style.css

:root {
  --primary-color: #2ecc71;
  --secondary-color: #27ae60;
  --accent-color: #f1c40f;
  --background-color: #ffffff;
  --text-color: #2d3436;
  --card-bg: #f8f9fa;
  --dark-text: #2c3e50;
}

/* Base styles */
.stApp {
  background: var(--background-color);
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  color: var(--dark-text);
}

/* Header styles */
.custom-header {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  padding: 2rem;
  border-radius: 15px;
  color: white;
  text-align: center;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  margin-bottom: 2rem;
  animation: fadeIn 1s ease-in;
}

/* Text visibility fixes */
.stMarkdown, .nutrition-card, .meal-plan-section, .graph-container {
  color: var(--dark-text) !important;
}

.stTextInput>div>div>input, .stNumberInput>div>div>input {
  color: var(--dark-text) !important;
}

/* Food card styles */
.nutrition-card {
  background: var(--card-bg);
  border-radius: 15px;
  padding: 1.5rem;
  margin: 1rem 0;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s ease;
  color: var(--dark-text);
}

/* Meal plan section */
.meal-plan-section {
  background: var(--card-bg);
  border-radius: 15px;
  padding: 2rem;
  margin: 2rem 0;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
  color: var(--dark-text);
}

/* Graph container */
.graph-container {
  background: var(--card-bg);
  border-radius: 15px;
  padding: 1.5rem;
  margin: 1rem 0;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
  color: var(--dark-text);
}

/* Updated Radio buttons */
.stRadio label {
  background: var(--card-bg) !important;
  color: var(--dark-text) !important;
  border: 2px solid var(--primary-color) !important;
  padding: 0.8rem 1.5rem !important;
  border-radius: 25px !important;
  transition: all 0.3s ease !important;
}

.stRadio input:checked + label {
  background: var(--primary-color) !important;
  color: white !important;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2) !important;
}

.stRadio label:hover {
  transform: translateY(-2px);
  box-shadow: 0 3px 8px rgba(0, 0, 0, 0.15);
}

/* Form styling */
.stForm {
  background: var(--card-bg);
  color: var(--dark-text);
}

/* Table text color */
.stTable {
  color: var(--dark-text) !important;
}

/* Mobile responsive adjustments */
@media (max-width: 768px) {
  .custom-header h1 {
    font-size: 1.8rem;
    color: white !important;
  }
  
  .nutrition-card {
    margin: 0.5rem 0;
    padding: 1rem;
  }
}

/* Animation classes */
@keyframes pulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.02); }
  100% { transform: scale(1); }
}

.pulse-animation {
  animation: pulse 2s infinite;
}

/* Loading spinner */
.loading-spinner {
  display: flex;
  justify-content: center;
  padding: 2rem;
}

.loading-spinner::after {
  content: "";
  width: 40px;
  height: 40px;
  border: 4px solid var(--primary-color);
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

/* Custom radio button container */
.stRadio > div {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}