/* ========================================
   PAGE: 登录/注册
   ======================================== */
.page-auth {
  justify-content: center;
  padding: var(--space-6);
  background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-secondary) 100%);
}

.auth-logo {
  text-align: center;
  margin-bottom: var(--space-12);
}

.auth-logo h1 {
  font-size: 36px;
  font-weight: 700;
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-fading) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.auth-logo p {
  font-size: 14px;
  color: var(--color-text-muted);
  margin-top: var(--space-2);
}

.auth-form {
  width: 100%;
  max-width: 320px;
  margin: 0 auto;
}

.auth-input-group {
  margin-bottom: var(--space-4);
}

.auth-label {
  display: block;
  font-size: 13px;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2);
}

.auth-input {
  width: 100%;
  padding: var(--space-4);
  background: var(--color-surface);
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  font-size: 16px;
  color: var(--color-text-primary);
  font-family: inherit;
  transition: border-color 0.2s ease;
}

.auth-input:focus {
  outline: none;
  border-color: var(--color-accent);
}

.auth-input::placeholder {
  color: var(--color-text-muted);
}

.auth-actions {
  margin-top: var(--space-6);
}

.auth-actions .btn {
  margin-bottom: var(--space-3);
}

.auth-divider {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin: var(--space-6) 0;
}

.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: rgba(255,255,255,0.1);
}

.auth-divider span {
  font-size: 12px;
  color: var(--color-text-muted);
}

.auth-social {
  display: flex;
  justify-content: center;
  gap: var(--space-4);
}

.social-btn {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-surface);
  border-radius: 50%;
  font-size: 20px;
  cursor: pointer;
  transition: background 0.2s ease;
}

.social-btn:hover {
  background: var(--color-surface-elevated);
}

.auth-footer {
  text-align: center;
  margin-top: var(--space-8);
}

.auth-footer p {
  font-size: 14px;
  color: var(--color-text-muted);
}

.auth-footer a {
  color: var(--color-accent);
  text-decoration: none;
  cursor: pointer;
}

.auth-footer a:hover {
  text-decoration: underline;
}