:root {
  --primary-color: #3f51b5;
  --primary-light: #7986cb;
  --primary-dark: #303f9f;
  --secondary-color: #f50057;
  --background-color: #f5f7fa;
  --card-color: #ffffff;
  --text-primary: #333333;
  --text-secondary: #6c757d;
  --success-color: #43a047;
  --warning-color: #ff9800;
  --danger-color: #e53935;
  --info-color: #039be5;
  --border-radius: 8px;
  --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  --transition: all 0.3s ease;
}

/* Base styles */
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  background-color: var(--background-color);
  color: var(--text-primary);
  margin: 0;
  padding: 0;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

/* Navbar */
.navbar {
  background-color: var(--card-color);
  box-shadow: var(--box-shadow);
  padding: 15px 0;
}

.navbar-brand {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
}

/* Cards */
.card {
  background-color: var(--card-color);
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  border: none;
  margin-bottom: 20px;
  transition: var(--transition);
  overflow: hidden;
}

.card:hover {
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
  transform: translateY(-3px);
}

.card-header {
  background-color: var(--card-color);
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
  font-weight: 600;
  padding: 20px;
}

.card-body {
  padding: 20px;
}

/* Dashboard sections */
.dashboard-header {
  margin-bottom: 25px;
}

.dashboard-title {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--primary-dark);
}

.dashboard-subtitle {
  font-size: 1rem;
  color: var(--text-secondary);
}

/* Buttons */
.btn {
  border-radius: var(--border-radius);
  font-weight: 500;
  padding: 10px 20px;
  transition: var(--transition);
  border: none;
  cursor: pointer;
}

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

.btn-primary:hover {
  background-color: var(--primary-dark);
  transform: translateY(-2px);
}

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

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

/* Upload zone */
.upload-zone {
  border: 2px dashed #ccc;
  border-radius: var(--border-radius);
  padding: 40px;
  text-align: center;
  transition: var(--transition);
  background-color: rgba(63, 81, 181, 0.05);
  cursor: pointer;
}

.upload-zone:hover, 
.upload-zone.dragover {
  border-color: var(--primary-color);
  background-color: rgba(63, 81, 181, 0.1);
}

.upload-icon {
  font-size: 48px;
  color: var(--primary-color);
  margin-bottom: 15px;
}

.upload-text {
  margin-bottom: 10px;
}

.upload-text .main-text {
  font-weight: 600;
  font-size: 1.1rem;
}

.upload-text .sub-text {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.file-input {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  opacity: 0;
  cursor: pointer;
}

/* Loading indicator */
.loading {
  display: none;
  text-align: center;
  padding: 20px;
}

.loading.active {
  display: block;
}

/* History cards */
.history-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
  transition: var(--transition);
}

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

.history-card:hover {
  background-color: rgba(0, 0, 0, 0.02);
}

.history-meta {
  flex: 1;
}

.history-title {
  font-weight: 600;
  margin-bottom: 5px;
}

.history-timestamp {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.history-score {
  display: flex;
  align-items: center;
  margin-right: 15px;
}

.cadrads-label {
  font-weight: 700;
  padding: 5px 12px;
  border-radius: 20px;
  font-size: 0.9rem;
  color: white;
  display: inline-block;
}

/* Add styling for modifier badge */
.modifier-badge {
    display: inline-block;
    font-size: 0.9rem;
    color: white;
    padding: 5px 12px;
    border-radius: 20px;
    font-weight: 700;
    margin-left: 6px;
}

/* Add simple styling for P1-P4 modifier badges */
span.modifier-badge:not([style*="background"]) {
    background-color: var(--primary-color);
}

/* Report view styles */
.report-content {
  background-color: var(--card-color);
  border-radius: var(--border-radius);
  padding: 20px;
  white-space: pre-wrap;
  font-family: 'Courier New', monospace;
  font-size: 0.9rem;
  line-height: 1.6;
  max-height: 600px;
  overflow-y: auto;
  border: 1px solid rgba(0, 0, 0, 0.1);
}

.prediction-badge {
  font-size: 1.2rem;
  padding: 8px 16px;
  border-radius: var(--border-radius);
  background-color: var(--primary-color);
  color: white;
  display: inline-block;
  margin-bottom: 20px;
}

/* Alerts */
.alert {
  border-radius: var(--border-radius);
  border: none;
  padding: 15px 20px;
  margin-bottom: 20px;
}

.alert-success {
  background-color: rgba(67, 160, 71, 0.15);
  color: var(--success-color);
}

.alert-danger {
  background-color: rgba(229, 57, 53, 0.15);
  color: var(--danger-color);
}

.alert-warning {
  background-color: rgba(255, 152, 0, 0.15);
  color: var(--warning-color);
}

.alert-info {
  background-color: rgba(3, 155, 229, 0.15);
  color: var(--info-color);
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .container {
    padding: 15px;
  }
  
  .upload-zone {
    padding: 25px;
  }
  
  .history-card {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .history-actions {
    margin-top: 15px;
    width: 100%;
    display: flex;
    justify-content: flex-end;
  }
  
  .history-score {
    margin-bottom: 10px;
  }
}