/* ============================================================
 * 社康绩效核算系统 - 布局样式
 * 侧边栏 + 内容区 + 顶部导航
 * ============================================================ */

/* ---- 全局布局 ---- */
.app-layout {
  display: grid;
  grid-template-columns: var(--sidebar-width) 1fr;
  grid-template-rows: var(--header-height) 1fr;
  grid-template-areas:
    "sidebar header"
    "sidebar main";
  min-height: 100vh;
  transition: grid-template-columns var(--transition-normal);
}

.app-layout.sidebar-collapsed {
  grid-template-columns: var(--sidebar-collapsed-width) 1fr;
}

/* ---- 侧边栏 ---- */
.sidebar {
  grid-area: sidebar;
  background: linear-gradient(180deg, #3D4177 0%, #4E53A0 100%);
  color: #fff;
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: hidden;
  z-index: 100;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  height: var(--header-height);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  flex-shrink: 0;
}
.sidebar-brand-icon {
  width: 32px;
  height: 32px;
  background: rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}
.sidebar-brand-text {
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.02em;
  white-space: nowrap;
  overflow: hidden;
}
.sidebar-collapsed .sidebar-brand-text {
  display: none;
}

.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-3) 0;
}

.sidebar-nav::-webkit-scrollbar {
  width: 3px;
}
.sidebar-nav::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-full);
}

/* 导航分组 */
.nav-group {
  margin-bottom: var(--space-2);
}
.nav-group-title {
  padding: var(--space-3) var(--space-5) var(--space-1);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  color: rgba(255, 255, 255, 0.35);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  white-space: nowrap;
  overflow: hidden;
}
.sidebar-collapsed .nav-group-title {
  display: none;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-5);
  margin: 1px var(--space-3);
  color: rgba(255, 255, 255, 0.65);
  text-decoration: none;
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  transition: all var(--transition-fast);
  white-space: nowrap;
  cursor: pointer;
}
.nav-item:hover {
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.95);
}
.nav-item.active {
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
  font-weight: var(--font-weight-medium);
}
.nav-item-icon {
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  flex-shrink: 0;
}
.nav-item-label {
  overflow: hidden;
  text-overflow: ellipsis;
}
.sidebar-collapsed .nav-item-label {
  display: none;
}
.sidebar-collapsed .nav-item {
  justify-content: center;
  padding: var(--space-2);
  margin: 1px var(--space-2);
}

/* 侧边栏底部 */
.sidebar-footer {
  padding: var(--space-3) var(--space-4);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  flex-shrink: 0;
}

/* ---- 顶部导航 ---- */
.app-header {
  grid-area: header;
  background: var(--color-card);
  border-bottom: 1px solid var(--color-border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-6);
  height: var(--header-height);
  position: sticky;
  top: 0;
  z-index: 50;
}

.header-left {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}
.header-toggle {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-text-secondary);
  padding: var(--space-2);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  font-size: 18px;
}
.header-toggle:hover {
  background: var(--color-bg);
  color: var(--color-text);
}

.page-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}
.breadcrumb a {
  color: var(--color-text-secondary);
}
.breadcrumb a:hover {
  color: var(--color-primary);
}
.breadcrumb .sep {
  color: var(--color-text-muted);
}

.header-right {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

/* 通知铃铛 */
.notification-bell {
  position: relative;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-text-secondary);
  padding: var(--space-2);
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
  font-size: 18px;
}
.notification-bell:hover {
  background: var(--color-bg);
  color: var(--color-text);
}
.notification-bell .unread-dot {
  position: absolute;
  top: 6px;
  right: 6px;
  width: 8px;
  height: 8px;
  background: var(--color-danger);
  border-radius: var(--radius-full);
  border: 2px solid var(--color-card);
}

/* 用户头像区 */
.user-menu {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  cursor: pointer;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  transition: background var(--transition-fast);
}
.user-menu:hover {
  background: var(--color-bg);
}
.user-avatar {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-accent));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
}
.user-info {
  display: flex;
  flex-direction: column;
}
.user-name {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
}
.user-role {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

/* ---- 主内容区 ---- */
.app-main {
  grid-area: main;
  overflow-y: auto;
  padding: var(--space-6);
  background: var(--color-bg);
}

/* 内容区最大宽度限制 */
.content-container {
  max-width: 1400px;
  margin: 0 auto;
}

/* ---- 页面头部 ---- */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-6);
  flex-wrap: wrap;
  gap: var(--space-4);
}
.page-header-left {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}
.page-header-right {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* ---- 网格布局 ---- */
.grid-stats {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: var(--space-4);
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

@media (max-width: 1024px) {
  .grid-3 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
}

/* ---- 登录页布局 ---- */
.login-layout {
  display: flex;
  min-height: 100vh;
  background: var(--color-bg);
}
.login-left {
  flex: 1;
  background: linear-gradient(135deg, #3D4177 0%, #7C83CC 50%, #F2A7B3 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.login-left::before {
  content: '';
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  top: -200px;
  right: -100px;
}
.login-left::after {
  content: '';
  position: absolute;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.03);
  bottom: -100px;
  left: -50px;
}
.login-left-content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: var(--space-12);
}
.login-left-content h1 {
  font-size: 2.5rem;
  font-weight: var(--font-weight-semibold);
  color: #fff;
  margin-bottom: var(--space-4);
}
.login-left-content p {
  font-size: var(--font-size-lg);
  opacity: 0.85;
  line-height: var(--line-height-relaxed);
}

.login-right {
  width: 480px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-12);
}

@media (max-width: 900px) {
  .login-left { display: none; }
  .login-right { width: 100%; }
}

/* ---- 移动端适配 ---- */
@media (max-width: 768px) {
  .app-layout {
    grid-template-columns: 1fr;
    grid-template-areas:
      "header"
      "main";
  }
  .sidebar {
    position: fixed;
    left: -100%;
    transition: left var(--transition-normal);
    z-index: 200;
    width: var(--sidebar-width);
  }
  .sidebar.mobile-open {
    left: 0;
  }
  .app-main {
    padding: var(--space-4);
  }
  .grid-stats {
    grid-template-columns: 1fr;
  }
}