:root { color-scheme: light; --navy: #151b33; --ink: #17213b; --muted: #778198; --blue: #3868f4; --violet: #7956f5; --teal: #18a999; --canvas: #f7f8fc; --line: #e7eaf1; --danger: #b63f35; }
* { box-sizing: border-box; }
body { min-height: 100vh; margin: 0; padding: 36px; display: grid; place-items: center; background: var(--canvas); color: var(--ink); font: 14px/1.6 "Segoe UI", "Microsoft YaHei", sans-serif; }
button, input { font: inherit; }
button { cursor: pointer; }
[hidden] { display: none !important; }
a { color: inherit; text-decoration: none; }
.login-shell { width: min(1080px, 100%); min-height: 650px; display: grid; grid-template-columns: 1.05fr 1fr; border: 1px solid var(--line); border-radius: 22px; overflow: hidden; background: #fff; box-shadow: 0 20px 70px rgba(29, 40, 76, .08); }
.intro { display: flex; flex-direction: column; padding: 38px 42px 28px; background: var(--navy); color: #fff; }
.brand { display: flex; align-items: center; gap: 12px; align-self: flex-start; font-weight: 700; font-size: 19px; letter-spacing: -.02em; }
.brand-mark { width: 39px; height: 39px; display: grid; place-items: center; border-radius: 12px; background: linear-gradient(135deg, #4284ff, #7955ee); font-size: 21px; }
.brand small { display: block; color: #aab4d0; font-size: 10px; font-weight: 400; letter-spacing: .08em; }
.intro-copy { margin: auto 0; padding: 45px 0; }
.eyebrow { margin: 0 0 18px; color: #9fb9ff; font-size: 10px; font-weight: 700; letter-spacing: .2em; }
h1 { margin: 0; font-size: clamp(29px, 3.1vw, 40px); line-height: 1.35; letter-spacing: -.04em; font-weight: 650; }
h1 em { color: #a4bcff; font-style: normal; }
.intro-note { max-width: 335px; margin: 22px 0 30px; color: #aab4d0; font-size: 13px; line-height: 1.9; }
.workflow { display: grid; gap: 0; }
.workflow > div { display: grid; grid-template-columns: 12px 84px 1fr; align-items: center; gap: 12px; padding: 14px 0; border-top: 1px solid #2a3351; font-size: 12px; }
.workflow b { font-weight: 500; color: #edf1ff; }
.workflow > div > span:last-child { color: #aab4d0; font-size: 11px; }
.workflow-dot { width: 7px; height: 7px; border-radius: 50%; }
.workflow-dot.blue { background: #75a1ff; }
.workflow-dot.violet { background: #b09aff; }
.workflow-dot.teal { background: #4dd4bd; }
.intro-footer { margin: 0; color: #8e9ab9; font-size: 10px; }
.login-panel { display: flex; flex-direction: column; justify-content: center; padding: 50px 48px; }
.login-kicker { color: var(--blue); font-size: 12px; font-weight: 600; }
h2 { margin: 9px 0; font-size: 25px; font-weight: 650; letter-spacing: -.035em; line-height: 1.4; }
.login-heading p { margin: 0 0 32px; color: var(--muted); font-size: 12px; }
.field { margin-bottom: 20px; }
.field label { display: block; margin-bottom: 8px; color: #4f5e79; font-size: 12px; font-weight: 600; }
.field input { display: block; width: 100%; height: 45px; padding: 10px 13px; border: 1px solid #dce2ee; border-radius: 9px; color: var(--ink); background: #fff; outline: none; font-size: 13px; transition: border-color .15s, box-shadow .15s; }
.field input::placeholder { color: #8b94a7; }
.field input:focus { border-color: var(--blue); box-shadow: 0 0 0 3px #3868f418; }
.field input[aria-invalid="true"] { border-color: var(--danger); }
.password-wrap { position: relative; }
.password-wrap input { padding-right: 61px; }
.password-toggle { position: absolute; right: 6px; top: 6px; height: 33px; padding: 0 9px; border: 0; border-radius: 6px; background: transparent; color: #586a91; font-size: 11px; }
.password-toggle:hover { background: #f1f4fc; }
.login-submit { display: flex; align-items: center; justify-content: space-between; width: 100%; padding: 13px 16px; margin-top: 26px; border: 0; border-radius: 9px; background: var(--blue); color: #fff; font-size: 13px; font-weight: 600; transition: background .15s; }
.login-submit:hover { background: #2856d9; }
.login-submit:disabled { cursor: wait; opacity: .65; }
.login-submit span { font-size: 18px; line-height: 1; }
.login-error { margin: 0; padding: 10px 12px; border-radius: 8px; background: #fff0ee; color: var(--danger); font-size: 12px; }
.review-note { display: flex; gap: 10px; padding: 14px; margin-top: 27px; border: 1px solid #dfe5f2; border-radius: 10px; background: #f7f9ff; }
.note-mark { display: grid; place-items: center; flex: 0 0 16px; width: 16px; height: 16px; border: 1px solid #6d82b1; border-radius: 50%; color: #6d82b1; font: 11px/1 Georgia, serif; margin-top: 3px; }
.review-note b { color: #4b608e; font-size: 11px; font-weight: 600; }
.review-note p { margin: 5px 0 0; color: #6d7890; font-size: 11px; line-height: 1.8; }
.account-help { margin: 20px 0 0; color: var(--muted); font-size: 11px; }
:focus-visible { outline: 3px solid #8babff; outline-offset: 3px; }
@media (max-width: 780px) { body { padding: 22px; } .login-shell { grid-template-columns: 1fr; max-width: 490px; min-height: auto; } .intro { padding: 23px 28px; } .intro-copy, .intro-footer { display: none; } .login-panel { padding: 34px 28px; } h2 { font-size: 23px; } }
@media (max-width: 400px) { body { padding: 12px; } .login-shell { border-radius: 16px; } .login-panel { padding: 28px 22px; } }
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }