/* /static/css/layouts.css - 布局相关样式 */

/* ========== 导航栏样式 ========== */
.navbar-container {
  background: linear-gradient(135deg, #ee1c25 0%, #d4000a 100%);
  box-shadow: 0 4px 20px rgba(238, 28, 37, 0.3);
  border-bottom: 2px solid rgba(255, 193, 7, 0.3);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--navbar-height);
  backdrop-filter: blur(10px);
}

.navbar-wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 100%;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.navbar-left {
  display: flex;
  align-items: center;
  flex: 1; /* 占据剩余空间 */
  min-width: 0; /* 允许内容截断 */
  overflow: hidden; /* 隐藏溢出内容 */
}

.navbar-brand {
  color: white !important;
  font-weight: 800;
  font-size: 1.6rem;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 18px;
  border-radius: 8px;
  transition: var(--transition);
  position: relative;
  letter-spacing: -0.5px;
  white-space: nowrap; /* 禁止标题换行 */
  overflow: hidden; /* 隐藏溢出 */
  text-overflow: ellipsis; /* 显示省略号 */
  max-width: 100%; /* 最大宽度100% */
  flex-shrink: 1; /* 允许收缩 */
}

.navbar-brand::after {
  content: '';
  position: absolute;
  bottom: 5px;
  left: 50%;
  width: 0;
  height: 3px;
  background: var(--secondary);
  transition: all 0.3s ease;
  transform: translateX(-50%);
  border-radius: 2px;
}

.navbar-brand:hover::after {
  width: 80%;
}

.navbar-brand:hover {
  color: var(--secondary) !important;
  transform: translateY(-2px);
  text-shadow: 0 2px 10px rgba(255, 255, 255, 0.2);
}

.navbar-brand i {
  color: var(--secondary);
  font-size: 2rem;
  transition: var(--transition);
  text-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
  flex-shrink: 0; /* 图标不允许收缩 */
}

.navbar-brand:hover i {
  color: white;
  transform: scale(1.1) rotate(5deg);
}

.navbar-right {
  display: flex;
  align-items: center;
  flex-shrink: 0; /* 防止被压缩 */
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  color: rgba(255, 255, 255, 0.95) !important;
  font-weight: 600;
  padding: 10px 18px;
  border-radius: 6px;
  text-decoration: none;
  transition: var(--transition);
  position: relative;
  font-size: 1rem;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.nav-link::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 3px;
  background: var(--secondary);
  transition: all 0.3s ease;
  transform: translateX(-50%);
  border-radius: 2px;
}

.nav-link:hover::before,
.nav-link.active::before {
  width: 70%;
}

.nav-link:hover,
.nav-link.active {
  background: rgba(255, 255, 255, 0.15);
  color: white !important;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  border-color: rgba(255, 193, 7, 0.3);
}

.mobile-toggle-btn {
  display: none;
  color: white;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  font-size: 1.5rem;
  padding: 8px 12px;
  cursor: pointer;
  margin-left: 15px;
  transition: var(--transition);
  border-radius: 6px;
  flex-shrink: 0; /* 按钮不允许收缩 */
}

.mobile-toggle-btn:hover {
  background: rgba(255, 255, 255, 0.2);
  color: var(--secondary);
  transform: scale(1.05);
}

/* 导航栏响应式 */
@media (max-width: 992px) {
  .mobile-toggle-btn {
    display: block;
    order: 2; /* 确保按钮在右侧 */
    margin-left: 10px; /* 减少左边距 */
  }
  
  .navbar-wrapper {
    flex-wrap: nowrap; /* 禁止换行 */
    justify-content: space-between; /* 两端对齐 */
    padding: 0 15px; /* 减少内边距 */
  }
  
  .navbar-left {
    flex: 1; /* 占据剩余空间 */
    min-width: 0; /* 允许内容截断 */
    overflow: hidden; /* 隐藏溢出内容 */
    display: flex;
    align-items: center;
    order: 1; /* 确保品牌在左侧 */
  }
  
  .navbar-brand {
    font-size: 1.4rem;
    padding: 8px 10px; /* 减少内边距 */
    white-space: nowrap; /* 禁止标题换行 */
    overflow: hidden; /* 隐藏溢出 */
    text-overflow: ellipsis; /* 显示省略号 */
    max-width: 100%; /* 最大宽度100% */
    flex-shrink: 1; /* 允许收缩 */
  }
  
  .navbar-brand i {
    font-size: 1.7rem;
  }
  
  .navbar-right {
    display: flex;
    align-items: center;
    flex-shrink: 0; /* 防止被压缩 */
    order: 2; /* 确保在右侧 */
  }
  
  .nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: linear-gradient(135deg, #ee1c25 0%, #d4000a 100%);
    flex-direction: column;
    padding: 1rem 20px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    border-top: 2px solid rgba(255, 193, 7, 0.3);
    border-radius: 0 0 12px 12px;
    z-index: 1001;
  }
  
  .nav-menu.active {
    display: flex;
  }
  
  .nav-link {
    width: 100%;
    margin: 4px 0;
    text-align: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
  }
}

/* 小屏幕手机端优化 */
@media (max-width: 480px) {
  .navbar-brand {
    font-size: 1.2rem;
    padding: 8px 8px; /* 进一步减少内边距 */
  }
  
  .navbar-brand i {
    font-size: 1.4rem;
  }
  
  .mobile-toggle-btn {
    padding: 8px 10px;
    font-size: 1.3rem;
    margin-left: 8px; /* 减少左边距 */
  }
  
  .navbar-wrapper {
    padding: 0 10px;
  }
}

/* 超小屏幕特殊处理 (iPhone SE, 小安卓手机) */
@media (max-width: 360px) {
  .navbar-brand {
    font-size: 1.1rem;
  }
  
  .navbar-brand i {
    font-size: 1.3rem;
  }
  
  .mobile-toggle-btn {
    padding: 7px 9px;
    font-size: 1.2rem;
  }
  
  /* 极端情况下，隐藏图标只显示文字 */
  @media (max-width: 320px) {
    .navbar-brand i {
      display: none; /* 在极小屏幕隐藏图标 */
    }
    
    .navbar-brand {
      padding: 8px 5px;
    }
  }
}

/* ========== 页脚样式 ========== */
.footer {
  background: linear-gradient(135deg, #ee1c25 0%, #d4000a 100%);
  color: rgba(255, 255, 255, 0.9);
  padding: 30px 0;
  margin-top: 60px;
  position: relative;
  overflow: hidden;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><text x="50%" y="50%" font-family="Arial" font-size="12" fill="rgba(255,255,255,0.05)" text-anchor="middle" dy=".3em">拼多多助力</text></svg>');
  background-size: 200px;
  opacity: 0.3;
}

/* 电脑端布局 - 两行 */
.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  flex-direction: column;
  gap: 15px;
  position: relative;
  z-index: 1;
}

/* 第一行：导航按钮 */
.footer-nav {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 25px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-nav-link {
  color: rgba(255, 255, 255, 0.9);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  padding: 5px 0;
  transition: all 0.3s ease;
  position: relative;
  white-space: nowrap;
}

.footer-nav-link:hover {
  color: #ffc107;
}

.footer-nav-link::after {
  content: '';
  position: absolute;
  right: -13px;
  top: 50%;
  transform: translateY(-50%);
  width: 1px;
  height: 14px;
  background: rgba(255, 255, 255, 0.2);
}

.footer-nav-link:last-child::after {
  display: none;
}

/* 第二行：版权和备案信息 */
.footer-bottom {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 25px;
  flex-wrap: wrap;
}

.footer-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.8);
  font-weight: 500;
  padding: 5px 0;
}

.footer-item a {
  color: rgba(255, 255, 255, 0.9);
  text-decoration: none;
  transition: all 0.3s ease;
  font-weight: 600;
}

.footer-item a:hover {
  color: #ffc107;
}

.footer-divider {
  width: 1px;
  height: 14px;
  background: rgba(255, 255, 255, 0.3);
}

.footer-item i {
  color: #ffc107;
  font-size: 0.9rem;
}

.footer-copyright {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.85rem;
}

/* 移动端布局 */
@media (max-width: 768px) {
  .footer-content {
    padding: 0 15px;
    gap: 15px;
  }
  
  .footer-nav {
    gap: 15px;
    flex-wrap: wrap;
    justify-content: center;
    padding-bottom: 15px;
  }
  
  .footer-nav-link {
    font-size: 0.85rem;
    padding: 4px 0;
  }
  
  .footer-nav-link::after {
    right: -8px;
    height: 12px;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }
  
  .footer-divider {
    display: none;
  }
  
  .footer {
    padding: 25px 0;
  }
  
  .footer-item {
    font-size: 0.85rem;
  }
  
  .footer-copyright {
    font-size: 0.8rem;
    margin-top: 5px;
  }
}

@media (max-width: 480px) {
  .footer-nav {
    gap: 12px;
  }
  
  .footer-nav-link {
    font-size: 0.8rem;
  }
  
  .footer-nav-link::after {
    right: -6px;
  }
}