/* =============================================
   登录页整体布局
   ============================================= */
html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  margin: 0;
  padding: 0;
}

body {
  background: linear-gradient(135deg, #0a2463 0%, #1557b0 45%, #2e7de0 100%);
  font-family: "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
}

.page-header {
  width: 100%;
  height: 100vh;
}

/* =============================================
   左侧插图区
   ============================================= */
.login-left-box {
  position: relative;
  overflow: hidden;
}

.login-left-img {
  height: calc(100vh - 3rem);
  margin: 1.5rem !important;
  background-image: url('/static/image/login_left_bg.png');
  background-size: cover;
  background-position: center bottom;
  border-radius: 16px;
  position: relative;
  overflow: hidden;
}

/* 左侧图下方叠加一层渐变遮罩，使图片和背景融合 */
.login-left-img::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 40%;
  background: linear-gradient(to top, rgba(10, 36, 99, 0.55), transparent);
  border-radius: 0 0 16px 16px;
}

/* 左侧标语文字 */
.login-left-slogan {
  position: absolute;
  bottom: 2.5rem;
  left: 2rem;
  right: 2rem;
  z-index: 2;
  color: #fff;
}

.login-left-slogan h2 {
  font-size: 26px;
  font-weight: 700;
  margin-bottom: 6px;
  text-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

.login-left-slogan p {
  font-size: 14px;
  color: rgba(255,255,255,0.8);
  margin: 0;
}

/* =============================================
   右侧表单区
   ============================================= */
.login-form {
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.login-form .card {
  width: 420px;
  min-width: 0;
  margin: 0;
  padding: 40px 44px 32px;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: 16px;
  box-shadow: 0 20px 60px rgba(10, 36, 99, 0.25), 0 4px 16px rgba(0,0,0,0.08);
}

.login-form .card-header {
  background-color: transparent;
  border-bottom: 0;
  padding: 0 0 20px 0;
  text-align: center;
}

/* 登录标题 */
.login-title {
  font-size: 26px;
  font-weight: 700;
  color: #1557b0;
  letter-spacing: 6px;
  margin-bottom: 4px;
}

.login-subtitle {
  font-size: 13px;
  color: #999;
  letter-spacing: 1px;
}

/* =============================================
   表单控件
   ============================================= */
.login-form-item {
  margin-bottom: 20px;
}

.form-label {
  font-size: 14px;
  font-weight: 600;
  color: #444 !important;
  margin-bottom: 6px;
  display: block;
}

.form-control {
  height: 44px;
  font-size: 14px;
  line-height: 44px;
  border-radius: 8px;
  border: 1px solid #dce3ef;
  background: #f7f9fc;
  color: #333;
  transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
  padding: 0 14px;
}

.form-control:focus {
  border-color: #2e7de0;
  background: #fff;
  box-shadow: 0 0 0 3px rgba(46, 125, 224, 0.12);
  outline: none;
}

.form-control::placeholder {
  color: #bbb;
  font-size: 13px;
}

/* =============================================
   账号输入框（带下拉历史）
   ============================================= */
.login_input {
  position: relative;
}

.login_input .form-control {
  padding-right: 50px;
}

#select-name {
  width: 44px;
  height: 44px;
  line-height: 44px;
  font-size: 16px;
  color: #999;
  position: absolute;
  top: 50%;
  right: 0;
  transform: translateY(-50%);
  text-align: center;
  cursor: pointer;
  transition: color 0.2s;
}

#select-name:hover {
  color: #2e7de0;
}

#options-name {
  min-width: 100%;
  height: auto;
  border-radius: 8px;
  background-color: #fff;
  box-shadow: 0 8px 24px rgba(0,0,0,0.12);
  position: absolute;
  top: 48px;
  left: 0;
  z-index: 999;
  border: 1px solid #eaeaea;
  overflow: hidden;
}

#options-name::before {
  content: "";
  display: block;
  position: absolute;
  right: 16px;
  top: -7px;
  border-width: 7px;
  border-style: dashed dashed solid dashed;
  border-color: transparent transparent #eaeaea transparent;
}

.option-name {
  padding: 9px 16px;
  color: #555;
  font-size: 14px;
  cursor: pointer;
  transition: background 0.15s;
}

.option-name:hover {
  background-color: #f0f6ff;
  color: #1557b0;
}

/* =============================================
   密码切换图标
   ============================================= */
.position-relative {
  position: relative;
}

#togglePassword {
  width: 44px;
  text-align: center;
  position: absolute;
  top: 50%;
  right: 0;
  transform: translateY(-50%);
  color: #bbb;
  cursor: pointer;
  transition: color 0.2s;
  height: 44px;
  line-height: 44px;
  font-size: 15px;
}

#togglePassword:hover {
  color: #2e7de0;
}

/* =============================================
   登录按钮
   ============================================= */
.btn-primary {
  background: linear-gradient(135deg, #1557b0, #2e7de0) !important;
  border: none !important;
  border-radius: 8px !important;
  height: 46px;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 4px;
  color: #fff !important;
  box-shadow: 0 4px 16px rgba(21, 87, 176, 0.35);
  transition: all 0.25s;
}

.btn-primary:hover {
  background: linear-gradient(135deg, #0e459c, #1e6dd0) !important;
  box-shadow: 0 6px 20px rgba(21, 87, 176, 0.45);
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-primary:disabled {
  opacity: 0.7;
  transform: none;
}

/* =============================================
   底部链接
   ============================================= */
.login-footer-links {
  display: flex;
  justify-content: flex-end;
  gap: 16px;
  margin-top: 14px;
}

.login-footer-links a {
  font-size: 13px;
  color: #999;
  text-decoration: none;
  transition: color 0.2s;
}

.login-footer-links a:hover {
  color: #2e7de0;
}

/* =============================================
   隐藏工具类
   ============================================= */
.hide {
  display: none;
}

/* =============================================
   响应式
   ============================================= */
@media (max-width: 992px) {
  .login-form {
    padding: 0 20px;
  }
  .login-form .card {
    width: 100%;
    max-width: 440px;
  }
}

@media (max-width: 500px) {
  .login-form .card {
    width: 100%;
    padding: 32px 24px 24px;
    border-radius: 12px;
  }

  .login-title {
    font-size: 22px;
  }
}