.dashboard-layout { display: flex; min-height: 100vh; background: #0f1117; }

.sidebar {
  width: 260px; background: rgba(255,255,255,0.03); border-right: 1px solid rgba(255,255,255,0.06);
  display: flex; flex-direction: column; padding: 24px 16px; position: fixed; top: 0; left: 0; bottom: 0; z-index: 10;
}
.sidebar-header { display: flex; align-items: center; gap: 10px; padding: 0 8px; margin-bottom: 32px; flex-wrap: wrap; }
.sidebar-header .logo-icon { font-size: 28px; }
.sidebar-header h2 { font-size: 20px; font-weight: 700; color: #fff; margin: 0; }
.role-badge { background: linear-gradient(135deg, #667eea, #764ba2); color: #fff; font-size: 11px; font-weight: 600; padding: 3px 10px; border-radius: 20px; text-transform: uppercase; }
.sidebar-nav { display: flex; flex-direction: column; gap: 4px; flex: 1; }
.nav-item { display: flex; align-items: center; gap: 12px; padding: 12px 16px; border-radius: 12px; color: rgba(255,255,255,0.6); text-decoration: none; font-size: 14px; font-weight: 500; transition: all 0.2s; }
.nav-item:hover { background: rgba(255,255,255,0.06); color: #fff; }
.nav-item.active { background: rgba(102,126,234,0.15); color: #667eea; }
.nav-icon { font-size: 18px; }
.sidebar-footer { border-top: 1px solid rgba(255,255,255,0.06); padding-top: 16px; }
.user-info { display: flex; align-items: center; gap: 12px; padding: 8px; margin-bottom: 12px; }
.user-avatar { width: 38px; height: 38px; border-radius: 10px; background: linear-gradient(135deg, #667eea, #764ba2); display: flex; align-items: center; justify-content: center; color: #fff; font-weight: 700; font-size: 16px; }
.user-details { display: flex; flex-direction: column; }
.user-name { color: #fff; font-size: 13px; font-weight: 600; }
.user-email { color: rgba(255,255,255,0.4); font-size: 11px; }
.logout-btn { width: 100%; padding: 10px; background: rgba(239,68,68,0.1); border: 1px solid rgba(239,68,68,0.2); border-radius: 10px; color: #f87171; font-size: 13px; font-weight: 600; cursor: pointer; transition: all 0.2s; display: flex; align-items: center; justify-content: center; gap: 8px; font-family: inherit; }
.logout-btn:hover { background: rgba(239,68,68,0.2); }

.main-content { flex: 1; margin-left: 260px; padding: 40px; }
.page-header { margin-bottom: 32px; }
.page-header h1 { font-size: 28px; font-weight: 700; color: #fff; margin: 0 0 8px; }
.page-header p { color: rgba(255,255,255,0.5); font-size: 15px; margin: 0; }

.filter-tabs { display: flex; gap: 8px; margin-bottom: 24px; }
.tab {
  padding: 10px 20px; border-radius: 10px; border: 1px solid rgba(255,255,255,0.1);
  background: transparent; color: rgba(255,255,255,0.5); font-size: 13px; font-weight: 600;
  cursor: pointer; transition: all 0.2s; font-family: inherit;
}
.tab:hover { border-color: rgba(255,255,255,0.2); color: #fff; }
.tab.active { background: rgba(102,126,234,0.15); border-color: rgba(102,126,234,0.3); color: #667eea; }

.loading-state { display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 80px 0; gap: 16px; }
.loader { width: 40px; height: 40px; border: 3px solid rgba(255,255,255,0.1); border-top-color: #667eea; border-radius: 50%; animation: spin 0.8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.loading-state p { color: rgba(255,255,255,0.5); }

.empty-state { text-align: center; padding: 80px 0; }
.empty-icon { font-size: 48px; display: block; margin-bottom: 16px; }
.empty-state h3 { color: #fff; font-size: 18px; margin: 0 0 8px; }
.empty-state p { color: rgba(255,255,255,0.5); font-size: 14px; margin: 0; }

.users-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 16px; }

.user-card {
  display: flex; align-items: center; gap: 16px; padding: 20px;
  background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.08);
  border-radius: 16px; text-decoration: none; transition: all 0.25s; cursor: pointer;
}
.user-card:hover { background: rgba(255,255,255,0.07); border-color: rgba(255,255,255,0.15); transform: translateY(-2px); }

.user-card-avatar {
  width: 48px; height: 48px; border-radius: 14px;
  background: linear-gradient(135deg, #667eea, #764ba2);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 700; font-size: 20px; flex-shrink: 0;
}

.user-card-info { flex: 1; }
.user-card-info h4 { color: #fff; font-size: 15px; font-weight: 600; margin: 0 0 4px; }
.user-card-info p { color: rgba(255,255,255,0.5); font-size: 13px; margin: 0 0 4px; }
.user-joined { color: rgba(255,255,255,0.3); font-size: 11px; }

.status-dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: rgba(255,255,255,0.2); flex-shrink: 0;
}
.status-dot.online { background: #4ade80; box-shadow: 0 0 8px rgba(74,222,128,0.4); }

.view-arrow { color: rgba(255,255,255,0.2); font-size: 20px; transition: all 0.2s; }
.user-card:hover .view-arrow { color: rgba(255,255,255,0.6); transform: translateX(4px); }

@media (max-width: 768px) {
  .sidebar { width: 100%; position: relative; border-right: none; border-bottom: 1px solid rgba(255,255,255,0.06); }
  .main-content { margin-left: 0; padding: 24px; }
  .dashboard-layout { flex-direction: column; }
  .users-grid { grid-template-columns: 1fr; }
}
