@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

:root {
  --bg: #0f1117;
  --surface: #1a1d27;
  --surface-hover: #22252f;
  --border: #2a2d3a;
  --border-light: #363a4a;
  --text: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent: #6366f1;
  --accent-hover: #818cf8;
  --success: #22c55e;
  --success-bg: rgba(34, 197, 94, 0.1);
  --warning: #f59e0b;
  --warning-bg: rgba(245, 158, 11, 0.1);
  --danger: #ef4444;
  --danger-bg: rgba(239, 68, 68, 0.1);
  --linehaul: #f97316;
  --linehaul-bg: rgba(249, 115, 22, 0.1);
  --info: #3b82f6;
  --info-bg: rgba(59, 130, 246, 0.1);
  --radius: 8px;
  --radius-sm: 6px;
  --radius-full: 9999px;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* Scrollbar */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--border-light); }

/* Utility classes */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: 4px; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.gap-4 { gap: 16px; }
.w-full { width: 100%; }
.text-center { text-align: center; }
.text-sm { font-size: 0.875rem; }
.text-xs { font-size: 0.75rem; }
.text-muted { color: var(--text-secondary); }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.hidden { display: none !important; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
  min-height: 36px;
}
.btn:hover { background: var(--surface-hover); border-color: var(--border-light); }
.btn:active { transform: scale(0.98); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

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

.btn-success { background: var(--success); border-color: var(--success); color: white; }
.btn-danger { background: var(--danger); border-color: var(--danger); color: white; }
.btn-warning { background: var(--warning); border-color: var(--warning); color: #1a1d27; }

.btn-sm { padding: 4px 10px; font-size: 0.75rem; min-height: 28px; }
.btn-lg { padding: 12px 24px; font-size: 1rem; min-height: 44px; }

/* Inputs */
.input, select, textarea {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: inherit;
  font-size: 0.875rem;
  padding: 8px 12px;
  outline: none;
  transition: border-color 0.15s;
  min-height: 36px;
}
.input:focus, select:focus, textarea:focus {
  border-color: var(--accent);
}
.input::placeholder { color: var(--text-muted); }

/* Cards */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
}

/* Pills / Badges */
.pill {
  display: inline-flex;
  align-items: center;
  padding: 2px 10px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.pill-unscanned { background: rgba(100, 116, 139, 0.15); color: #94a3b8; }
.pill-labeled { background: rgba(59, 130, 246, 0.15); color: #60a5fa; }
.pill-sorted { background: rgba(245, 158, 11, 0.15); color: #fbbf24; }
.pill-verified { background: rgba(34, 197, 94, 0.15); color: #4ade80; }
.pill-linehaul { background: rgba(249, 115, 22, 0.15); color: #fb923c; }
.pill-unknown { background: rgba(239, 68, 68, 0.15); color: #f87171; }
.pill-wrong { background: rgba(239, 68, 68, 0.15); color: #f87171; }

/* WS dot */
.ws-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--danger);
}
.ws-dot.connected { background: var(--success); }

/* Table */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}
.data-table th {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
}
.data-table th:hover { color: var(--text); }
.data-table td {
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
.data-table tr:hover td { background: var(--surface-hover); }
.data-table tr.highlight td {
  animation: rowHighlight 1.5s ease;
}

@keyframes rowHighlight {
  0% { background: rgba(99, 102, 241, 0.2); }
  100% { background: transparent; }
}

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 16px;
}
.modal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  min-width: 320px;
  max-width: 500px;
  width: 100%;
}
.modal h2 {
  font-size: 1.125rem;
  margin-bottom: 16px;
}
.modal-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  margin-top: 16px;
}

/* Tab nav */
.tab-nav {
  display: flex;
  gap: 2px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 16px;
}
.tab-btn {
  padding: 10px 20px;
  background: none;
  border: none;
  color: var(--text-secondary);
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all 0.15s;
}
.tab-btn:hover { color: var(--text); }
.tab-btn.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* Form group */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 12px;
}
.form-group label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Empty state */
.empty-state {
  text-align: center;
  padding: 48px 24px;
  color: var(--text-secondary);
}
.empty-state h3 {
  font-size: 1.125rem;
  margin-bottom: 8px;
  color: var(--text);
}