/**
 * 主样式入口文件
 * 现代化PbootCMS模板样式系统
 * 主题色: #fc6402 (橙色)
 */

/* ========== 设计系统变量 ========== */
@import url('./variables.css');

/* ========== 基础样式重置 ========== */
@import url('./base.css');

/* ========== 组件样式 ========== */
@import url('./components/header.css');
@import url('./components/footer.css');
@import url('./components/forms.css');
@import url('./components/fab.css');

/* ========== 页面样式 ========== */
@import url('./pages/home.css');
@import url('./pages/about.css');
@import url('./pages/productlist.css');
@import url('./pages/productdetail.css');
@import url('./pages/caselist.css');
@import url('./pages/casedetail.css');
@import url('./pages/newslist.css');
@import url('./pages/newsdetail.css');
@import url('./pages/contact.css');

/* ========== 工具类 ========== */

/* 显示隐藏 */
.hidden { display: none !important; }
.visible { visibility: visible !important; }
.invisible { visibility: hidden !important; }

/* 响应式显示隐藏 */
@media (max-width: 767px) {
  .hidden-mobile { display: none !important; }
}

@media (min-width: 768px) and (max-width: 1023px) {
  .hidden-tablet { display: none !important; }
}

@media (min-width: 1024px) {
  .hidden-desktop { display: none !important; }
}

@media (max-width: 1023px) {
  .pc-only { display: none !important; }
}

@media (min-width: 1024px) {
  .mobile-only { display: none !important; }
}

/* Flex工具 */
.flex { display: flex; }
.inline-flex { display: inline-flex; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-end { justify-content: flex-end; }
.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

/* Grid工具 */
.grid { display: grid; }
.grid-cols-1 { grid-template-columns: repeat(1, 1fr); }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

/* 文本工具 */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.text-primary { color: var(--color-primary); }
.text-secondary { color: var(--text-secondary); }
.text-white { color: var(--color-white); }
.font-bold { font-weight: var(--font-bold); }
.font-medium { font-weight: var(--font-medium); }

/* 间距工具 */
.m-0 { margin: 0; }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }

.p-0 { padding: 0; }
.p-4 { padding: var(--space-4); }
.p-6 { padding: var(--space-6); }
.p-8 { padding: var(--space-8); }

/* 圆角工具 */
.rounded { border-radius: var(--radius-base); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-full { border-radius: var(--radius-full); }

/* 阴影工具 */
.shadow { box-shadow: var(--shadow-base); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }

/* 过渡工具 */
.transition { transition: var(--transition-base); }
.transition-fast { transition: var(--transition-fast); }

/* 文本截断 */
.truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.line-clamp-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.line-clamp-3 {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ========== 动画效果 ========== */

/* 淡入动画 */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.animate-fadeIn {
  animation: fadeIn var(--duration-300) var(--ease-out);
}

/* 上滑淡入 */
@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-slideUp {
  animation: slideUp var(--duration-500) var(--ease-out);
}

/* 缩放进入 */
@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.animate-scaleIn {
  animation: scaleIn var(--duration-300) var(--ease-out);
}

/* 脉冲效果 */
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.animate-pulse {
  animation: pulse 2s var(--ease-in-out) infinite;
}

/* 旋转加载 */
@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.animate-spin {
  animation: spin 1s linear infinite;
}

/* ========== 页面过渡 ========== */
.page-transition-enter {
  opacity: 0;
  transform: translateY(10px);
}

.page-transition-enter-active {
  opacity: 1;
  transform: translateY(0);
  transition: opacity var(--duration-300) var(--ease-out),
              transform var(--duration-300) var(--ease-out);
}

/* ========== 骨架屏加载 ========== */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--color-gray-200) 25%,
    var(--color-gray-100) 50%,
    var(--color-gray-200) 75%
  );
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s infinite;
  border-radius: var(--radius-base);
}

@keyframes skeleton-loading {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ========== 打印样式优化 ========== */
@media print {
  .site-header,
  .top-bar,
  .fab-wrapper,
  .back-to-top,
  .nav-toggle {
    display: none !important;
  }

  .site-footer {
    background: none !important;
    color: var(--color-black) !important;
  }

  .container {
    max-width: 100% !important;
    padding: 0 !important;
  }
}

/* ========== 减少动画偏好 ========== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}