@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    --card-gradient: linear-gradient(145deg, #ffffff, #f5f7fa);
    --hover-transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 5px 15px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.12);
    --primary-gradient: linear-gradient(135deg, #4361EE, #738DF9);
    --border-radius: 12px;
}

body { 
    background-color: #F0F4F8 !important;
    color: #2B2D42;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
}

.display-4 {
    font-weight: 700 !important;
    letter-spacing: -0.5px;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-fill-color: transparent;
}

.lead {
    font-weight: 400;
    font-size: 1.15rem;
}

.tab-content {
    background-color: #ffffff;
    border-radius: 0 0 var(--border-radius) var(--border-radius);
    box-shadow: var(--shadow-md);
    padding: 25px;
}

.nav-tabs {
    border-bottom: none;
    gap: 4px;
}

.nav-tabs .nav-link {
    border-radius: var(--border-radius) var(--border-radius) 0 0;
    font-weight: 500;
    padding: 12px 24px;
    transition: var(--hover-transition);
    border: 1px solid transparent;
    position: relative;
    overflow: hidden;
}

.nav-tabs .nav-link::before {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    height: 3px;
    width: 0;
    background: var(--primary-gradient);
    transition: width 0.25s ease;
}

.nav-tabs .nav-link:not(.active):hover {
    background-color: rgba(74, 109, 167, 0.08);
    border-color: transparent;
}

.nav-tabs .nav-link:not(.active):hover::before {
    width: 100%;
}

.nav-tabs .nav-link.active {
    background-color: #ffffff;
    border-bottom-color: #ffffff;
    box-shadow: 0 -2px 8px rgba(0,0,0,0.03);
    transform: translateY(-3px);
    font-weight: 600;
}

.nav-tabs .nav-link.active::before {
    width: 100%;
}

.card {
    border-radius: var(--border-radius);
    border: none;
    transition: var(--hover-transition);
    box-shadow: var(--shadow-sm);
    background: var(--card-gradient);
    overflow: hidden;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.card-body {
    padding: 1.5rem;
}

.btn {
    border-radius: 10px;
    font-weight: 500;
    padding: 8px 16px;
    transition: var(--hover-transition);
    position: relative;
    overflow: hidden;
}

.btn-outline-primary {
    border-width: 1.5px;
}

.btn-outline-primary:hover {
    box-shadow: 0 4px 8px rgba(74, 109, 167, 0.25);
}

.btn::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: -100%;
    background: linear-gradient(
        90deg, 
        rgba(255, 255, 255, 0) 0%, 
        rgba(255, 255, 255, 0.2) 50%, 
        rgba(255, 255, 255, 0) 100%
    );
    transition: left 0.6s ease;
}

.btn:hover::after {
    left: 100%;
}

.dash-table-container {
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.position-relative {
    overflow: hidden;
}

/* Custom tooltip style */
.tooltip-inner {
    background-color: #1D3557;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    padding: 12px;
    max-width: 300px !important;
}

/* Main header styling */
.py-4 {
    padding-top: 2rem !important;
    padding-bottom: 2rem !important;
}

/* Modal styling */
.modal-content {
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    border: none;
}

.modal-header {
    border-bottom: 1px solid #DEE2E6;
    padding: 1.5rem;
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    border-top: 1px solid #DEE2E6;
    padding: 1.25rem;
}

/* Rounded pill style */
.rounded-pill {
    padding-left: 1.25rem !important;
    padding-right: 1.25rem !important;
}

/* Heatmap container */
.mb-4 {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--hover-transition);
}

.mb-4:hover {
    box-shadow: var(--shadow-md);
}

/* Style for the trend icons */
.bi-arrow-up-circle-fill {
    color: #2EC4B6 !important;
}

.bi-arrow-down-circle-fill {
    color: #E71D36 !important;
}

.bi-arrow-left-right-circle-fill {
    color: #FF9F1C !important;
}

/* Add a subtle highlight to row hover */
.table tr:hover {
    background-color: rgba(74, 109, 167, 0.03);
}

/* Loading animation */
.dash-spinner {
    border-color: #4361EE !important;
    border-right-color: transparent !important;
}

/* Model Container Styling */
.model-container {
    border-radius: var(--border-radius);
    overflow: hidden;
    background-color: white;
    box-shadow: var(--shadow-sm);
}

.model-container:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
    cursor: pointer;
}

.model-title-container {
    background: linear-gradient(180deg, rgba(255,255,255,1) 0%, rgba(255,255,255,0.95) 100%);
    z-index: 5;
    border-bottom: 1px solid rgba(0,0,0,0.05);
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.model-title {
    padding-left: 3.5rem !important;
    font-weight: 600;
    letter-spacing: 0;
    color: #4361EE !important;
    text-shadow: none;
    font-size: 1.1rem;
}

.graph-container {
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--hover-transition);
}

.graph-container:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.z-index-tooltip {
    z-index: 10;
}

/* Chart modal styling */
.chart-modal .modal-content {
    border-radius: 18px;
    overflow: hidden;
    border: none;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

/* Hover label improvements */
.js-plotly-plot .plotly .hoverlabel {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    font-family: 'Inter', sans-serif !important;
    border-radius: 8px;
    overflow: hidden;
    background-color: #ffffff !important;
    color: #2B2D42 !important;
    border: 1px solid #DEE2E6;
}

.js-plotly-plot .plotly .hoverlabel .hovertext {
    line-height: 1.5;
    color: #2B2D42 !important;
}

.js-plotly-plot .plotly .hoverlabel .hovertext b {
    color: #4361EE !important;
    font-weight: 600;
}

.js-plotly-plot .plotly .hoverlabel .hovertext span {
    color: #2B2D42 !important;
}

/* Time window buttons */
.time-window-btn {
    transition: all 0.2s ease-in-out;
}

.time-window-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.08);
}

/* Make scrolling smooth */
html {
    scroll-behavior: smooth;
}

/* Responsive fixes */
@media (max-width: 768px) {
    .tab-content {
        padding: 15px;
    }
    
    .nav-tabs .nav-link {
        padding: 8px 12px;
        font-size: 0.9rem;
    }
    
    .model-title {
        font-size: 0.95rem;
    }
}