/* ============================================
   AI客服机器人管理后台 - 登录页样式
   全屏背景 + 居中登录卡片
   ============================================ */

.auth-layout {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gray-900);
  position: relative;
  overflow: hidden;
}

/* 背景装饰：网格线 + 光晕 */
.auth-layout::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 25% 25%, rgba(59, 130, 246, 0.08) 0%, transparent 50%),
    radial-gradient(circle at 75% 75%, rgba(16, 185, 129, 0.06) 0%, transparent 50%);
}
.auth-layout::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 40px 40px;
}

/* 登录卡片 */
.auth-card {
  position: relative;
  z-index: 1;
  width: 420px;
  max-width: 90vw;
  background: rgba(255, 255, 255, 0.97);
  border-radius: var(--radius-xl);
  padding: 40px 36px;
  border: 1px solid var(--gray-200);
}

/* Logo */
.auth-logo {
  text-align: center;
  margin-bottom: 32px;
}
.auth-logo .icon {
  width: 52px;
  height: 52px;
  background: linear-gradient(135deg, var(--primary-500), var(--accent-500));
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 14px;
}
.auth-logo .icon svg {
  width: 30px;
  height: 30px;
  fill: #ffffff;
}
.auth-logo h1 {
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--gray-900);
}
.auth-logo p {
  font-size: 0.85rem;
  color: var(--gray-500);
  margin-top: 4px;
}

/* 登录表单 */
.auth-form .form-group {
  margin-bottom: 20px;
}
.auth-form .form-control {
  padding: 12px 14px;
  font-size: 0.95rem;
  border-radius: var(--radius-md);
}
.auth-form .btn-primary {
  width: 100%;
  padding: 12px;
  font-size: 0.95rem;
  border-radius: var(--radius-md);
  margin-top: 8px;
}
.auth-form .btn-primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* 记住登录 + 忘记密码 */
.auth-options {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 4px;
  font-size: 0.85rem;
}
.auth-options label {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--gray-600);
  cursor: pointer;
}
.auth-options a {
  color: var(--primary-600);
  font-size: 0.85rem;
}

/* 底部版权 */
.auth-footer {
  text-align: center;
  margin-top: 24px;
  font-size: 0.78rem;
  color: var(--gray-400);
}

/* 错误提示 */
.auth-error {
  background: var(--danger-bg);
  color: #b91c1c;
  padding: 10px 14px;
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  margin-bottom: 16px;
  display: none;
  border: 1px solid #fecaca;
}
.auth-error.show {
  display: flex;
  align-items: center;
  gap: 8px;
}