/* Authentication pages have no scripts, external fonts, or third-party assets. */
:root { color-scheme: dark; font-family: system-ui, -apple-system, "Segoe UI", "Microsoft YaHei", sans-serif; color: #f4f4f5; background: #111318; }
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; line-height: 1.65; background: radial-gradient(ellipse at 15% 10%, #20253b 0, transparent 55%), #111318; }
.auth-layout { width: min(100% - 48px, 980px); margin: 0 auto; min-height: 100vh; display: grid; grid-template-columns: 1fr 1fr; align-content: center; align-items: center; gap: 40px 64px; padding: 64px 0 24px; }
.brand { display: flex; align-items: center; gap: 12px; font-size: 22px; font-weight: 650; letter-spacing: -.025em; }
.brand-mark { display: grid; place-items: center; width: 40px; height: 40px; border: 1px solid #7887b2; border-radius: 12px; background: #2c3553; color: #e5eaff; font-size: 24px; }
.site-domain { color: #9da9c4; font-size: 14px; margin: 12px 0 42px; }
h1 { font-size: clamp(25px, 3.3vw, 34px); line-height: 1.35; font-weight: 650; margin: 0 0 18px; letter-spacing: -.03em; }
.intro-text { color: #b5bdcc; margin: 0; max-width: 390px; }
.site-features { padding-left: 20px; margin: 30px 0 0; color: #b5bdcc; font-size: 14px; }
.site-features li { padding-left: 4px; margin: 10px 0; }
.site-features li::marker { color: #9baeff; }
.auth-card { background: #1a1e27; border: 1px solid #343b4b; border-radius: 20px; padding: 32px; box-shadow: 0 18px 60px #0003; }
.eyebrow { color: #b3c1fa; font-size: 13px; font-weight: 600; letter-spacing: .08em; margin: 0 0 8px; }
h2 { font-size: 24px; line-height: 1.35; margin: 0 0 10px; font-weight: 650; letter-spacing: -.025em; }
.card-description { color: #b5bdcc; font-size: 14px; margin: 0 0 26px; }
.form-field { margin: 0 0 18px; }
label { display: block; margin: 0 0 7px; font-size: 14px; font-weight: 600; color: #e1e5ee; }
input { display: block; width: 100%; min-height: 46px; padding: 10px 12px; border: 1px solid #4a5367; border-radius: 8px; background: #10141c; color: #f4f4f5; font: inherit; font-size: 16px; }
input:focus-visible, .primary-button:focus-visible, a:focus-visible { outline: 3px solid #b3c1fa; outline-offset: 3px; }
.primary-button { display: block; width: 100%; padding: 12px 18px; margin-top: 24px; min-height: 48px; border: 0; border-radius: 8px; background: #b8c7ff; color: #152042; text-align: center; text-decoration: none; font: inherit; font-weight: 650; cursor: pointer; }
.primary-button:hover { background: #cbd6ff; }
.account-notice { margin: 26px 0 0; padding: 14px 16px; border-left: 2px solid #6b7ba5; background: #151922; border-radius: 0 8px 8px 0; color: #b5bdcc; font-size: 12px; }
.account-notice strong { color: #d2d9eb; font-size: 13px; font-weight: 600; }
.account-notice p { margin: 5px 0 0; }
.contact-note { color: #a1abba; font-size: 12px; margin: 20px 0 0; }
.form-error { color: #ffd0d0; background: #42222a; border: 1px solid #804957; padding: 10px 12px; border-radius: 8px; font-size: 14px; }
.auth-footer { grid-column: 1 / -1; text-align: center; color: #9da7ba; font-size: 12px; margin-top: 22px; }
.error-layout { min-height: 100vh; display: grid; place-items: center; padding: 28px; }
.error-card { width: min(100%, 520px); }
.error-card h1 { font-size: 25px; }
.error-card p { color: #c1c8d6; }
.error-card small { display: block; margin-top: 20px; color: #a1abba; overflow-wrap: anywhere; }
@media (max-width: 720px) {
    .auth-layout { width: min(100% - 32px, 460px); grid-template-columns: 1fr; gap: 28px; padding-top: 32px; }
    .site-domain { margin-bottom: 22px; }
    .site-features { margin-top: 18px; }
    .auth-card { padding: 24px; border-radius: 16px; }
    .auth-footer { margin-top: 0; }
}
@media (max-width: 360px) {
    .auth-layout { width: calc(100% - 24px); }
    .auth-card { padding: 20px; }
    h2 { font-size: 22px; }
}