.calculator-section {
    background: #f8f9fa;
    border-radius: 10px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.input-group-custom {
    margin-bottom: 1rem;
    position: relative;
    /* Ensure proper stacking context */
}

.input-group-custom label {
    font-weight: 600;
    margin-bottom: 0.5rem;
    display: block;
}

/* Ensure input groups don't interfere with tooltips */
.input-group {
    position: relative;
    z-index: 1;
}

.slider-container {
    position: relative;
    margin: 10px 0;
}

.slider {
    width: 100%;
    height: 8px;
    border-radius: 5px;
    background: #ddd;
    outline: none;
    -webkit-appearance: none;
}

.slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: #007bff;
    cursor: pointer;
}

.slider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: #007bff;
    cursor: pointer;
    border: none;
}

.scenario-card {
    border: 2px solid #e9ecef;
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 1rem;
    transition: all 0.3s ease;
}

.scenario-card.active {
    border-color: #007bff;
    background-color: #f8f9ff;
}

.scenario-card.disabled {
    opacity: 0.6;
    background-color: #f8f9fa;
}

.metric-card {
    background: white;
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    margin-bottom: 1rem;
}

.metric-value {
    font-size: 1.6rem;
    font-weight: bold;
    color: #007bff;
    line-height: 1.2;
    word-break: break-word;
    overflow-wrap: break-word;
}

.metric-label {
    color: #6c757d;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: 0.5rem;
}

.chart-container {
    position: relative;
    background: white;
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    margin-bottom: 1.5rem;
}

/* Enhanced chart sizing for new layout */
.chart-container canvas {
    max-height: 400px;
}

/* Full-width chart containers */
.card-body canvas {
    width: 100% !important;
}

/* Primary chart gets extra height */
#instanceGrowthChart {
    height: 500px !important;
}

/* Secondary charts get good height */
#revenueChart, #cashFlowChart, #modelComparisonChart {
    height: 400px !important;
}

/* Enhanced layout styles for new design */
.sticky-top {
    z-index: 1020;
}

.card {
    transition: box-shadow 0.15s ease-in-out;
}

.card:hover {
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

/* Compact header controls */
.form-range {
    height: 4px;
}

.input-group-sm .form-control,
.form-select-sm,
.btn-sm {
    font-size: 0.825rem;
}

/* Clean chart headers */
.card-header {
    background: white !important;
    border: none !important;
    padding-bottom: 0.5rem;
}

.card-body {
    padding: 1.5rem;
}

/* Responsive chart heights */
@media (max-width: 768px) {
    #instanceGrowthChart {
        height: 350px !important;
    }
    
    #revenueChart, #cashFlowChart, #modelComparisonChart {
        height: 300px !important;
    }
    
    .card-body {
        padding: 1rem;
    }
}

@media (max-width: 576px) {
    #instanceGrowthChart {
        height: 250px !important;
    }
    
    #revenueChart, #cashFlowChart, #modelComparisonChart {
        height: 200px !important;
    }
}

/* Manual collapse functionality */
.collapse {
    display: none;
}

.collapse.show {
    display: block;
}

.collapsing {
    position: relative;
    height: 0;
    overflow: hidden;
    transition: height 0.35s ease;
}

.export-buttons {
    position: sticky;
    top: 20px;
    background: white;
    padding: 1rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    margin-bottom: 1rem;
}

.collapsible-section {
    border: 1px solid #e9ecef;
    border-radius: 8px;
    margin-bottom: 1rem;
}

.collapsible-header {
    background: #f8f9fa;
    padding: 1rem;
    cursor: pointer;
    border-radius: 8px 8px 0 0;
    transition: background-color 0.3s ease;
}

.collapsible-header:hover {
    background: #e9ecef;
}

.collapsible-content {
    padding: 1rem;
    display: none;
}

.collapsible-content.show {
    display: block;
}

.phase-settings {
    background: #f8f9fa;
    border-radius: 6px;
    padding: 1rem;
    margin-bottom: 1rem;
}

.currency-symbol {
    font-weight: bold;
    color: #28a745;
}

.loading-spinner {
    display: none;
    text-align: center;
    padding: 2rem;
}

.help-content {
    background: #f8f9fa;
    border-radius: 6px;
    padding: 1rem;
}

.help-content h6 {
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.help-content p {
    margin-bottom: 0.75rem;
    line-height: 1.4;
}

.help-content p:last-child {
    margin-bottom: 0;
}

/* Bootstrap tooltip styling improvements */
.tooltip {
    font-size: 0.875rem;
    font-family: inherit;
    z-index: 9999 !important;
    /* Ensure tooltips appear above all other elements */
    pointer-events: none;
    /* Prevent tooltip from interfering with mouse events */
}

.tooltip .tooltip-inner {
    max-width: 250px;
    padding: 0.5rem 0.75rem;
    color: #fff;
    background-color: #212529;
    border-radius: 6px;
    box-shadow: 0 0.25rem 0.5rem rgba(0, 0, 0, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.tooltip .tooltip-arrow {
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.15));
}

.tooltip.bs-tooltip-top .tooltip-arrow::before {
    border-top-color: #212529;
}

.tooltip.bs-tooltip-bottom .tooltip-arrow::before {
    border-bottom-color: #212529;
}

.tooltip.bs-tooltip-start .tooltip-arrow::before {
    border-left-color: #212529;
}

.tooltip.bs-tooltip-end .tooltip-arrow::before {
    border-right-color: #212529;
}

/* Enhanced cursor for tooltip elements */
[data-bs-toggle="tooltip"] {
    cursor: help;
    position: relative;
}

[data-bs-toggle="tooltip"]:hover {
    opacity: 0.8;
}

@media (max-width: 768px) {
    .chart-container {
        height: 300px;
    }

    .metric-value {
        font-size: 1.4rem;
    }

    .metric-card {
        padding: 1rem;
    }
}

@media (max-width: 576px) {
    .metric-value {
        font-size: 1.2rem;
    }

    .metric-card {
        padding: 0.75rem;
        margin-bottom: 0.75rem;
    }
}

/* Clean Dual Model Layout */
.model-comparison-indicator {
    font-size: 1.2rem;
    color: #6c757d;
}

/* Scenario selection enhancements */
.form-check {
    margin-bottom: 0.25rem;
}

.form-check-label {
    cursor: pointer;
    user-select: none;
}

.form-check-input:checked {
    background-color: #0d6efd;
    border-color: #0d6efd;
}

/* Model result boxes */
.model-result-box {
    transition: all 0.2s ease;
    background: #fafafa;
}

.model-result-box:hover {
    background: #f0f0f0;
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

/* Model comparison box */
.model-comparison-box {
    border: 1px solid #dee2e6;
    transition: all 0.2s ease;
}

.model-comparison-box:hover {
    border-color: #adb5bd;
    background-color: #f8f9fa !important;
}

/* Control section styling */
.controls-section {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: 8px;
    padding: 1rem;
}

/* Enhanced form controls */
.form-range {
    height: 4px;
    margin-top: 0.5rem;
}

.form-range::-webkit-slider-thumb {
    background: #0d6efd;
    border: 2px solid #fff;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.form-range::-moz-range-thumb {
    background: #0d6efd;
    border: 2px solid #fff;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

/* Button group styling */
.btn-group-enhanced .btn {
    border-radius: 4px;
    margin-right: 0.25rem;
}

.btn-group-enhanced .btn:last-child {
    margin-right: 0;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .controls-section {
        padding: 0.75rem;
    }
    
    .model-result-box {
        margin-bottom: 1rem;
    }
}

/* Enhanced table styling for financial analysis */
.table-hover tbody tr:hover {
    background-color: rgba(0, 0, 0, 0.05);
}

.table-success {
    --bs-table-bg: rgba(40, 167, 69, 0.1);
}

.table-warning {
    --bs-table-bg: rgba(255, 193, 7, 0.1);
}

/* Tab styling improvements */
.nav-tabs .nav-link {
    border: 1px solid transparent;
    border-top-left-radius: 0.375rem;
    border-top-right-radius: 0.375rem;
}

.nav-tabs .nav-link.active {
    color: #495057;
    background-color: #fff;
    border-color: #dee2e6 #dee2e6 #fff;
}

.nav-tabs .nav-link:hover:not(.active) {
    border-color: #e9ecef #e9ecef #dee2e6;
    isolation: isolate;
}

/* Table cell improvements */
.table td {
    vertical-align: middle;
}

.table th {
    border-top: none;
    font-weight: 600;
    font-size: 0.875rem;
}

/* Better responsive tables */
@media (max-width: 768px) {
    .table-responsive {
        font-size: 0.8rem;
    }
    
    .table th, .table td {
        padding: 0.5rem 0.25rem;
    }
}