:root {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  color: #eef5ff;
  background: #050914;
}
* { box-sizing: border-box; }
body { margin: 0; }
.access-page {
  min-height: 100vh;
  background:
    radial-gradient(circle at 16% 16%, rgba(61, 126, 255, .22), transparent 34%),
    radial-gradient(circle at 82% 78%, rgba(24, 223, 190, .12), transparent 30%),
    #050914;
}
.login-shell { min-height: 100vh; display: grid; grid-template-columns: 1.1fr .9fr; align-items: center; gap: 8vw; max-width: 1180px; padding: 56px 32px; margin: auto; }
.brand { display: inline-flex; align-items: center; gap: 12px; color: #fff; text-decoration: none; font-weight: 720; letter-spacing: .02em; }
.brand span { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 12px; background: linear-gradient(135deg, #377dff, #20dbc1); color: #021019; }
.eyebrow { color: #72a8ff; font-size: 12px; font-weight: 760; letter-spacing: .18em; }
.login-intro h1 { margin: 24px 0 18px; font-size: clamp(40px, 5vw, 68px); line-height: 1.08; letter-spacing: -.045em; }
.login-intro > p:last-child { max-width: 540px; color: #93a0b7; font-size: 17px; line-height: 1.8; }
.login-card, .message-card { border: 1px solid rgba(133, 164, 218, .2); border-radius: 24px; background: rgba(11, 18, 34, .86); box-shadow: 0 28px 80px rgba(0, 0, 0, .38); backdrop-filter: blur(18px); }
.login-card { padding: 38px; }
.login-card h2 { margin: 8px 0; font-size: 28px; }
.muted { color: #8794aa; margin: 0 0 28px; }
form { display: grid; gap: 18px; }
label { display: grid; gap: 8px; color: #b5c1d5; font-size: 14px; }
.session-note { margin: -2px 0 0; color: #71819b; font-size: 13px; line-height: 1.6; }
input, select { width: 100%; border: 1px solid #263654; border-radius: 11px; background: #091123; color: #f5f8ff; padding: 13px 14px; font: inherit; outline: none; }
input:focus, select:focus { border-color: #4d8eff; box-shadow: 0 0 0 3px rgba(77, 142, 255, .13); }
label small { color: #6f809c; }
.primary { border: 0; border-radius: 11px; padding: 14px 18px; background: linear-gradient(135deg, #3e82ff, #1ccdaf); color: #03101b; font: inherit; font-weight: 760; cursor: pointer; }
.primary:disabled { opacity: .55; cursor: wait; }
.guest-link { display: block; margin-top: 22px; text-align: center; color: #8fa5c8; text-decoration: none; font-size: 14px; }
.guest-link.compact { margin-top: 12px; font-size: 13px; }
.guest-link:hover { color: #dce8ff; }
.form-error { margin: -4px 0 0; color: #ff8795; font-size: 14px; }
.message-card { max-width: 560px; margin: 15vh auto; padding: 44px; text-align: center; }
.message-code { color: #6da2ff; font-size: 14px; font-weight: 800; letter-spacing: .2em; }
.message-card h1 { font-size: 32px; margin: 12px 0; }
.message-card p { color: #93a0b7; line-height: 1.75; }
.message-actions { display: flex; align-items: center; justify-content: center; gap: 24px; margin-top: 30px; }
.message-actions a { color: #aabbd7; text-decoration: none; }
.message-actions .button-link { color: #03101b; }
@media (max-width: 760px) {
  .login-shell { grid-template-columns: 1fr; gap: 36px; padding: 30px 20px; }
  .login-intro h1 { font-size: 39px; }
  .login-card { padding: 28px 22px; }
}