:root { color: #26334a; background: #f4f7fb; font-family: Inter, "Microsoft YaHei", Arial, sans-serif; }
* { box-sizing: border-box; }
body { min-width: 320px; margin: 0; }
.login-page { min-height: 100vh; display: grid; place-items: center; padding: 24px; background: linear-gradient(145deg, #f7f9fd 0%, #edf3fc 100%); }
.login-card { width: min(400px, 100%); padding: 36px; background: #fff; border: 1px solid #e4eaf3; border-radius: 14px; box-shadow: 0 16px 45px rgba(37, 62, 104, .12); }
.login-mark { width: 42px; height: 42px; display: grid; place-items: center; margin: 0 auto 12px; border-radius: 10px; color: #fff; font-size: 23px; font-weight: 700; background: #356ae6; }
.login-brand { text-align: center; font-size: 21px; font-weight: 700; }
.login-hint { margin: 8px 0 28px; color: #78859a; text-align: center; font-size: 13px; }
h1 { margin: 0 0 22px; font-size: 19px; }
label { display: block; margin: 16px 0 7px; color: #526077; font-size: 14px; }
input { width: 100%; height: 42px; padding: 9px 11px; color: #26334a; border: 1px solid #d9e1ed; border-radius: 7px; font: inherit; outline: none; }
input:focus { border-color: #356ae6; box-shadow: 0 0 0 3px rgba(53, 106, 230, .12); }
.totp-provider { margin: -10px 0 16px; color: #356ae6; font-weight: 600; }
.login-error { min-height: 19px; margin: 10px 0 0; color: #bc3d4f; font-size: 13px; }
.login-primary, .login-secondary { width: 100%; height: 42px; margin-top: 12px; border-radius: 7px; font: inherit; font-weight: 600; cursor: pointer; }
.login-primary { border: 1px solid #356ae6; color: #fff; background: #356ae6; }
.login-primary:disabled, .login-secondary:disabled { opacity: .6; cursor: wait; }
.login-secondary { border: 1px solid #d9e1ed; color: #526077; background: #fff; }