/* Custom styles for Carbon Footprint Calculator */

:root {
    --eco-green: #198754;
    --light-green: #d1e7dd;
    --dark-green: #146c43;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f8f9fa;
}

/* Custom green theme for eco-friendly feel */
.bg-success {
    background-color: var(--eco-green) !important;
}

.text-success {
    color: var(--eco-green) !important;
}

.btn-success {
    background-color: var(--eco-green);
    border-color: var(--eco-green);
}

.btn-success:hover {
    background-color: var(--dark-green);
    border-color: var(--dark-green);
}

/* Card styling */
.card {
    border: none;
    border-radius: 10px;
    transition: transform 0.2s ease-in-out;
}

.card:hover {
    transform: translateY(-2px);
}

.card-header {
    border-radius: 10px 10px 0 0 !important;
    border-bottom: none;
}

/* Form styling */
.form-control:focus {
    border-color: var(--eco-green);
    box-shadow: 0 0 0 0.2rem rgba(25, 135, 84, 0.25);
}

.form-select:focus {
    border-color: var(--eco-green);
    box-shadow: 0 0 0 0.2rem rgba(25, 135, 84, 0.25);
}

/* Input group styling */
.input-group-text {
    background-color: var(--light-green);
    border-color: #ced4da;
    color: var(--dark-green);
    font-weight: 500;
}

/* Progress bar customization */
.progress {
    background-color: #e9ecef;
    border-radius: 10px;
}

.progress-bar {
    border-radius: 10px;
}

/* Chart container styling */
.tab-content {
    padding-top: 20px;
    min-height: 300px;
}

/* Tooltip styling */
.tooltip {
    font-size: 0.875rem;
}

/* Alert styling */
.alert {
    border-radius: 10px;
    border: none;
}

/* Animation for results section */
.fade-in {
    animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Suggestion cards */
.suggestion-card {
    border-left: 4px solid var(--eco-green);
    margin-bottom: 15px;
    background-color: #ffffff;
    transition: all 0.3s ease;
}

.suggestion-card:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transform: translateX(5px);
}

/* Statistics styling */
.stats-card {
    background: linear-gradient(135deg, var(--light-green), #ffffff);
    border: 1px solid rgba(25, 135, 84, 0.1);
}

/* Footer styling */
footer a {
    text-decoration: none;
    transition: color 0.3s ease;
}

footer a:hover {
    color: var(--light-green) !important;
}

/* Table styling */
.table th {
    background-color: var(--light-green);
    color: var(--dark-green);
    border: none;
    font-weight: 600;
}

.table td {
    border-color: rgba(25, 135, 84, 0.1);
}

/* Mobile responsiveness */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    .card-body {
        padding: 1rem;
    }
    
    .row.text-center h3,
    .row.text-center h4 {
        font-size: 1.5rem;
    }
    
    .table-responsive {
        font-size: 0.875rem;
    }
}

/* Loading animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(25, 135, 84, 0.3);
    border-radius: 50%;
    border-top-color: var(--eco-green);
    animation: spin 1s ease-in-out infinite;
}

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

/* Icon styling */
.fas, .fab {
    color: inherit;
}

/* Custom button styles */
.btn-eco {
    background: linear-gradient(135deg, var(--eco-green), var(--dark-green));
    border: none;
    color: white;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-eco:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(25, 135, 84, 0.3);
    color: white;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .card {
        border: 2px solid #000;
    }
    
    .btn-success {
        border: 2px solid #000;
    }
    
    .form-control,
    .form-select {
        border: 2px solid #000;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}