/* 响应式与底部导航对齐规则 */

@media (max-width: 768px) {
  .container {
    padding-left: 15px;
    padding-right: 15px;
  }
}

@media (max-width: 576px) {
  .container {
    padding-left: 10px;
    padding-right: 10px;
  }
  .bottom-nav {
    padding: 0.25rem 0;
  }
  .bottom-nav .nav-icon {
    font-size: 1.2rem !important;
    margin-bottom: 0.2rem !important;
  }
  .bottom-nav .nav-item small {
    font-size: 0.7rem !important;
  }
  .bottom-nav .nav-item {
    min-height: 55px !important;
    padding: 0.4rem 0.2rem !important;
  }
}

@media (max-width: 375px) {
  .container {
    padding-left: 8px;
    padding-right: 8px;
  }
  .bottom-nav .nav-icon {
    font-size: 1.1rem !important;
    margin-bottom: 0.15rem !important;
  }
  .bottom-nav .nav-item small {
    font-size: 0.65rem !important;
  }
  .bottom-nav .nav-item {
    min-height: 50px !important;
    padding: 0.3rem 0.15rem !important;
  }
}

.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: white;
  border-top: 1px solid #e9ecef;
  padding: 0.5rem 0;
  z-index: 1000;
  display: flex;
  align-items: stretch;
  justify-content: space-around;
}

.bottom-nav .nav-item {
  display: flex !important;
  flex-direction: column !important;
  align-items: center !important;
  justify-content: center !important;
  text-align: center !important;
  flex: 1 1 0;
  min-height: 60px !important;
  padding: 0.5rem 0.25rem !important;
  color: #6c757d !important;
  text-decoration: none !important;
  border-radius: 10px !important;
}

.bottom-nav .nav-item.active {
  color: #3b82f6 !important;
  background: rgba(59, 130, 246, 0.1) !important;
  font-weight: 800;
}

/* 避免 Bootstrap 同名类影响点击区高度 */
.bottom-nav .nav-item:focus,
.bottom-nav .nav-item:active {
  outline: none;
}

.bottom-nav .nav-icon {
  display: block !important;
  margin-bottom: 0.25rem !important;
  line-height: 1 !important;
  font-size: 1.5rem !important;
  width: 100% !important;
  text-align: center !important;
}

.bottom-nav .nav-item small {
  display: block !important;
  line-height: 1 !important;
  font-size: 0.75rem !important;
  margin: 0 !important;
  width: 100% !important;
  text-align: center !important;
}