff; box-shadow: 0 12px 38px #17334d12; }
.eyebrow { color: #2675a8; font-size: 12px; font-weight: 800; letter-spacing: 1.3px; }
h1 { margin: 13px 0 8px; font-size: clamp(25px, 6vw, 32px); line-height: 1.18; letter-spacing: -.8px; }
h2 { margin: 24px 0 8px; font-size: 19px; }
.intro, .muted { color: #596b79; line-height: 1.55; }
.intro { margin: 0 0 22px; }
.muted { margin: 0 0 20px; font-size: 14px; }
form { display: grid; gap: 10px; }
label { margin-top: 7px; font-size: 14px; font-weight: 650; }
input { width: 100%; min-height: 46px; padding: 10px 12px; border: 1px solid #cbd6de; border-radius: 9px; color: #152638; background: white; font: inherit; }
input:focus { border-color: #0874bd; outline: 3px solid #0874bd22; }
button { min-height: 48px; margin-top: 12px; border: 0; border-radius: 9px; color: white; background: #126b9e; font: inherit; font-weight: 700; cursor: pointer; }
button:hover { background: #0d587f; }
button:disabled { opacity: .6; cursor: wait; }
.help { margin-top: 22px; font-size: 14px; }
a { color: #126b9e; }
.notice { margin: 18px 0; padding: 12px 14px; border-radius: 9px; color: #174d39; background: #e8f5ef; line-height: 1.45; }
.notice.error { color: #842b2b; background: #fff0ee; }
footer { padding: 20px 8px 0; color: #6b7c88; text-align: center; font-size: 12px; }
[hidden] { display: none !important; }
@media (max-width: 480px) { .shell { padding-top: 24px; } .card { padding: 26px 22px; } }