:root {
  font-family: Inter, "Microsoft YaHei", "PingFang SC", system-ui, sans-serif;
  color: #17211f; background: #eef3f1;
}
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.auth-card {
  width: min(440px, 100%); background: #fff; border: 1px solid #d8e2de;
  border-radius: 12px; padding: 34px; box-shadow: 0 18px 60px rgba(25, 58, 49, .10);
}
.brand { display: flex; align-items: center; gap: 11px; color: #087f6d; font-weight: 750; }
.brand-mark { width: 34px; height: 34px; display: grid; place-items: center; border-radius: 9px; background: #e2f3ed; }
h1 { margin: 26px 0 8px; font-size: 27px; }
.hint { margin: 0 0 24px; color: #64716d; font-size: 14px; line-height: 1.65; }
label { display: block; margin: 15px 0 6px; color: #34413e; font-size: 14px; font-weight: 650; }
input {
  width: 100%; min-height: 44px; border: 1px solid #c5d2ce; border-radius: 7px;
  padding: 0 12px; font: inherit; outline: none;
}
input:focus { border-color: #087f6d; box-shadow: 0 0 0 3px rgba(8, 127, 109, .12); }
button {
  width: 100%; min-height: 44px; margin-top: 24px; border: 0; border-radius: 7px;
  background: #087f6d; color: #fff; font: inherit; font-weight: 700; cursor: pointer;
}
button:disabled { opacity: .55; cursor: wait; }
.message { min-height: 22px; margin: 14px 0 0; color: #b42318; font-size: 13px; }
.password-note { margin: 7px 0 0; color: #74807d; font-size: 12px; }
@media (max-width: 520px) { .auth-card { padding: 26px 22px; } }