/* Custom styles for Energy Analysis App */

/* Base styles */
:root {
    --primary-gradient: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
    --success-gradient: linear-gradient(135deg, #059669 0%, #10b981 100%);
    --info-gradient: linear-gradient(135deg, #0891b2 0%, #06b6d4 100%);
    --warning-gradient: linear-gradient(135deg, #d97706 0%, #f59e0b 100%);
}

/* Light theme base styles */
body {
    background-color: #f8fafc;
    color: #1f2937;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1;
}

/* Card enhancements */
.card {
    border: 1px solid #e5e7eb;
    background-color: #ffffff;
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    transition: box-shadow 0.15s ease-in-out;
}

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

/* Metric cards */
.metric-card {
    background: var(--primary-gradient);
    color: white;
    border: none;
}

.metric-card .card-body {
    padding: 2rem;
}

/* Button enhancements */
.btn {
    border-radius: 0.375rem;
    font-weight: 500;
    transition: all 0.15s ease-in-out;
}

.btn-lg {
    padding: 0.75rem 1.5rem;
    font-size: 1.125rem;
}

/* Loading overlay */
#loading-overlay {
    backdrop-filter: blur(5px);
}

#loading-overlay .card {
    min-width: 300px;
    border: none;
    box-shadow: 0 1rem 3rem rgba(0, 0, 0, 0.175);
}

/* Alert improvements */
.alert {
    border: none;
    border-radius: 0.5rem;
    margin-bottom: 1rem;
}

.alert-success {
    background-color: #f0fdf4;
    border-color: #bbf7d0;
    color: #166534;
}

.alert-danger {
    background-color: #fef2f2;
    border-color: #fecaca;
    color: #991b1b;
}

.alert-warning {
    background-color: #fffbeb;
    border-color: #fed7aa;
    color: #92400e;
}

.alert-info {
    background-color: #f0f9ff;
    border-color: #bae6fd;
    color: #1e40af;
}

/* Navigation enhancements */
.navbar-brand {
    font-weight: 600;
    font-size: 1.25rem;
}

.nav-link {
    font-weight: 500;
    transition: color 0.15s ease-in-out;
}

.nav-link:hover {
    color: var(--bs-primary) !important;
}

.nav-link.active {
    color: var(--bs-primary) !important;
    background-color: rgba(var(--bs-primary-rgb), 0.1);
    border-radius: 0.375rem;
}

/* Table improvements */
.table {
    border-radius: 0.5rem;
    overflow: hidden;
}

.table-responsive {
    border-radius: 0.5rem;
}

/* Form enhancements */
.form-control {
    border-color: #d1d5db;
    background-color: #ffffff;
    color: #1f2937;
}

.form-control:focus {
    border-color: #4f46e5;
    box-shadow: 0 0 0 0.2rem rgba(79, 70, 229, 0.25);
    background-color: #ffffff;
}

.form-select {
    border-color: #d1d5db;
    background-color: #ffffff;
    color: #1f2937;
}

.form-select:focus {
    border-color: #4f46e5;
    box-shadow: 0 0 0 0.2rem rgba(79, 70, 229, 0.25);
    background-color: #ffffff;
}

/* Chart containers */
.plotly-graph-div {
    border-radius: 0.5rem;
    background-color: #ffffff;
}

/* Footer */
footer {
    margin-top: auto;
}

/* Utility classes */
.text-gradient {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.bg-gradient-primary {
    background: var(--primary-gradient) !important;
}

.bg-gradient-success {
    background: var(--success-gradient) !important;
}

.bg-gradient-info {
    background: var(--info-gradient) !important;
}

.bg-gradient-warning {
    background: var(--warning-gradient) !important;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .display-4 {
        font-size: 2rem;
    }
    
    .card-body {
        padding: 1rem;
    }
    
    .metric-card .card-body {
        padding: 1.5rem;
    }
    
    .btn-lg {
        padding: 0.5rem 1rem;
        font-size: 1rem;
    }
}

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

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

.slide-in {
    animation: slideIn 0.5s ease-out;
}

@keyframes slideIn {
    from {
        transform: translateX(-100%);
    }
    to {
        transform: translateX(0);
    }
}

/* Light theme specific adjustments */
.table {
    background-color: #ffffff;
    border-color: #e5e7eb;
}

.table th {
    background-color: #f9fafb;
    border-color: #e5e7eb;
    color: #374151;
}

.table td {
    border-color: #e5e7eb;
    color: #1f2937;
}

/* Navigation light theme */
.navbar {
    background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%) !important;
    border-bottom: 1px solid #e5e7eb;
}

.navbar-brand,
.nav-link {
    color: #ffffff !important;
}

.nav-link:hover {
    color: #e5e7eb !important;
}

.nav-link.active {
    color: #ffffff !important;
    background-color: rgba(255, 255, 255, 0.1);
}

/* Custom scrollbar for webkit browsers */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f3f4f6;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: #9ca3af;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #6b7280;
}