/* 登录页 - 淡蓝渐变背景 */
:root {
  --login-bg-soft: #eef7fd;
  --login-bg: #dceefb;
  --login-bg-deep: #b8daf5;
  --login-bg-accent: #a8cff0;
  --login-primary: #4a94d4;
  --login-primary-light: #6aafd8;
  --login-primary-dark: #3578b8;
  --login-focus: #5ba3d9;
  --login-title: #2b5f8a;
  --login-text: #3d3d3d;
  --login-muted: #6b7280;
  --login-border: #d4e4f0;
}

body.login-page {
  min-height: 100vh;
  max-width: none;
  width: 100%;
  margin: 0;
  padding: 32px 16px;
  background: linear-gradient(
    150deg,
    var(--login-bg-soft) 0%,
    var(--login-bg) 25%,
    var(--login-bg-deep) 60%,
    var(--login-bg-accent) 100%
  );
  display: flex;
  align-items: center;
  justify-content: center;
}

body.login-page::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 75% 55% at 12% 12%, rgba(255, 255, 255, 0.55) 0, transparent 58%),
    radial-gradient(ellipse 60% 50% at 90% 88%, rgba(120, 180, 230, 0.18) 0, transparent 52%);
  pointer-events: none;
}

body.login-page::after {
  content: "";
  position: fixed;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.25) 0%,
    transparent 40%,
    rgba(80, 130, 180, 0.06) 100%
  );
  pointer-events: none;
}

body.login-page .login-box {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 400px;
  margin: 0 auto;
  padding: 0;
}

body.login-page .login-box .logo {
  margin-bottom: 24px;
  text-align: center;
}

body.login-page .login-box .logo a {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

body.login-page .login-box .logo .login-logo-img {
  width: 88px;
  height: 88px;
  object-fit: contain;
  border-radius: 18px;
  box-shadow: 0 10px 28px rgba(43, 95, 138, 0.15);
}

body.login-page .login-box .logo .login-brand-name {
  font-size: 32px;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--login-title);
  text-shadow: none;
  white-space: nowrap;
}

body.login-page .login-box > .row:last-child {
  margin-top: 20px;
}

body.login-page .login-box > .row:last-child small {
  color: #5a7d9a !important;
  font-size: 12px;
}

.login-card {
  border: none;
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 18px 48px rgba(43, 95, 138, 0.12);
  overflow: hidden;
}

.login-card .body {
  padding: 32px 28px 28px;
}

.login-card-title {
  margin: 0 0 6px;
  font-size: 20px;
  font-weight: 600;
  color: var(--login-text);
  text-align: center;
}

.login-card-desc {
  margin: 0 0 24px;
  font-size: 13px;
  color: var(--login-muted);
  text-align: center;
}

.login-card .input-group {
  width: 100%;
  margin-bottom: 14px;
  border: 1px solid var(--login-border);
  border-radius: 10px;
  background: #f8fbfe;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.login-card .input-group:focus-within {
  border-color: var(--login-focus);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(74, 148, 212, 0.18);
}

.login-card .input-group-addon {
  border: none;
  background: transparent;
  padding: 0 0 0 14px;
  color: #8eb5d4;
}

.login-card .input-group-addon .material-icons {
  font-size: 20px;
  line-height: 1;
  vertical-align: middle;
}

.login-card .form-line {
  width: 100%;
}

.login-card .form-line::after {
  display: none;
}

.login-card .form-control {
  height: 46px;
  border: none;
  background: transparent;
  box-shadow: none;
  padding: 12px 14px 12px 4px;
  font-size: 14px;
  color: var(--login-text);
}

.login-card .form-control:focus {
  box-shadow: none;
}

.login-card .form-control::placeholder {
  color: #b5aca4;
}

.login-card-options {
  display: flex;
  align-items: center;
  margin: 6px 0 22px;
}

.login-card-options label {
  margin: 0;
  font-size: 13px;
  color: #666;
  font-weight: 400;
}

.login-card .btn-login {
  width: 100%;
  height: 46px;
  border: none;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--login-primary-light) 0%, var(--login-primary) 55%, var(--login-primary-dark) 100%);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 2px;
  box-shadow: 0 8px 20px rgba(53, 120, 184, 0.28);
  transition: background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.login-card .btn-login:hover,
.login-card .btn-login:focus {
  color: #fff;
  background: linear-gradient(135deg, var(--login-primary) 0%, var(--login-primary-dark) 100%);
  transform: translateY(-1px);
  box-shadow: 0 10px 24px rgba(53, 120, 184, 0.36);
}

.login-card-register {
  margin-top: 18px;
  text-align: center;
}

.login-card-register a {
  font-size: 13px;
  color: var(--login-primary-dark);
  text-decoration: none;
}

.login-card-register a:hover {
  color: var(--login-primary);
  text-decoration: underline;
}

@media (max-width: 480px) {
  body.login-page {
    padding: 20px 12px;
  }

  .login-card .body {
    padding: 26px 20px 22px;
  }

  body.login-page .login-box .logo .login-logo-img {
    width: 76px;
    height: 76px;
  }

  body.login-page .login-box .logo .login-brand-name {
    font-size: 24px;
    letter-spacing: 0.5px;
  }
}

.social-icons {
  padding-left: 0;
}

.social-icons a.btn-sm {
  margin-right: 5px;
}