/*
 * 登录页：面向公网的最小页面。只有一张居中的登录卡片，颜色全部来自共享令牌。
 */

body.login-page {
  display: grid;
  min-height: 100dvh;
  margin: 0;
  place-items: center;
  background: var(--canvas);
}

.login-shell {
  width: min(100% - 32px, 380px);
  margin: 24px auto;
}

.login-card {
  display: grid;
  gap: 18px;
  padding: 28px 26px 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface-solid);
  color: var(--text);
  box-shadow: var(--shadow-popup);
}

.login-card-header {
  display: grid;
  justify-items: center;
  gap: 10px;
}

.login-card-header .brand-mark {
  width: 40px;
  height: 40px;
}

.login-card-header h1 {
  margin: 0;
  font-size: 18px;
  font-weight: 800;
}

.login-form {
  display: grid;
  gap: 12px;
}

.login-field {
  display: grid;
  gap: 5px;
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 700;
}

.login-field input {
  min-height: 40px;
  padding: 6px 11px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  background: var(--surface-solid);
  color: var(--text);
  font: inherit;
  font-size: 14px;
}

.login-field input:focus-visible {
  outline: 3px solid var(--focus-ring);
  outline-offset: 1px;
}

.login-error {
  min-height: 18px;
  margin: 0;
  color: var(--danger);
  font-size: 12px;
  line-height: 1.5;
}

.login-error:empty {
  visibility: hidden;
}

.login-field:focus-within {
  color: var(--accent);
}

.login-field input:user-invalid {
  border-color: var(--danger);
}

.login-submit {
  min-height: 42px;
  border-color: var(--control-primary);
  background: var(--control-primary);
  color: var(--control-primary-text);
  font-size: 14px;
  font-weight: 800;
}

.login-submit:hover:not(:disabled) {
  border-color: var(--control-primary-hover);
  background: var(--control-primary-hover);
}

.login-submit:active:not(:disabled) {
  border-color: var(--control-primary-active);
  background: var(--control-primary-active);
}

.login-submit:disabled {
  cursor: progress;
  opacity: 0.7;
}

.login-card-footer {
  display: flex;
  justify-content: flex-end;
  padding-top: 6px;
  border-top: 1px solid var(--border);
}

.login-card-footer .theme-switcher {
  margin-left: 0;
}

.login-shell[data-view-state="loading"] .login-field input {
  opacity: 0.7;
}

@media (max-width: 380px) {
  .login-card {
    padding: 22px 18px 14px;
  }
}