/* NetFlow Dashboard Styles */
:root {
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-card: #1e293b;
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --success: #22c55e;
  --warning: #f59e0b;
  --danger: #ef4444;
  --border: #334155;
}

* {
  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);
  min-height: 100vh;
  line-height: 1.5;
}

.container {
  max-width: 1600px;
  margin: 0 auto;
  padding: 1rem;
}

/* Header */
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
  gap: 1rem;
}

header h1 {
  font-size: 1.5rem;
  font-weight: 600;
}

/* Navigation Links */
.nav-links {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.nav-link {
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  text-decoration: none;
  color: var(--text-secondary);
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  transition: all 0.2s;
  font-size: 0.875rem;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-link:hover {
  background: var(--bg-card);
  color: var(--text-primary);
  border-color: var(--accent);
}

.nav-link.active {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}

.status-bar {
  display: flex;
  gap: 1.5rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.status {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.status.connected {
  color: var(--success);
}

.status.disconnected {
  color: var(--danger);
}

/* Filter Section */
.filter-section {
  margin-bottom: 1.5rem;
}

.filter-container {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  padding: 1.5rem;
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.filter-group label {
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.875rem;
}

.filter-group input {
  flex: 1;
  min-width: 250px;
  padding: 0.5rem 1rem;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 0.375rem;
  color: var(--text-primary);
  font-size: 0.875rem;
  transition: all 0.2s;
}

.filter-group input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.filter-group input::placeholder {
  color: var(--text-secondary);
}

.btn-primary, .btn-secondary {
  padding: 0.5rem 1.25rem;
  border-radius: 0.375rem;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  border: none;
  white-space: nowrap;
}

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

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.btn-secondary {
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background: var(--bg-primary);
  border-color: var(--text-secondary);
}

.filter-status {
  margin-top: 0.75rem;
  padding: 0.5rem 1rem;
  border-radius: 0.375rem;
  font-size: 0.875rem;
  display: none;
}

.filter-status.active {
  display: block;
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid var(--accent);
  color: var(--accent);
}

.filter-status.error {
  display: block;
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid var(--danger);
  color: var(--danger);
}

/* Stats Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.stat-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem;
}

.stat-icon {
  font-size: 2rem;
  opacity: 0.8;
}

.stat-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
}

.stat-label {
  font-size: 0.75rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Main Grid */
.main-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

/* Cards */
.card {
  background: var(--bg-card);
  border-radius: 0.5rem;
  border: 1px solid var(--border);
  padding: 1rem;
}

.card h2 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.card-header h2 {
  margin-bottom: 0;
}

.card-actions {
  display: flex;
  gap: 0.5rem;
}

.full-width {
  grid-column: 1 / -1;
}

/* Tables */
.table-wrapper {
  overflow-x: auto;
  max-height: 400px;
  overflow-y: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

th, td {
  padding: 0.625rem 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

th {
  background: var(--bg-primary);
  color: var(--text-secondary);
  font-weight: 500;
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  position: sticky;
  top: 0;
}

tbody tr:hover {
  background: rgba(59, 130, 246, 0.1);
}

td {
  color: var(--text-primary);
  font-family: 'Monaco', 'Menlo', monospace;
  font-size: 0.8rem;
}

/* Buttons */
.btn {
  padding: 0.5rem 1rem;
  border: none;
  border-radius: 0.375rem;
  font-size: 0.875rem;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-secondary {
  background: var(--bg-primary);
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background: var(--border);
}

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

.btn-danger:hover {
  background: #dc2626;
}

/* Responsive */
@media (max-width: 768px) {
  header {
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
  }
  
  .status-bar {
    flex-direction: column;
    gap: 0.25rem;
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-secondary);
}

/* Animation for new rows */
@keyframes flash {
  0% { background: rgba(59, 130, 246, 0.3); }
  100% { background: transparent; }
}

.new-row {
  animation: flash 1s ease-out;
}