:root {
    --primary: #0A2540;
    --secondary: #00D4AA;
    --accent: #635BFF;
    --gold: #FFB800;
    --surface: #F6F9FC;
}
* { font-family: 'DM Sans', sans-serif; }
h1, h2, h3, .font-display { font-family: 'Space Grotesk', sans-serif; }

.gradient-bg {
    background: linear-gradient(135deg, #0A2540 0%, #1a365d 50%, #0A2540 100%);
}

.card-glass {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.fund-card {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.fund-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px -12px rgba(0, 0, 0, 0.15);
}

.nav-tab {
    position: relative;
    transition: all 0.2s ease;
}

.nav-tab.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #00D4AA, #635BFF);
    border-radius: 2px;
}

.metric-value {
    background: linear-gradient(135deg, #0A2540, #1a365d);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.positive { color: #00D4AA; }
.negative { color: #FF6B6B; }

.loader {
    border: 3px solid #f3f3f3;
    border-top: 3px solid #00D4AA;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

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

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* Input styling */
input[type="range"] {
    -webkit-appearance: none;
    height: 6px;
    background: #e2e8f0;
    border-radius: 3px;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    background: linear-gradient(135deg, #00D4AA, #635BFF);
    border-radius: 50%;
    cursor: pointer;
}

.input-group {
    display: flex;
    align-items: center;
    gap: 12px;
}

.input-group input[type="number"] {
    width: 140px;
    padding: 8px 12px;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-weight: 600;
    transition: border-color 0.2s;
}

.input-group input[type="number"]:focus {
    outline: none;
    border-color: #00D4AA;
}

.chart-container {
    position: relative;
    height: 350px;
    width: 100%;
}

.risk-meter {
    background: linear-gradient(90deg, #00D4AA 0%, #FFB800 50%, #FF6B6B 100%);
    height: 8px;
    border-radius: 4px;
}

/* D3 Chart Styles */
.d3-chart {
    width: 100%;
    height: 100%;
}

.d3-chart .axis path,
.d3-chart .axis line {
    stroke: #e2e8f0;
}

.d3-chart .axis text {
    fill: #64748b;
    font-size: 11px;
}

.d3-chart .grid line {
    stroke: #f1f5f9;
    stroke-opacity: 0.7;
}

.d3-chart .grid path {
    stroke-width: 0;
}

.chart-line {
    fill: none;
    stroke-width: 2.5;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.chart-area {
    opacity: 0.15;
}

.chart-dot {
    cursor: pointer;
    transition: r 0.2s ease;
}

.chart-dot:hover {
    r: 8;
}

.d3-tooltip {
    position: absolute;
    background: rgba(10, 37, 64, 0.95);
    color: white;
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 12px;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.2s;
    z-index: 100;
    box-shadow: 0 4px 20px rgba(0,0,0,0.2);
    max-width: 280px;
}

.d3-tooltip.visible {
    opacity: 1;
}

.d3-tooltip .tooltip-title {
    font-weight: 600;
    margin-bottom: 8px;
    padding-bottom: 8px;
    border-bottom: 1px solid rgba(255,255,255,0.2);
}

.d3-tooltip .tooltip-row {
    display: flex;
    justify-content: space-between;
    margin: 4px 0;
}

.d3-tooltip .tooltip-label {
    color: #94a3b8;
    margin-right: 12px;
}

.d3-tooltip .tooltip-value {
    font-weight: 600;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 4px 12px;
    cursor: pointer;
    border-radius: 6px;
    transition: background 0.2s;
}

.legend-item:hover {
    background: #f1f5f9;
}

.legend-item.inactive {
    opacity: 0.4;
}

.legend-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.legend-text {
    font-size: 12px;
    font-weight: 500;
}

/* Download button */
.download-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    background: linear-gradient(135deg, #0A2540, #1a365d);
    color: white;
    border-radius: 8px;
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
}

.download-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(10, 37, 64, 0.3);
}

.download-btn svg {
    width: 16px;
    height: 16px;
}

/* Bar chart styles */
.bar-rect {
    transition: opacity 0.2s;
    cursor: pointer;
}

.bar-rect:hover {
    opacity: 0.8;
}

.bar-label {
    fill: white;
    font-size: 11px;
    font-weight: 600;
}

/* Scatter plot styles */
.scatter-bubble {
    cursor: pointer;
    transition: all 0.2s;
}

.scatter-bubble:hover {
    stroke-width: 3;
}

.quadrant-label {
    fill: #94a3b8;
    font-size: 11px;
    font-weight: 500;
}

.scrollbar-hide::-webkit-scrollbar { display: none; }
.scrollbar-hide { -ms-overflow-style: none; scrollbar-width: none; }

/* Date range selectors */
.date-select {
    padding: 8px 12px;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    background: white;
    cursor: pointer;
    transition: border-color 0.2s;
}

.date-select:focus {
    outline: none;
    border-color: #00D4AA;
}