:root {
  color: #18231f;
  background: #eef3f1;
  font-family: Inter, "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  font-synthesis: none;
}
* { box-sizing: border-box; }
body { min-height: 100vh; margin: 0; background: radial-gradient(circle at 15% 10%, #dcebe6 0, transparent 34%), #eef3f1; }
button, input { font: inherit; }
.login-shell { display: grid; grid-template-columns: minmax(300px, 1fr) minmax(380px, 470px); min-height: 100vh; }
.login-intro { display: flex; flex-direction: column; justify-content: center; padding: clamp(48px, 8vw, 120px); color: #edf8f4; background: linear-gradient(145deg, #123c32, #1b5f4e); }
.brand-mark { display: grid; place-items: center; width: 58px; height: 58px; margin-bottom: 32px; border: 1px solid rgba(255,255,255,.36); border-radius: 14px; background: rgba(255,255,255,.1); font-size: 28px; font-weight: 800; }
.eyebrow { margin: 0 0 12px; color: #98cfbd; font-size: 12px; font-weight: 800; letter-spacing: .18em; }
.login-intro h1 { margin: 0; font-size: clamp(34px, 4.5vw, 58px); letter-spacing: -.04em; }
.login-intro > p:not(.eyebrow) { max-width: 520px; margin: 20px 0 0; color: #c7ddd6; font-size: 17px; line-height: 1.8; }
.security-note { margin-top: 50px; color: #b8d8ce; font-size: 13px; }
.security-note span { display: inline-grid; place-items: center; width: 22px; height: 22px; margin-right: 8px; border-radius: 50%; color: #123c32; background: #9cd8c4; font-weight: 800; }
.login-card { display: flex; flex-direction: column; justify-content: center; padding: clamp(40px, 7vw, 90px); background: #fff; box-shadow: -20px 0 50px rgba(22, 52, 43, .08); }
.card-kicker { margin: 0 0 10px; color: #17745f; font-size: 12px; font-weight: 800; letter-spacing: .14em; }
.login-card h2 { margin: 0; font-size: 30px; letter-spacing: -.03em; }
.card-description { margin: 10px 0 32px; color: #69756f; font-size: 14px; }
form { display: grid; gap: 20px; }
label { display: grid; gap: 8px; color: #34433d; font-size: 13px; font-weight: 700; }
input { width: 100%; min-height: 48px; padding: 0 14px; border: 1px solid #cbd6d1; border-radius: 7px; outline: none; color: #18231f; background: #fbfcfc; }
input:focus { border-color: #17745f; box-shadow: 0 0 0 3px rgba(23, 116, 95, .12); background: #fff; }
button { min-height: 49px; border: 0; border-radius: 7px; color: #fff; background: #17745f; font-weight: 800; cursor: pointer; transition: background .18s, transform .18s; }
button:hover { background: #105c4b; }
button:active { transform: translateY(1px); }
button:disabled { cursor: wait; opacity: .7; }
.login-message { min-height: 20px; margin: -6px 0 -8px; color: #a33b35; font-size: 13px; }
.login-footnote { margin: 28px 0 0; color: #89938f; font-size: 12px; line-height: 1.6; }
@media (max-width: 780px) {
  .login-shell { display: block; padding: 24px; }
  .login-intro { min-height: 240px; padding: 34px; border-radius: 14px 14px 0 0; }
  .login-intro > p:not(.eyebrow), .security-note { display: none; }
  .brand-mark { margin-bottom: 22px; }
  .login-card { padding: 34px 26px; border-radius: 0 0 14px 14px; box-shadow: 0 20px 50px rgba(22, 52, 43, .12); }
}