/* ===========================================================================
   T-01375 login page styles -- layer 1 (2026-08-04).
   TOKENS ONLY from UIKit.css (R2): no inline hex that has a token.
   R3: inputs are full-width of their form column.
   R4: hover / active / focus-visible / disabled on every control.
   R5: 375 / 768 / 1440 breakpoints; touch targets >= 44px on phones.
   R6: labelled inputs (HTML <label for>), contrast >= 4.5:1, visible focus.
   =========================================================================== */

.login-body {
  min-height: 100vh;
  margin: 0;
  background: var(--uif-bg-void);
  color: var(--uif-text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--uif-font-sans, system-ui, -apple-system, "Segoe UI", sans-serif);
}

.login-shell {
  width: 100%;
  max-width: 420px;
  padding: var(--uif-space-4);
  box-sizing: border-box;
}

.login-card {
  display: flex;
  flex-direction: column;
  gap: var(--uif-space-4);
  padding: var(--uif-space-8) var(--uif-space-6);
  background: var(--uif-bg-primary);
  border: 1px solid var(--uif-border-default);
  border-radius: var(--uif-radius-lg);
  box-shadow: var(--uif-shadow-lg);
}

.login-head { text-align: center; }
.login-head .uif-h1 { margin: 0; color: var(--uif-text-primary); }
.login-sub { margin: var(--uif-space-2) 0 0; }

.login-field {
  display: flex;
  flex-direction: column;
  gap: var(--uif-space-2);
}

.login-input {
  width: 100%;
  box-sizing: border-box;
  padding: var(--uif-space-3) var(--uif-space-4);
  font-size: 1rem;
  color: var(--uif-text-primary);
  background: var(--uif-bg-elevated);
  border: 1px solid var(--uif-border-default);
  border-radius: var(--uif-radius-md);
  min-height: 44px;
  transition: border-color 0.15s ease, background-color 0.15s ease;
}
.login-input:hover { border-color: var(--uif-border-strong); }
.login-input:focus-visible {
  outline: 2px solid var(--uif-border-focus);
  outline-offset: 2px;
  border-color: var(--uif-border-focus);
}
.login-input:disabled { opacity: 0.55; cursor: not-allowed; }

.login-submit {
  width: 100%;
  min-height: 46px;
  justify-content: center;
  font-size: 1rem;
  cursor: pointer;
}
.login-submit:focus-visible {
  outline: 2px solid var(--uif-border-focus);
  outline-offset: 2px;
}
.login-submit:disabled { opacity: 0.6; cursor: not-allowed; }

.login-error {
  margin: 0;
  padding: var(--uif-space-3) var(--uif-space-4);
  color: var(--uif-accent-red);
  background: var(--uif-accent-red-dim);
  border: 1px solid var(--uif-border-strong);
  border-radius: var(--uif-radius-md);
  font-size: 0.9rem;
}

.login-error--warning {
  color: var(--uif-accent-amber, #f59e0b);
  background: var(--uif-accent-amber-dim, rgba(245, 158, 11, 0.12));
  border-color: var(--uif-accent-amber, #f59e0b);
}

.login-foot {
  margin: 0;
  text-align: center;
  font-size: 0.8rem;
}

/* R5 -- tablet (>= 768): card breathes a little more */
@media (min-width: 768px) {
  .login-card { padding: var(--uif-space-10) var(--uif-space-8); }
}

/* R5 -- desktop (>= 1440): center with a slightly larger card */
@media (min-width: 1440px) {
  .login-shell { max-width: 440px; }
}