/* ══════════════════════════════════════════════════════
   LOGIN SCREEN — isolated stylesheet (auth-layer pass)

   Scoped exclusively to /ui/login.html. Reuses the shared
   design tokens (theme.css / design-tokens.css / typography.css)
   and does NOT restyle anything else in the application.
═══════════════════════════════════════════════════════ */

.login-body {
  min-height: 100vh;
  margin: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
  background:
    radial-gradient(circle at 20% 20%, var(--color-primary-light), transparent 55%),
    var(--color-surface-soft);
}

.login-card {
  width: 100%;
  max-width: 380px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: var(--space-xl);
}

.login-brand {
  text-align: center;
  margin-bottom: var(--space-lg);
}

.login-brand-name {
  font-weight: 700;
  color: var(--color-primary);
}

.login-brand-center {
  color: var(--color-text-secondary);
  margin-top: var(--space-xs);
}

.login-title {
  text-align: center;
  margin: 0 0 var(--space-xs);
  color: var(--color-text-primary);
}

.login-subtitle {
  text-align: center;
  color: var(--color-text-secondary);
  margin: 0 0 var(--space-lg);
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

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

.login-label {
  color: var(--color-text-secondary);
  font-weight: 500;
}

.login-input {
  width: 100%;
  box-sizing: border-box;
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-text-primary);
  font-family: inherit;
  font-size: 1rem;
}

.login-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

.login-error {
  margin: 0;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  background: #FDECF1;
  color: var(--color-danger);
  border: 1px solid var(--color-danger);
}

.login-error.hidden {
  display: none;
}

.login-submit {
  margin-top: var(--space-xs);
  padding: 11px 16px;
  border: none;
  border-radius: var(--radius-sm);
  background: var(--color-primary);
  color: #fff;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s ease;
}

.login-submit:hover {
  background: var(--color-primary-dark);
}

.login-submit:disabled {
  opacity: 0.6;
  cursor: default;
}