/* Reset and base styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
    'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue',
    sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background: #f8fafc;
  color: #1e293b;
  line-height: 1.5;
}

/* Dashboard layout */
.dashboard {
  max-width: 1400px;
  margin: 0 auto;
  padding: 20px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
}

/* Card styles */
.card {
  background: white;
  border-radius: 12px;
  padding: 20px;
  box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  border: 1px solid #e2e8f0;
  transition: all 0.2s ease;
}

.card:hover {
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.card h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 16px;
  color: #1e293b;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Risk score styles */
.risk-score {
  font-size: 32px;
  font-weight: 700;
  margin: 8px 0;
}

.risk-low { color: #059669; }
.risk-medium { color: #d97706; }
.risk-high { color: #dc2626; }

/* Progress bars */
.bar {
  height: 8px;
  background: #e2e8f0;
  border-radius: 999px;
  overflow: hidden;
  margin: 4px 0;
}

.bar > div {
  height: 100%;
  border-radius: 999px;
  transition: width 0.3s ease, background-color 0.3s ease;
}

/* Button styles */
.btn {
  background: #3b82f6;
  color: white;
  border: none;
  border-radius: 8px;
  padding: 10px 16px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.btn:hover {
  background: #2563eb;
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
}

.btn-secondary {
  background: #6b7280;
}

.btn-secondary:hover {
  background: #4b5563;
}

.btn-success {
  background: #059669;
}

.btn-success:hover {
  background: #047857;
}

.btn-danger {
  background: #dc2626;
}

.btn-danger:hover {
  background: #b91c1c;
}

/* Help button */
.help-btn {
  background: #8b5cf6;
  color: white;
  border: none;
  border-radius: 50%;
  width: 24px;
  height: 24px;
  font-size: 12px;
  font-weight: bold;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-left: 8px;
  transition: all 0.2s ease;
}

.help-btn:hover {
  background: #7c3aed;
  transform: scale(1.1);
}

/* Muted text */
.muted {
  color: #64748b;
  font-size: 14px;
}

/* Evidence display */
.evidence {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  padding: 12px;
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
  font-size: 12px;
  line-height: 1.4;
  max-height: 200px;
  overflow-y: auto;
  white-space: pre-wrap;
}

/* Device list */
.device-list {
  list-style: none;
}

.device-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px solid #e2e8f0;
}

.device-item:last-child {
  border-bottom: none;
}

.device-id {
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
  font-size: 12px;
  color: #475569;
}

.device-count {
  background: #e2e8f0;
  color: #475569;
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 500;
}

/* Machine list */
.machine-list {
  list-style: none;
}

.machine-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px solid #e2e8f0;
}

.machine-item:last-child {
  border-bottom: none;
}

.machine-id {
  font-weight: 500;
  color: #1e293b;
}

.machine-time {
  font-size: 12px;
  color: #64748b;
}

/* History list */
.history-list {
  list-style: none;
  max-height: 200px;
  overflow-y: auto;
}

.history-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 0;
  border-bottom: 1px solid #e2e8f0;
  font-size: 14px;
}

.history-item:last-child {
  border-bottom: none;
}

.history-time {
  color: #64748b;
}

.history-score {
  font-weight: 500;
}

/* Control buttons */
.controls {
  grid-column: 1 / -1;
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-top: 20px;
}

/* Loading states */
.loading {
  opacity: 0.6;
  pointer-events: none;
}

.spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid #e2e8f0;
  border-radius: 50%;
  border-top-color: #3b82f6;
  animation: spin 1s ease-in-out infinite;
}

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

/* Responsive design */
@media (max-width: 768px) {
  .dashboard {
    grid-template-columns: 1fr;
    padding: 16px;
  }
  
  .controls {
    flex-direction: column;
    align-items: center;
  }
  
  .card h3 {
    font-size: 16px;
  }
  
  .risk-score {
    font-size: 24px;
  }
}

/* Help modal styles */
.help-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 20px;
}

.help-content {
  background: white;
  border-radius: 12px;
  max-width: 800px;
  max-height: 80vh;
  overflow-y: auto;
  padding: 24px;
  position: relative;
}

.help-close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: #64748b;
}

.help-close:hover {
  color: #1e293b;
}

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

.help-section h3 {
  color: #1e293b;
  margin-bottom: 12px;
  font-size: 18px;
}

.help-section p {
  color: #475569;
  line-height: 1.6;
  margin-bottom: 8px;
}

.device-reference {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  padding: 16px;
  margin-top: 16px;
}

.device-reference h4 {
  color: #1e293b;
  margin-bottom: 12px;
  font-size: 16px;
}

.device-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.device-table th,
.device-table td {
  text-align: left;
  padding: 8px 12px;
  border-bottom: 1px solid #e2e8f0;
}

.device-table th {
  background: #f1f5f9;
  font-weight: 600;
  color: #374151;
}

.device-table td {
  color: #475569;
}

.device-table code {
  background: #e2e8f0;
  padding: 2px 6px;
  border-radius: 4px;
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
  font-size: 12px;
}