:root { color-scheme: light; --ink: #153448; --accent: #009dd4; --paper: #f3faff; }
* { box-sizing: border-box; }
body { margin: 0; color: var(--ink); font-family: 'Manrope', 'PingFang SC', sans-serif; background: radial-gradient(ellipse at 10% 15%, #ceeffb, transparent 65%), var(--paper); }
.login-layout { min-height: 100dvh; max-width: 1200px; margin: auto; display: grid; grid-template-columns: 1fr 420px; align-items: center; gap: 72px; padding: 48px; }
.brand { width: max-content; display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: inherit; font-weight: 700; }
.brand img { width: 44px; height: 44px; display: block; border-radius: 12px; box-shadow: 0 10px 28px rgba(5, 86, 130, .18); }
.eyebrow { font-size: 12px; letter-spacing: .14em; color: #478299; margin-top: 52px; }
h1 { font-family: 'Songti SC', Georgia, serif; font-size: clamp(40px, 5vw, 68px); line-height: 1.3; font-weight: 600; margin: 20px 0; }
.introduction > p:not(.eyebrow) { line-height: 1.8; }
.station-lines { display: flex; gap: 30px; border-top: 1px solid #b3d6e4; padding-top: 24px; margin-top: 52px; font-size: 13px; }
.login-card { padding: 30px; border: 1px solid #c3e1ee; background: #ffffffed; border-radius: 24px; box-shadow: 0 20px 80px #24738e12; text-align: center; }
.login-card .eyebrow { margin-top: 0; }
h2 { font-size: 25px; margin: 10px 0; }
#login-message { min-height: 44px; font-size: 14px; line-height: 1.7; overflow-wrap: anywhere; }
#qr_container { min-height: 340px; display: grid; place-items: center; }
button, #enter-workspace { display: block; width: 100%; padding: 13px 12px; margin-top: 12px; border: 0; border-radius: 10px; background: var(--accent); color: white; font: inherit; cursor: pointer; text-decoration: none; }
button:disabled { opacity: .5; cursor: wait; }
.secondary { background: #edf7fc; color: #246a8b; }
.note { font-size: 12px; color: #64818e; margin-bottom: 0; }
[hidden] { display: none !important; }
@media (max-width: 760px) { .login-layout { grid-template-columns: minmax(0, 1fr); gap: 24px; padding: 24px 12px; } .introduction { padding: 12px; } h1 { font-size: 36px; } .introduction .eyebrow, .station-lines { display: none; } .login-card { width: 100%; max-width: 420px; justify-self: center; padding: 24px 10px; } }