:root {
  font-family: "Segoe UI", "Microsoft YaHei UI", "PingFang SC", system-ui, sans-serif;
  color: #172126;
  background: #f4f7f8;
}
* { box-sizing: border-box; }
body { margin: 0; min-width: 320px; min-height: 100vh; background: #f4f7f8; }
button, input { font: inherit; }
button:focus-visible, input:focus-visible { outline: 3px solid rgba(8, 127, 144, .2); outline-offset: 2px; }
.login-page { min-height: 100vh; display: grid; grid-template-columns: minmax(320px, .9fr) minmax(480px, 1.1fr); }
.login-brand { padding: 64px; display: flex; align-items: center; justify-content: center; gap: 22px; color: white; background: #087f90; }
.brand-mark { width: 62px; height: 62px; display: grid; place-items: center; border: 2px solid rgba(255,255,255,.8); border-radius: 14px; font-size: 27px; font-weight: 750; }
.login-brand p { margin: 0 0 7px; color: rgba(255,255,255,.72); font-size: 11px; font-weight: 700; }
.login-brand h1 { margin: 0 0 10px; font-size: 30px; }
.login-brand span { color: rgba(255,255,255,.82); font-size: 13px; }
.login-card { width: min(420px, calc(100vw - 32px)); align-self: center; justify-self: center; padding: 38px; border: 1px solid #e1e8eb; border-radius: 10px; background: white; box-shadow: 0 20px 60px rgba(24,54,61,.09); }
.security-icon { width: 48px; height: 48px; display: grid; place-items: center; margin-bottom: 18px; border-radius: 10px; color: #087f90; background: #e2f2f4; font-size: 27px; }
.eyebrow { margin: 0 0 5px; color: #087f90; font-size: 11px; font-weight: 700; }
.login-card h2 { margin: 0 0 10px; font-size: 24px; }
.description { margin: 0 0 25px; color: #6d7b82; font-size: 13px; line-height: 1.65; }
label { display: block; margin-bottom: 8px; color: #46565d; font-size: 12px; font-weight: 650; }
.input-wrap { position: relative; }
input { width: 100%; height: 45px; padding: 0 61px 0 13px; border: 1px solid #d9e3e6; border-radius: 6px; color: #172126; background: #fbfcfc; }
input:focus { border-color: #72bac3; outline: 3px solid rgba(8,127,144,.1); }
#toggle-key { position: absolute; right: 5px; top: 5px; height: 35px; padding: 0 10px; border: 0; border-radius: 5px; color: #087f90; background: transparent; cursor: pointer; font-size: 12px; }
#toggle-key:hover { background: #edf7f8; }
#login-error { min-height: 20px; margin: 8px 0 5px; color: #d94d4d; font-size: 12px; }
.submit-button { width: 100%; height: 43px; border: 0; border-radius: 6px; color: white; background: #087f90; cursor: pointer; font-weight: 650; }
.submit-button:hover { background: #046a79; }
.submit-button:disabled { cursor: wait; opacity: .7; }
.secure-note { margin-top: 20px; display: flex; justify-content: center; align-items: center; gap: 7px; color: #7a898f; font-size: 11px; }
.secure-note span { width: 7px; height: 7px; border-radius: 50%; background: #20ad6b; }
@media (max-width: 760px) {
  .login-page { grid-template-columns: 1fr; align-content: start; }
  .login-brand { min-height: 190px; padding: 35px 25px; justify-content: flex-start; }
  .login-brand h1 { font-size: 24px; }
  .login-card { margin: -18px auto 28px; padding: 29px 24px; z-index: 1; }
}