:root {
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-card: #334155;
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --accent: #06b6d4;
  --accent-hover: #22d3ee;
  --success: #10b981;
  --error: #ef4444;
  --border: #475569;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
}

.app {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 240px;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 20px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 20px;
  font-size: 18px;
  font-weight: 600;
}

.nav-menu {
  list-style: none;
  flex: 1;
}

.nav-menu li {
  margin-bottom: 8px;
}

.nav-menu a {
  display: block;
  padding: 12px 16px;
  border-radius: 8px;
  color: var(--text-secondary);
  text-decoration: none;
  transition: all 0.2s;
}

.nav-menu a:hover,
.nav-menu a.active {
  background: var(--bg-card);
  color: var(--text-primary);
}

.user-info {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

.avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
}

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

.user-details .user-role {
  font-size: 12px;
  color: var(--text-secondary);
}

.main-content {
  flex: 1;
  padding: 24px;
  overflow-x: auto;
}

.page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}

.page-header h1 {
  font-size: 28px;
  font-weight: 700;
}

.btn {
  padding: 10px 20px;
  border: none;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  background: var(--bg-card);
  color: var(--text-primary);
  text-decoration: none;
  display: inline-block;
}

.btn-primary {
  background: var(--accent);
  color: white;
}

.btn-primary:hover {
  background: var(--accent-hover);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 32px;
}

.stat-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
}

.stat-value {
  font-size: 32px;
  font-weight: 700;
  color: var(--accent);
}

.stat-label {
  font-size: 14px;
  color: var(--text-secondary);
  margin-top: 4px;
}

.section {
  margin-bottom: 32px;
}

.section h2 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 16px;
}

.filter-bar {
  display: flex;
  gap: 12px;
  margin-bottom: 20px;
}

.filter-bar select,
.filter-bar input {
  padding: 10px 12px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 14px;
}

.filter-bar input {
  flex: 1;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}

.project-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  transition: all 0.2s;
}

.project-card:hover {
  border-color: var(--accent);
}

.project-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 12px;
}

.project-name {
  font-size: 18px;
  font-weight: 600;
}

.project-type {
  font-size: 12px;
  padding: 4px 8px;
  border-radius: 4px;
  background: var(--bg-card);
  text-transform: uppercase;
}

.project-type.pages {
  color: #3b82f6;
}

.project-type.worker {
  color: #8b5cf6;
}

.project-url {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 16px;
  word-break: break-all;
}

.project-actions {
  display: flex;
  gap: 8px;
}

.project-actions .btn {
  flex: 1;
  padding: 8px 12px;
  font-size: 12px;
}

.zone-item {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 16px;
}

.zone-item h3 {
  margin-bottom: 12px;
}

.zone-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

.zone-meta-item label {
  display: block;
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.loading {
  padding: 20px;
  text-align: center;
  color: var(--text-secondary);
}

.error {
  padding: 12px;
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid var(--error);
  border-radius: 8px;
  color: var(--error);
  margin-bottom: 16px;
}

.success {
  padding: 12px;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid var(--success);
  border-radius: 8px;
  color: var(--success);
  margin-bottom: 16px;
}

.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1000;
  align-items: center;
  justify-content: center;
}

.modal.show {
  display: flex;
}

.modal-content {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  width: 90%;
  max-width: 500px;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.close {
  font-size: 24px;
  cursor: pointer;
  color: var(--text-secondary);
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-size: 14px;
}

.form-group input,
.form-group select {
  width: 100%;
  padding: 10px 12px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 14px;
}

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--accent);
}

.form-group small {
  display: block;
  margin-top: 4px;
  font-size: 12px;
  color: var(--text-secondary);
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  margin-top: 24px;
}

@media (max-width: 768px) {
  .sidebar {
    width: 100%;
    flex-direction: row;
    padding: 10px;
  }
  
  .nav-menu {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
  }
  
  .user-info {
    display: none;
  }
  
  .page-header {
    flex-direction: column;
    gap: 16px;
    align-items: flex-start;
  }
}