:root{font-family:Inter,"Segoe UI","Microsoft Yahei",sans-serif;color:#182b43;font-size:14px}
*{box-sizing:border-box}body{margin:0;min-height:100vh;background:#f5f7fb}
.login-layout{min-height:100vh;display:grid;grid-template-columns:minmax(345px,43%) minmax(0,1fr)}
.login-intro{background:linear-gradient(135deg,#1a3765,#345d92);color:white;min-height:100vh;padding:34px clamp(25px,5vw,75px);display:flex;flex-direction:column;justify-content:space-between}
[data-portal="admin"] .login-intro{background:linear-gradient(150deg,#192b42,#334c6b)}
.brand{display:flex;align-items:center;gap:12px;font-size:15px;font-weight:650;letter-spacing:.01em}
.brand-icon{display:grid;place-items:center;width:37px;height:37px;border-radius:10px;background:#ffffff26;color:#fff;font-size:22px;font-weight:700}
.intro-content{max-width:425px}.eyebrow{color:#bed1ec;font-size:11px;font-weight:700;letter-spacing:.16em}
.intro-content h1{font-size:clamp(30px,3vw,43px);line-height:1.27;letter-spacing:-.025em;margin:17px 0}
.intro-content>p:not(.eyebrow){line-height:1.9;color:#d8e5f6;font-size:15px}
.intro-hint{border-top:1px solid #ffffff36;margin-top:37px;padding-top:17px;color:#cfdaed;font-size:12px}
.login-intro footer{font-size:11px;letter-spacing:.06em;color:#a8bdd9}
.form-side{display:grid;place-items:center;padding:35px 20px}
.form-card{width:min(400px,100%)}
.form-kicker{font-size:12px;color:#6683ad;font-weight:700;margin-bottom:10px}
.form-card h2{font-size:26px;font-weight:700;margin:0 0 8px}
.form-description{color:#7a879b;font-size:13px;margin:0 0 28px;line-height:1.65}
label{display:block;color:#455773;font-size:12px;font-weight:620;margin:17px 0 8px}
input{display:block;width:100%;min-height:44px;background:white;border:1px solid #d5deea;border-radius:9px;padding:10px 13px;font:inherit;transition:border .12s,box-shadow .12s}
input:focus{outline:none;border-color:#3b6eb3;box-shadow:0 0 0 3px #527eb529}
button{width:100%;min-height:46px;background:#315d9b;color:#fff;border:0;border-radius:9px;font:inherit;font-weight:650;cursor:pointer;margin-top:16px}
[data-portal="admin"] button{background:#2d466b}
button:focus-visible{outline:3px solid #709ce8;outline-offset:2px}
button:hover{filter:brightness(.94)}button:disabled{opacity:.65;cursor:wait}
.message{min-height:22px;color:#ba4141;font-size:12px;margin:10px 0 0;overflow-wrap:anywhere}
.footnote{color:#8896aa;font-size:12px;line-height:1.8;margin-top:24px}
@media(max-width:850px){.login-layout{grid-template-columns:1fr}.login-intro{min-height:230px;padding:24px;gap:14px}.intro-content h1{font-size:26px;margin:6px 0}.intro-content>p:not(.eyebrow),.intro-hint,.login-intro footer{display:none}.eyebrow{margin:0}.form-side{place-items:start center;padding:30px 20px 60px}}
@media(max-width:440px){.login-intro{min-height:200px}.form-card h2{font-size:23px}}