/* layout.css */
.app-container {
  display: flex;
  height: 100vh;
}

/* Sidebar */
.sidebar {
  width: var(--sidebar-width);
  background-color: var(--sidebar-bg);
  display: flex;
  flex-direction: column;
  position: fixed;
  height: 100vh;
  z-index: 100;
  transition: transform var(--transition);
}

.sidebar-logo {
  padding: 24px 20px;
  border-bottom: 1px solid var(--primary);
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--bg);
  font-weight: 700;
  font-size: 1.125rem;
}

.sidebar-user {
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--bg);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 16px 12px;
  gap: 4px;
  overflow-y: auto;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  border-radius: var(--radius-md);
  color: #999;
  text-decoration: none;
  transition: all var(--transition);
  cursor: pointer;
}

.nav-item:hover {
  background-color: rgba(255, 246, 0, 0.1);
  color: var(--primary);
}

.nav-item.active {
  background-color: var(--primary);
  color: var(--dark);
  font-weight: 600;
}

.nav-item .nav-icon {
  width: 20px;
  height: 20px;
}

.nav-label {
  font-size: 14px;
}

.sidebar-footer {
  padding: 16px 12px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-overlay {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 99;
}

/* Main Content */
.main-wrapper {
  margin-left: var(--sidebar-width);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  flex: 1;
  transition: margin-left var(--transition);
}

/* Topbar */
.topbar {
  position: sticky;
  top: 0;
  background-color: var(--bg);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  z-index: 50;
  box-shadow: var(--shadow-sm);
}

.topbar-left, .topbar-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--dark);
}

.page-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--dark);
}

.topbar-user {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
}

.user-avatar-sm {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--primary);
}

.user-name {
  font-size: 14px;
  font-weight: 500;
}

/* Page Content */
.page-content {
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding: 24px;
  flex: 1;
}

.page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.page-header-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--dark);
}

.page-header-subtitle {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-top: 4px;
}

/* Responsive */
@media (max-width: 1024px) {
  .sidebar {
    transform: translateX(-100%);
  }
  .main-wrapper {
    margin-left: 0;
  }
  .menu-toggle {
    display: block;
  }
  
  body.sidebar-open .sidebar {
    transform: translateX(0);
  }
  body.sidebar-open .sidebar-overlay {
    display: block;
  }
}

@media (max-width: 768px) {
  .page-content {
    padding: 16px;
    gap: 16px;
  }
}

@media (max-width: 480px) {
  .page-header {
    flex-direction: column;
    align-items: flex-start;
  }
}