:root {
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --success: #16a34a;
  --danger: #dc2626;
  --warning: #d97706;
  --bg: #f8fafc;
  --surface: #ffffff;
  --border: #e2e8f0;
  --text: #1e293b;
  --text-secondary: #64748b;
  --sidebar-bg: #1e293b;
  --sidebar-text: #cbd5e1;
  --sidebar-active: #2563eb;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

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

.sidebar {
  width: 240px;
  background: var(--sidebar-bg);
  color: var(--sidebar-text);
  padding: 0;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
}

.sidebar-header {
  padding: 20px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.sidebar-header h1 {
  font-size: 16px;
  color: #fff;
  font-weight: 700;
}

.sidebar-header p {
  font-size: 11px;
  color: var(--sidebar-text);
  margin-top: 4px;
}

.sidebar-nav {
  padding: 12px 0;
  flex: 1;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  cursor: pointer;
  transition: all 0.15s;
  font-size: 14px;
  color: var(--sidebar-text);
  border-left: 3px solid transparent;
}

.nav-item:hover {
  background: rgba(255,255,255,0.05);
  color: #fff;
}

.nav-item.active {
  background: rgba(37, 99, 235, 0.15);
  color: #fff;
  border-left-color: var(--sidebar-active);
}

.nav-item .icon {
  width: 18px;
  text-align: center;
  font-size: 16px;
}

.main-content {
  flex: 1;
  padding: 24px 32px;
  overflow-y: auto;
  max-height: 100vh;
}

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

.page-header h2 {
  font-size: 22px;
  font-weight: 700;
}

.section {
  display: none;
}

.section.active {
  display: block;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
}

.stat-card .label {
  font-size: 12px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}

.stat-card .value {
  font-size: 28px;
  font-weight: 700;
}

.stat-card .value.success { color: var(--success); }
.stat-card .value.danger { color: var(--danger); }
.stat-card .value.warning { color: var(--warning); }
.stat-card .value.primary { color: var(--primary); }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
  margin-bottom: 16px;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.card-header h3 {
  font-size: 16px;
  font-weight: 600;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border: none;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
}
.btn-primary:hover { background: var(--primary-hover); }

.btn-success {
  background: var(--success);
  color: #fff;
}
.btn-success:hover { background: #15803d; }

.btn-danger {
  background: var(--danger);
  color: #fff;
}
.btn-danger:hover { background: #b91c1c; }

.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}
.btn-outline:hover { background: var(--bg); }

.btn-sm {
  padding: 5px 10px;
  font-size: 12px;
}

.btn-icon {
  padding: 6px 8px;
  min-width: auto;
}

.btn-group {
  display: flex;
  gap: 6px;
}

table {
  width: 100%;
  border-collapse: collapse;
}

thead th {
  text-align: left;
  padding: 10px 12px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

tbody td {
  padding: 12px;
  font-size: 13px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

tbody tr:hover {
  background: var(--bg);
}

.badge {
  display: inline-block;
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
}

.badge-success { background: #dcfce7; color: #166534; }
.badge-danger { background: #fef2f2; color: #991b1b; }
.badge-warning { background: #fefce8; color: #854d0e; }
.badge-info { background: #eff6ff; color: #1e40af; }
.badge-neutral { background: #f1f5f9; color: #475569; }

.badge-source { background: #ede9fe; color: #6d28d9; }
.badge-target { background: #e0f2fe; color: #0369a1; }

.status-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: 6px;
}

.status-dot.active { background: var(--success); }
.status-dot.inactive { background: var(--danger); }

.modal-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0,0,0,0.5);
  z-index: 1000;
  justify-content: center;
  align-items: flex-start;
  padding-top: 80px;
}

.modal-overlay.active {
  display: flex;
}

.modal {
  background: var(--surface);
  border-radius: 12px;
  width: 100%;
  max-width: 520px;
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}

.modal-header h3 {
  font-size: 16px;
  font-weight: 600;
}

.modal-close {
  background: none;
  border: none;
  font-size: 20px;
  cursor: pointer;
  color: var(--text-secondary);
  padding: 4px;
}

.modal-body {
  padding: 20px;
}

.modal-footer {
  padding: 16px 20px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

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

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 6px;
  color: var(--text);
}

.form-group input,
.form-group select {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 13px;
  background: var(--surface);
  color: var(--text);
}

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.form-check {
  display: flex;
  align-items: center;
  gap: 8px;
}

.form-check input[type="checkbox"] {
  width: auto;
}

.toggle-container {
  display: flex;
  align-items: center;
  gap: 12px;
}

.toggle {
  position: relative;
  width: 44px;
  height: 24px;
  cursor: pointer;
}

.toggle input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: #cbd5e1;
  border-radius: 24px;
  transition: 0.2s;
}

.toggle-slider::before {
  content: '';
  position: absolute;
  width: 18px;
  height: 18px;
  left: 3px;
  bottom: 3px;
  background: #fff;
  border-radius: 50%;
  transition: 0.2s;
}

.toggle input:checked + .toggle-slider {
  background: var(--success);
}

.toggle input:checked + .toggle-slider::before {
  transform: translateX(20px);
}

.empty-state {
  text-align: center;
  padding: 48px 20px;
  color: var(--text-secondary);
}

.empty-state .icon {
  font-size: 40px;
  margin-bottom: 12px;
}

.empty-state p {
  font-size: 14px;
}

.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  padding: 12px 20px;
  border-radius: 8px;
  font-size: 13px;
  color: #fff;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  animation: slideIn 0.3s ease;
  max-width: 360px;
}

.toast.success { background: var(--success); }
.toast.error { background: var(--danger); }
.toast.warning { background: var(--warning); }

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
}

.pagination .btn {
  min-width: 36px;
  justify-content: center;
}

.pagination .page-info {
  font-size: 13px;
  color: var(--text-secondary);
}

.order-detail-row td {
  padding: 0;
}

.order-detail-content {
  padding: 12px 20px;
  background: var(--bg);
  border-top: none;
}

.replicated-orders-table {
  width: 100%;
  margin-top: 8px;
}

.replicated-orders-table th {
  font-size: 10px;
  padding: 6px 8px;
}

.replicated-orders-table td {
  font-size: 12px;
  padding: 8px;
}

.loading-spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.settings-section {
  margin-bottom: 24px;
}

.settings-section h4 {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--text);
}

.setting-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
}

.setting-row:last-child {
  border-bottom: none;
}

.setting-info .setting-label {
  font-size: 13px;
  font-weight: 500;
}

.setting-info .setting-desc {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 2px;
}

.text-truncate {
  max-width: 120px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  display: inline-block;
}

.live-feed-container {
  max-height: 500px;
  overflow-y: auto;
  padding: 0;
}

.feed-event {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
  animation: fadeIn 0.3s ease;
}

.feed-event:hover {
  background: var(--bg);
}

.feed-event.new-event {
  background: #f0fdf4;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}

.feed-event-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  flex-shrink: 0;
  margin-top: 2px;
}

.feed-event-icon.received { background: #eff6ff; color: #2563eb; }
.feed-event-icon.processing { background: #fefce8; color: #d97706; }
.feed-event-icon.success { background: #dcfce7; color: #16a34a; }
.feed-event-icon.failed { background: #fef2f2; color: #dc2626; }
.feed-event-icon.system { background: #f1f5f9; color: #64748b; }
.feed-event-icon.saved { background: #ede9fe; color: #7c3aed; }

.feed-event-body {
  flex: 1;
  min-width: 0;
}

.feed-event-title {
  font-weight: 500;
  margin-bottom: 2px;
}

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

.feed-event-details span {
  display: inline-block;
  margin-right: 12px;
}

.feed-event-time {
  font-size: 11px;
  color: var(--text-secondary);
  white-space: nowrap;
  flex-shrink: 0;
}

.filter-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  border-radius: 4px;
  padding: 4px 10px;
  cursor: pointer;
  font-size: 12px;
}

.filter-btn.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.pulse-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
  animation: pulse 1.5s infinite;
  margin-right: 6px;
}

@keyframes pulse {
  0% { opacity: 1; box-shadow: 0 0 0 0 rgba(22, 163, 74, 0.4); }
  70% { opacity: 1; box-shadow: 0 0 0 6px rgba(22, 163, 74, 0); }
  100% { opacity: 1; box-shadow: 0 0 0 0 rgba(22, 163, 74, 0); }
}

@media (max-width: 768px) {
  .sidebar {
    width: 60px;
  }
  .sidebar-header h1,
  .sidebar-header p,
  .nav-item span:not(.icon) {
    display: none;
  }
  .nav-item {
    padding: 12px;
    justify-content: center;
  }
  .main-content {
    padding: 16px;
  }
  .stats-grid {
    grid-template-columns: 1fr 1fr;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
}