/* 管理员登录页 */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  background: linear-gradient(145deg, #0f172a 0%, #1e1b4b 45%, #312e81 100%);
  position: relative;
  overflow: hidden;
}

.login-page::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(
      circle at 20% 30%,
      rgba(99, 102, 241, 0.35) 0%,
      transparent 45%
    ),
    radial-gradient(circle at 80% 70%, rgba(139, 92, 246, 0.25) 0%, transparent 40%);
  pointer-events: none;
}

.login-card-wrap {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 420px;
}

.login-card {
  border: none;
  border-radius: 1rem;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.35);
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(8px);
  overflow: hidden;
}

.login-card .card-body {
  padding: 2rem 2rem 1.75rem;
}

.login-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.75rem;
}

.login-brand-icon {
  width: 3rem;
  height: 3rem;
  border-radius: 0.75rem;
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  flex-shrink: 0;
}

.login-brand h1 {
  font-size: 1.15rem;
  font-weight: 700;
  color: #0f172a;
  margin: 0;
  letter-spacing: -0.02em;
}

.login-brand p {
  margin: 0.15rem 0 0;
  font-size: 0.8rem;
  color: #64748b;
}

.login-page .form-label {
  font-weight: 500;
  font-size: 0.875rem;
  color: #475569;
}

.login-page .input-group-text {
  background: #f8fafc;
  border-color: #e2e8f0;
  color: #64748b;
}

.login-page .form-control {
  border-color: #e2e8f0;
}

.login-page .form-control:focus {
  border-color: #a5b4fc;
  box-shadow: 0 0 0 0.2rem rgba(99, 102, 241, 0.15);
}

.login-page .btn-login {
  padding: 0.65rem 1rem;
  font-weight: 600;
  border-radius: 0.5rem;
  background: linear-gradient(135deg, #4f46e5, #6366f1);
  border: none;
}

.login-page .btn-login:hover {
  background: linear-gradient(135deg, #4338ca, #4f46e5);
}

.login-footer-hint {
  text-align: center;
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.45);
  margin-top: 1.5rem;
  position: relative;
  z-index: 1;
}