@charset "UTF-8";
body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background-color: var(--bs-body-bg);
  transition: all 0.3s ease;
  opacity: 0;
  animation: fadeIn 0.3s ease-in forwards;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}
/* 页面过渡遮罩 */
.page-transition-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--bs-body-bg);
  z-index: 9999;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

/* 定制暗模式背景 */
[data-bs-theme=dark] body {
  background: linear-gradient(145deg, #1a1a2e 0%, #16213e 100%);
}

[data-bs-theme=light] body {
  background: linear-gradient(145deg, #f5f7fa 0%, #e4e9f2 100%);
}

/* 定制暗模式背景颜色用于页面过渡 */
[data-bs-theme=dark] .page-transition-overlay {
  background: linear-gradient(145deg, #1a1a2e 0%, #16213e 100%);
}

[data-bs-theme=light] .page-transition-overlay {
  background: linear-gradient(145deg, #f5f7fa 0%, #e4e9f2 100%);
}

.login-card {
  border: none;
  border-radius: 15px;
  box-shadow: 0 15px 25px rgba(0, 0, 0, 0.05);
  -webkit-backdrop-filter: blur(7px);
          backdrop-filter: blur(7px);
  background-color: rgba(var(--bs-body-bg-rgb), 0.8);
  transition: all 0.3s ease;
}
.login-card:hover {
  box-shadow: 0 20px 30px rgba(0, 0, 0, 0.1);
  transform: translateY(-5px);
}

.login-heading {
  font-weight: 700;
  letter-spacing: -0.5px;
}

.btn-primary {
  padding: 12px;
  font-weight: 600;
  transition: all 0.3s ease;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(var(--bs-primary-rgb), 0.4);
}

.form-control {
  padding: 12px 15px;
  border-radius: 10px;
  transition: all 0.2s ease;
}
.form-control:focus {
  box-shadow: 0 0 0 4px rgba(var(--bs-primary-rgb), 0.15);
}

.form-floating label {
  padding-left: 15px;
}

.form-check-input:checked {
  background-color: var(--bs-primary);
  border-color: var(--bs-primary);
}

.theme-toggle {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 1000;
}

.brand-logo {
  height: 40px;
  margin-bottom: 10px;
  transition: all 0.3s ease;
}

/* 响应式调整 */
@media (max-width: 576px) {
  .login-card {
    border-radius: 10px;
  }
}