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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  background: #f5f5f5;
  color: #333;
  line-height: 1.6;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 20px;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 30px;
}

h1 {
  font-size: 2em;
  color: #2c3e50;
}

.btn-primary {
  background: #3498db;
  color: white;
  border: none;
  padding: 12px 24px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 16px;
  transition: background 0.3s;
}

.btn-primary:hover {
  background: #2980b9;
}

.btn-primary:disabled {
  background: #95a5a6;
  cursor: not-allowed;
}

.btn-secondary {
  background: #e74c3c;
  color: white;
  border: none;
  padding: 12px 24px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 16px;
  transition: background 0.3s;
}

.btn-secondary:hover {
  background: #c0392b;
}

.btn-secondary:disabled {
  background: #95a5a6;
  cursor: not-allowed;
}

.stats-overview {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
  margin-bottom: 30px;
}

.stat-card {
  background: white;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.stat-card h3 {
  font-size: 14px;
  color: #7f8c8d;
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.stat-value {
  font-size: 36px;
  font-weight: bold;
  color: #2c3e50;
}

.stat-value.success {
  color: #27ae60;
}

.stat-value.warning {
  color: #f39c12;
}

.stat-value.danger {
  color: #e74c3c;
}

.progress-section {
  background: white;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
  margin-bottom: 30px;
}

.progress-bar {
  height: 30px;
  background: #ecf0f1;
  border-radius: 15px;
  overflow: hidden;
  margin: 15px 0;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, #3498db, #2ecc71);
  transition: width 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: bold;
}

.progress-text {
  text-align: center;
  color: #7f8c8d;
}

.chart-section, .results-section {
  background: white;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
  margin-bottom: 30px;
}

.chart-section h2, .results-section h2 {
  margin-bottom: 20px;
  color: #2c3e50;
}

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

thead {
  background: #34495e;
  color: white;
}

th, td {
  padding: 12px;
  text-align: left;
  border-bottom: 1px solid #ecf0f1;
}

tbody tr:hover {
  background: #f8f9fa;
}

.status-badge {
  padding: 4px 12px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: bold;
  text-transform: uppercase;
}

.status-completed {
  background: #d4edda;
  color: #155724;
}

.status-running {
  background: #fff3cd;
  color: #856404;
}

.status-failed {
  background: #f8d7da;
  color: #721c24;
}

.status-pending {
  background: #e2e3e5;
  color: #383d41;
}

.status-uploading {
  background: #d1ecf1;
  color: #0c5460;
}

.status-indexing {
  background: #cce5ff;
  color: #004085;
}

.btn-view {
  background: #3498db;
  color: white;
  border: none;
  padding: 6px 12px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 14px;
}

.btn-view:hover {
  background: #2980b9;
}