/* Heatmap Specific Styles */

.heatmap-container {
    grid-area: heatmap;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    min-height: 600px;
}

.heatmap-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.heatmap-header h2 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.heatmap-controls {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.control-btn {
    background: var(--surface-light);
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    padding: 0.5rem 1rem;
    color: var(--text-primary);
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.2s;
}

.control-btn:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
}

.control-btn:active {
    transform: translateY(1px);
}

.control-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.control-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
    cursor: pointer;
    margin-left: 1rem;
}

.control-label input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--primary-color);
}

/* Heatmap Wrapper */
.heatmap-wrapper {
    flex: 1;
    display: grid;
    grid-template-columns: 60px 1fr 60px;
    grid-template-rows: 1fr;
    gap: 0.5rem;
    min-height: 400px;
    margin-bottom: 1rem;
}

.price-axis {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: flex-end;
    padding: 0.5rem;
    font-size: 0.75rem;
    color: var(--text-secondary);
    background: var(--surface-light);
    border-radius: 0.25rem;
}

.volume-axis {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: flex-start;
    padding: 0.5rem;
    font-size: 0.75rem;
    color: var(--text-secondary);
    background: var(--surface-light);
    border-radius: 0.25rem;
}

.heatmap-canvas-container {
    position: relative;
    background: var(--background-color);
    border-radius: 0.25rem;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

#heatmapCanvas {
    display: block;
    width: 100%;
    height: 100%;
    cursor: crosshair;
}

.heatmap-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 10;
}

/* Heatmap Tooltip */
.heatmap-tooltip {
    position: absolute;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    padding: 0.75rem;
    font-size: 0.875rem;
    color: var(--text-primary);
    box-shadow: var(--shadow-lg);
    z-index: 20;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.2s;
    max-width: 200px;
}

.heatmap-tooltip.show {
    opacity: 1;
}

.tooltip-price {
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 0.25rem;
}

.tooltip-volume {
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
}

.tooltip-side {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.tooltip-side.bid {
    color: var(--success-color);
}

.tooltip-side.ask {
    color: var(--error-color);
}

/* Heatmap Legend */
.heatmap-legend {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background: var(--surface-light);
    border-radius: 0.375rem;
    margin-top: auto;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.legend-color {
    width: 16px;
    height: 16px;
    border-radius: 0.25rem;
}

.bid-color {
    background: linear-gradient(135deg, 
        rgba(34, 197, 94, 0.3) 0%, 
        rgba(34, 197, 94, 0.8) 100%);
}

.ask-color {
    background: linear-gradient(135deg, 
        rgba(239, 68, 68, 0.3) 0%, 
        rgba(239, 68, 68, 0.8) 100%);
}

.intensity-scale {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.intensity-gradient {
    width: 100px;
    height: 8px;
    background: linear-gradient(90deg, 
        rgba(59, 130, 246, 0.2) 0%, 
        rgba(59, 130, 246, 0.5) 50%, 
        rgba(59, 130, 246, 1) 100%);
    border-radius: 4px;
}

/* Crosshair */
.heatmap-crosshair {
    position: absolute;
    pointer-events: none;
    z-index: 15;
}

.crosshair-line {
    position: absolute;
    background: rgba(59, 130, 246, 0.6);
}

.crosshair-horizontal {
    width: 100%;
    height: 1px;
    left: 0;
}

.crosshair-vertical {
    width: 1px;
    height: 100%;
    top: 0;
}

/* Price Level Indicators */
.price-level-indicator {
    position: absolute;
    right: -30px;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 0.25rem;
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
    color: var(--text-primary);
    white-space: nowrap;
    z-index: 20;
    transform: translateY(-50%);
}

.price-level-indicator.bid {
    border-left-color: var(--success-color);
    border-left-width: 3px;
}

.price-level-indicator.ask {
    border-left-color: var(--error-color);
    border-left-width: 3px;
}

/* Volume Bars */
.volume-bar {
    position: absolute;
    background: rgba(59, 130, 246, 0.3);
    border-radius: 2px;
    transition: all 0.3s ease;
}

.volume-bar.bid {
    background: rgba(34, 197, 94, 0.3);
}

.volume-bar.ask {
    background: rgba(239, 68, 68, 0.3);
}

.volume-bar:hover {
    opacity: 0.8;
    transform: scaleX(1.05);
}

/* Zoom Controls */
.zoom-indicator {
    position: absolute;
    top: 10px;
    right: 10px;
    background: rgba(15, 23, 42, 0.8);
    border: 1px solid var(--border-color);
    border-radius: 0.25rem;
    padding: 0.5rem;
    font-size: 0.75rem;
    color: var(--text-secondary);
    backdrop-filter: blur(4px);
    z-index: 25;
}

/* Loading State */
.heatmap-loading {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 400px;
    color: var(--text-secondary);
}

.heatmap-loading .loading-spinner {
    width: 32px;
    height: 32px;
    margin-bottom: 1rem;
}

/* Error State */
.heatmap-error {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 400px;
    color: var(--error-color);
    text-align: center;
}

.heatmap-error-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.heatmap-error-message {
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.heatmap-error-details {
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* Animation Classes */
.heatmap-fade-in {
    animation: heatmapFadeIn 0.5s ease-in;
}

@keyframes heatmapFadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.heatmap-pulse {
    animation: heatmapPulse 2s infinite;
}

@keyframes heatmapPulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

/* Responsive Heatmap */
@media (max-width: 768px) {
    .heatmap-wrapper {
        grid-template-columns: 50px 1fr 50px;
        min-height: 300px;
    }
    
    .heatmap-header {
        flex-direction: column;
        gap: 1rem;
        align-items: stretch;
    }
    
    .heatmap-controls {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .heatmap-legend {
        flex-direction: column;
        gap: 1rem;
        align-items: stretch;
    }
    
    .intensity-scale {
        justify-content: center;
    }
    
    .price-axis,
    .volume-axis {
        font-size: 0.625rem;
        padding: 0.25rem;
    }
}