.auth-body { background: var(--bg); }
.auth-page {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px 16px;
  background:
    radial-gradient(900px 520px at 12% -8%, var(--primary-subtle-2), transparent 62%),
    radial-gradient(760px 520px at 105% 110%, var(--primary-subtle), transparent 60%),
    var(--bg);
}
.auth-panel {
  width: 100%;
  max-width: 408px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  padding: 36px 32px 30px;
  animation: auth-rise 360ms var(--ease) both;
}
@keyframes auth-rise { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { .auth-panel { animation: none; } }

.auth-brand { display: flex; justify-content: center; margin: 2px 0 28px; text-decoration: none; color: var(--text); border-radius: var(--radius); }
.auth-brand:focus-visible { outline: none; box-shadow: var(--ring); }
.auth-logo { max-height: 52px; max-width: 220px; object-fit: contain; }
[data-theme="dark"] .auth-logo { background: #fff; border-radius: var(--radius-md); padding: 6px 10px; }
.auth-wordmark { font-family: var(--font-display); font-weight: 700; font-size: 38px; line-height: 1; letter-spacing: -0.05em; color: var(--text); }
.auth-wordmark-accent { color: var(--primary); }

.auth-head { text-align: center; margin-bottom: 22px; }
.auth-head h1 { font-family: var(--font-display); font-size: 22px; font-weight: 700; letter-spacing: -0.02em; margin: 0; color: var(--text); }
.auth-sub { color: var(--text-3); font-size: 14px; margin: 6px 0 0; overflow-wrap: anywhere; }
.auth-sub strong { color: var(--text); font-weight: 600; }
.auth-badge { display: inline-grid; place-items: center; width: 46px; height: 46px; border-radius: var(--radius-lg); margin-bottom: 14px; background: var(--primary-subtle); color: var(--primary); border: 1px solid var(--primary-border); }
.auth-badge-muted { background: var(--surface-sunken); color: var(--text-2); border-color: var(--border); }

.auth-form { display: flex; flex-direction: column; gap: 16px; }
.auth-form .field { margin: 0; }
.auth-row-end { display: flex; justify-content: flex-end; margin-top: -6px; }
.auth-link { color: var(--text-2); font-size: 13px; text-decoration: none; display: inline-flex; align-items: center; gap: 4px; border-radius: var(--radius-xs); }
.auth-link:hover { color: var(--primary); }
.auth-link:focus-visible { outline: none; box-shadow: var(--ring); }
.auth-foot { text-align: center; margin: 18px 0 0; }
.auth-gap { margin-top: 20px; }

.auth-sep { display: flex; align-items: center; gap: 12px; margin: 20px 0; color: var(--text-4); font-size: 12px; text-transform: uppercase; letter-spacing: 0.08em; }
.auth-sep::before, .auth-sep::after { content: ""; flex: 1; height: 1px; background: var(--border); }
.auth-admin-btn { background: var(--surface-2); }
.auth-admin-btn:hover { background: var(--surface-hover); }
.auth-google { margin-bottom: 0; gap: 10px; background: #fff; color: #1f1f1f; border-color: #dadce0; font-weight: 500; }
.auth-google:hover { background: #f8f9fa; border-color: #d2d4d7; color: #1f1f1f; }
.auth-google-logo { flex: none; width: 18px; height: 18px; }
[data-theme="dark"] .auth-google { background: #131314; color: #e3e3e3; border-color: #8e918f; }
[data-theme="dark"] .auth-google:hover { background: #1f1f20; color: #e3e3e3; }

.auth-alert { display: flex; gap: 10px; align-items: flex-start; padding: 10px 12px; border-radius: var(--radius-md); font-size: 13.5px; line-height: 1.45; margin-bottom: 16px; border: 1px solid var(--blue-border); background: var(--blue-bg); color: var(--blue-text); }
.auth-alert .icon { flex: none; margin-top: 2px; }
.auth-alert-danger { border-color: var(--red-border); background: var(--red-bg); color: var(--red-text); }
.auth-alert-success { border-color: var(--green-border); background: var(--green-bg); color: var(--green-text); }

.auth-otp { display: flex; gap: 8px; justify-content: space-between; }
.auth-otp input { width: 100%; min-width: 0; max-width: 52px; height: 56px; text-align: center; font-size: 22px; font-weight: 600; font-family: var(--font-mono); color: var(--text); border: 1px solid var(--border-2); border-radius: var(--radius-md); background: var(--surface); outline: none; transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease); }
.auth-otp input:focus { border-color: var(--primary); box-shadow: var(--ring); }

@media (max-width: 480px) {
  .auth-page { justify-content: flex-start; padding-top: 28px; }
  .auth-panel { padding: 28px 20px 24px; border-radius: var(--radius-lg); }
  .auth-wordmark { font-size: 34px; }
  .auth-otp { gap: 6px; }
  .auth-otp input { height: 50px; font-size: 20px; }
}