/* base.css - 基础样式和布局 */

/* 基础重置 */
* { 
  box-sizing: border-box; 
  margin: 0; 
  padding: 0; 
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--background-light);
  color: var(--text-primary);
  line-height: 1.5;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  min-height: 100vh;
  padding: 20px;
  font-size: 15px;
}

/* 主容器布局 */
.container {
  width: 100%;
  max-width: 1600px;
  display: grid;
  grid-template-columns: minmax(var(--left-sidebar-width), var(--left-sidebar-width)) 1fr minmax(var(--right-sidebar-width), var(--right-sidebar-width));
  gap: 20px;
  height: calc(100vh - 40px);
  max-height: 95vh;
  position: relative;
}

/* 侧边栏折叠状态 */
.container.left-sidebar-collapsed {
  grid-template-columns: var(--sidebar-collapsed-width) 1fr minmax(var(--right-sidebar-width), var(--right-sidebar-width));
}

.container.right-sidebar-collapsed {
  grid-template-columns: minmax(var(--left-sidebar-width), var(--left-sidebar-width)) 1fr var(--sidebar-collapsed-width);
}

.container.both-sidebars-collapsed {
  grid-template-columns: var(--sidebar-collapsed-width) 1fr var(--sidebar-collapsed-width);
}

/* 响应式布局规则 */
@media (max-width: 1400px) {
  .container {
    grid-template-columns: 240px 1fr 280px;
    gap: 16px;
  }
}

@media (max-width: 1100px) {
  .container {
    grid-template-columns: 240px 1fr 60px;
  }
  
  .right-sidebar {
    position: absolute;
    right: 0;
    height: 100%;
    width: 280px;
    transform: translateX(calc(100% - 60px));
    transition: transform var(--transition-normal);
    z-index: var(--z-index-sidebar);
  }
  
  .right-sidebar.expanded {
    transform: translateX(0);
  }
}

@media (max-width: 900px) {
  .container {
    grid-template-columns: 60px 1fr 60px;
  }
  
  .left-sidebar {
    position: absolute;
    left: 0;
    height: 100%;
    width: 240px;
    transform: translateX(calc(-100% + 60px));
    transition: transform var(--transition-normal);
    z-index: var(--z-index-sidebar);
  }
  
  .left-sidebar.expanded {
    transform: translateX(0);
  }
}

@media (max-width: 600px) {
  body { 
    padding: 0; 
    align-items: stretch; 
  }
  
  .container {
    grid-template-columns: 1fr;
    height: 100vh;
    max-height: none;
    border-radius: 0;
    gap: 0;
  }
  
  .left-sidebar, .right-sidebar {
    position: fixed;
    top: 0;
    height: 100vh;
    z-index: var(--z-index-sidebar);
  }
  
  .left-sidebar {
    left: -240px;
    width: 240px;
    transition: left var(--transition-normal);
  }
  
  .right-sidebar {
    right: -280px;
    width: 280px;
    transition: right var(--transition-normal);
  }
  
  .left-sidebar.expanded {
    left: 0;
    transform: none;
  }
  
  .right-sidebar.expanded {
    right: 0;
    transform: none;
  }
  
  .main {
    border-radius: 0;
  }
}

/* 通用布局与状态样式 */
.center-content {
  display: flex;
  align-items: center;
  justify-content: center;
}

.flex-row {
  display: flex;
  flex-direction: row;
  align-items: center;
}

.flex-column {
  display: flex;
  flex-direction: column;
}

.flex-grow {
  flex-grow: 1;
}

.hidden {
  display: none !important;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: 8px;
}

.status-dot.success { background-color: var(--success); }
.status-dot.warning { background-color: var(--warning); }
.status-dot.error { background-color: var(--error); }

/* 排版样式 */
h1, h2, h3, h4, h5, h6 { 
  color: var(--text-primary); 
  margin-bottom: 10px; 
  font-weight: 600; 
}

h1 { font-size: 1.5rem; }
h2 { 
  font-size: 1.2rem;
  margin-bottom: 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-color-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

h2 small { 
  font-size: 0.7em; 
  font-weight: 400; 
  color: var(--text-muted); 
  margin-left: 8px; 
}

h3 { 
  font-size: 0.95rem;
  margin-bottom: 8px;
  color: var(--text-secondary); 
  font-weight: 500;
}

h4 { font-size: 0.9rem; }
h5 { font-size: 0.85rem; }
h6 { font-size: 0.8rem; }

/* 滚动条样式 */
*::-webkit-scrollbar { 
  width: 6px; 
  height: 6px;
}

*::-webkit-scrollbar-track { 
  background: transparent; 
}

*::-webkit-scrollbar-thumb { 
  background-color: var(--gray-300); 
  border-radius: 3px; 
}

*::-webkit-scrollbar-thumb:hover { 
  background-color: var(--gray-400); 
}

/* 加载动画 */
.spinner {
  border: 3px solid var(--border-color-light);
  width: 18px; 
  height: 18px;
  border-radius: 50%; 
  border-left-color: var(--primary);
  animation: spin 1s linear infinite; 
  margin: 0;
}

@keyframes spin { 
  0% { transform: rotate(0deg); } 
  100% { transform: rotate(360deg); } 
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}