:root { color-scheme: light; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; color: #10243a; background: #f6f8fb; }
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; }
.shell { max-width: 540px; margin: 0 auto; padding: 8vh 22px 48px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 850; letter-spacing: .07em; font-size: 20px; margin-bottom: 26px; }
.brand-mark { width: 38px; height: 38px; display: grid; place-items: center; color: white; background: #193e60; border-radius: 11px; }
.panel { background: white; padding: clamp(24px, 6vw, 36px); border: 1px solid #e3e9ef; border-radius: 18px; box-shadow: 0 12px 32px rgba(10,30,50,.05); }
h1 { font-size: 27px; line-height: 1.2; margin: 8px 0 20px; }
.eyebrow { color: #526983; font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; }
#message { line-height: 1.55; min-height: 3em; }
button { appearance: none; width: 100%; border: 0; border-radius: 10px; background: #193e60; padding: 14px 18px; color: white; font: inherit; font-weight: 700; cursor: pointer; margin-top: 14px; }
button:disabled { opacity: .56; cursor: not-allowed; }
form label { display: block; margin: 17px 0 7px; font-size: 14px; font-weight: 650; }
form input { display: block; width: 100%; border: 1px solid #9caec1; border-radius: 9px; padding: 13px; font: inherit; }
form input:focus-visible, button:focus-visible { outline: 3px solid #68a4d1; outline-offset: 2px; }
.notice { margin-top: 26px; padding-top: 20px; border-top: 1px solid #e6eaf0; color: #586a7c; font-size: 13px; line-height: 1.6; }
footer { margin-top: 24px; text-align: center; font-size: 12px; color: #6c7b8c; }
[hidden] { display: none !important; }
