/**
 * SVG Graph Network - Clean CSS without hardcoded themes
 * All node and edge styling is now handled by ThemeManager
 */

:root {
    /* Base system colors - no hardcoded node types */
    --bg-primary: #1a1a1a;
    --bg-secondary: #2a2a2a;
    --text-primary: #f0f0f0;
    --text-secondary: #a0a0a0;
    --border-color: rgba(255, 255, 255, 0.1);
    --panel-bg: rgba(42, 42, 42, 0.9);
    --button-primary: #38A169;
    --button-primary-hover: #2F855A;
    --link-color: #4299E1;
}

[data-theme="light"] {
    /* Light theme system colors */
    --bg-primary: #fafafa;
    --bg-secondary: #ffffff;
    --text-primary: #1a1a1a;
    --text-secondary: #666666;
    --border-color: rgba(0, 0, 0, 0.1);
    --panel-bg: rgba(255, 255, 255, 0.9);
    --link-color: #2563eb;
}

/* Container and base layout */
.graph-network-container {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    position: relative;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.graph-network-container * {
    box-sizing: border-box;
}

/* Canvas and background */
.graph-network-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--bg-secondary);
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
    transition: background-color 0.3s ease;
}

/* Grid background (will be controlled by ThemeManager canvas config) */
.graph-network-canvas::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    border-radius: 12px;
}

.graph-network-svg {
    width: 100%;
    height: 100%;
    position: relative;
    z-index: 1;
}

/* Base node and text styles - minimal, theme system handles colors */
.node-text,
.node-label {
    font-size: 14px;
    fill: var(--text-primary);
    pointer-events: none;
    text-anchor: middle;
    font-weight: bold;
    user-select: none;
    transition: fill 0.3s ease;
}

/* Base link styles - theme system handles colors */
.link {
    transition: stroke 0.3s ease;
}

/* Edge label styles */
.edge-label-background {
    fill: var(--bg-secondary);
    fill-opacity: 0.8;
    stroke: var(--border-color);
    stroke-width: 0.5px;
    rx: 3;
    ry: 3;
    transition: fill 0.3s ease, stroke 0.3s ease;
}

.edge-label-text {
    font-size: 10px;
    fill: var(--text-primary);
    text-anchor: middle;
    font-weight: bold;
    user-select: none;
    transition: fill 0.3s ease;
}

/* Hidden connection indicator */
.hidden-connection-indicator {
    fill: transparent;
    stroke: var(--link-color);
    stroke-width: 4px;
    stroke-dasharray: 6, 3;
    stroke-opacity: 0.9;
}

/* UI Components - Tooltip */
.graph-network-tooltip {
    position: absolute;
    background-color: var(--panel-bg);
    color: var(--text-primary);
    padding: 8px 12px;
    border-radius: 8px;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.2s ease-in-out;
    font-size: 14px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    z-index: 100;
}

/* UI Components - Settings Panel */
.graph-network-settings {
    position: absolute;
    bottom: 60px;
    right: 20px;
    background-color: var(--panel-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 15px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
    display: flex;
    flex-direction: column;
    gap: 10px;
    width: 200px;
    z-index: 50;
    
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s, background-color 0.3s ease, border-color 0.3s ease;
}

.graph-network-settings.is-open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.graph-network-settings h3 {
    margin: 0 0 10px 0;
    font-size: 14px;
}

.control-group {
    display: flex;
    flex-direction: column;
}

.control-group label {
    font-size: 12px;
    margin-bottom: 5px;
    color: var(--text-secondary);
    transition: color 0.3s ease;
}

.control-group input[type="range"] {
    -webkit-appearance: none;
    width: 100%;
    height: 5px;
    background: var(--text-secondary);
    outline: none;
    border-radius: 5px;
}

.control-group input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 15px;
    height: 15px;
    background: var(--text-primary);
    border-radius: 50%;
    cursor: pointer;
}

.control-group input[type="range"]::-moz-range-thumb {
    width: 15px;
    height: 15px;
    background: var(--text-primary);
    border-radius: 50%;
    cursor: pointer;
    border: none;
}

/* UI Components - Buttons */
.graph-network-reset-button {
    padding: 8px 15px;
    background-color: var(--button-primary);
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-weight: bold;
    transition: background-color 0.2s ease;
}

.graph-network-reset-button:hover {
    background-color: var(--button-primary-hover);
}

.graph-network-controls {
    position: absolute;
    bottom: 20px;
    right: 20px;
    display: flex;
    gap: 10px;
    z-index: 51;
}

.graph-network-settings-toggle, 
.graph-network-theme-toggle {
    background-color: var(--button-primary);
    color: white;
    width: 40px;
    height: 40px;
    border: none;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 20px;
    font-weight: bold;
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease, background-color 0.2s ease;
}

.graph-network-settings-toggle:hover, 
.graph-network-theme-toggle:hover {
    background-color: var(--button-primary-hover);
    transform: scale(1.1);
}

/* UI Components - Title and Info */
.graph-network-title {
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    color: var(--text-primary);
    font-size: 24px;
    font-weight: bold;
    z-index: 20;
    text-align: center;
    transition: color 0.3s ease;
}

.graph-network-view-info {
    position: absolute;
    top: 60px;
    left: 20px;
    color: var(--text-primary);
    font-size: 14px;
    z-index: 20;
    display: flex;
    flex-direction: row;
    gap: 10px;
    align-items: center;
    transition: color 0.3s ease;
}

.breadcrumb-link {
    color: var(--link-color);
    text-decoration: none;
    cursor: pointer;
}

.breadcrumb-link:hover {
    text-decoration: underline;
}

/* UI Components - Legend */
.graph-network-legend {
    position: absolute;
    top: 20px;
    right: 20px;
    background-color: var(--panel-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 15px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
    color: var(--text-primary);
    font-size: 12px;
    width: auto;
    min-width: 120px;
    z-index: 40;
    transition: all 0.3s ease;
}

.graph-network-legend-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.graph-network-legend-header h4 {
    margin: 0;
    font-size: 14px;
    font-weight: bold;
}

.graph-network-legend-toggle {
    background: none;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    font-size: 14px;
    padding: 2px;
    border-radius: 3px;
    transition: background-color 0.2s ease, color 0.3s ease;
}

.graph-network-legend-toggle:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

[data-theme="light"] .graph-network-legend-toggle:hover {
    background-color: rgba(0, 0, 0, 0.1);
}

.graph-network-legend-content {
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.graph-network-legend.minimized .graph-network-legend-content {
    opacity: 0;
    transform: translateY(-10px);
    pointer-events: none;
}

.graph-network-legend.minimized {
    width: 100px;
    padding: 8px 10px;
    height: 36px;
}

.graph-network-legend.minimized .graph-network-legend-header {
    margin-bottom: 0;
}

.graph-network-legend.minimized .graph-network-legend-header h4 {
    font-size: 12px;
}

.legend-section {
    margin-bottom: 15px;
}

.legend-section:last-child {
    margin-bottom: 0;
}

.legend-item,
.graph-network-legend-item {
    display: flex;
    align-items: center;
    margin-bottom: 8px;
    gap: 8px;
}

.legend-item:last-child,
.graph-network-legend-item:last-child {
    margin-bottom: 0;
}

.legend-shape,
.graph-network-legend-shape {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
    border-radius: 3px;
}

.graph-network-legend-shape.graph-network-legend-circle {
    border-radius: 50%;
}

.graph-network-legend-shape.graph-network-legend-rectangle {
    border-radius: 2px;
}

.legend-color {
    width: 12px;
    height: 12px;
    border-radius: 2px;
    flex-shrink: 0;
}

.legend-text {
    font-size: 11px;
}

/* Mobile Controls */
.graph-network-mobile-controls {
    display: flex;
    gap: 8px;
    margin-right: 10px;
}

.graph-network-zoom-button,
.graph-network-reset-view-button {
    background-color: var(--button-primary);
    color: white;
    width: 40px;
    height: 40px;
    border: none;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 20px;
    font-weight: bold;
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease, background-color 0.2s ease;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}

.graph-network-zoom-button:hover,
.graph-network-reset-view-button:hover {
    background-color: var(--button-primary-hover);
    transform: scale(1.1);
}

.graph-network-zoom-button:active,
.graph-network-reset-view-button:active {
    transform: scale(0.95);
    background-color: #276749;
}

.graph-network-zoom-in {
    font-size: 24px;
    line-height: 1;
}

.graph-network-zoom-out {
    font-size: 28px;
    line-height: 1;
}

/* State management classes - used by ThemeManager for visual states */
.graph-node,
.graph-edge {
    transition: all 0.2s ease;
}

/* Selection count indicator */
.graph-selection-count {
    position: absolute;
    bottom: 80px;
    left: 20px;
    background-color: var(--panel-bg);
    color: var(--text-primary);
    padding: 8px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: bold;
    border: 1px solid var(--border-color);
    opacity: 0;
    transform: translateY(10px);
    transition: all 0.3s ease;
    z-index: 30;
}

.graph-selection-count.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Highlight legend */
.graph-highlight-legend {
    position: absolute;
    bottom: 20px;
    left: 20px;
    background-color: var(--panel-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 12px;
    font-size: 11px;
    color: var(--text-primary);
    opacity: 0;
    transform: translateY(10px);
    transition: all 0.3s ease;
    z-index: 25;
    max-width: 200px;
}

.graph-highlight-legend.visible {
    opacity: 1;
    transform: translateY(0);
}

.graph-highlight-legend h5 {
    margin: 0 0 8px 0;
    font-size: 12px;
    font-weight: bold;
}

.graph-highlight-legend-item {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 4px;
}

.graph-highlight-legend-color {
    width: 12px;
    height: 12px;
    border-radius: 2px;
    flex-shrink: 0;
}

/* Multi-selection box indicator */
.graph-selection-box {
    fill: rgba(59, 130, 246, 0.1);
    stroke: #3b82f6;
    stroke-width: 2;
    stroke-dasharray: 4, 2;
    pointer-events: none;
}

/* Touch-friendly styles */
@media (hover: none) and (pointer: coarse) {
    /* Touch feedback is now handled by ThemeManager state management */
}

/* Responsive design for mobile devices */
@media (max-width: 768px) {
    .graph-network-container {
        font-size: 14px;
    }

    .graph-network-title {
        font-size: 18px;
        top: 10px;
    }

    .graph-network-view-info {
        top: 35px;
        left: 10px;
        font-size: 12px;
    }

    .graph-network-legend {
        top: 10px;
        right: 10px;
        min-width: 100px;
        font-size: 11px;
    }

    .graph-network-legend-header h4 {
        font-size: 12px;
    }

    .legend-text {
        font-size: 10px;
    }

    .graph-network-settings {
        bottom: 80px;
        right: 10px;
        width: 180px;
        font-size: 12px;
    }

    .graph-network-controls {
        bottom: 10px;
        right: 10px;
        gap: 8px;
    }

    .graph-network-settings-toggle, 
    .graph-network-theme-toggle {
        width: 36px;
        height: 36px;
        font-size: 16px;
    }

    .graph-network-zoom-button,
    .graph-network-reset-view-button {
        width: 36px;
        height: 36px;
        font-size: 18px;
    }

    .graph-network-zoom-in {
        font-size: 20px;
    }

    .graph-network-zoom-out {
        font-size: 24px;
    }

    .node-text {
        font-size: 12px;
        font-weight: bold;
    }

    .graph-selection-count,
    .graph-highlight-legend {
        bottom: 90px;
        left: 10px;
        font-size: 10px;
        padding: 6px 10px;
    }
    
    .graph-highlight-legend {
        max-width: 160px;
    }

    /* Hide tooltips on mobile to prevent interference */
    .graph-network-tooltip {
        display: none;
    }
}

/* Very small screens (phones in portrait) */
@media (max-width: 480px) {
    .graph-network-title {
        font-size: 16px;
        top: 5px;
    }

    .graph-network-view-info {
        top: 25px;
        left: 5px;
        font-size: 11px;
    }

    .graph-network-legend {
        top: 5px;
        right: 5px;
        padding: 10px;
        min-width: 80px;
    }

    .graph-network-settings {
        bottom: 70px;
        right: 5px;
        left: 5px;
        width: auto;
    }

    .graph-network-controls {
        bottom: 5px;
        right: 5px;
        gap: 6px;
    }

    .graph-network-settings-toggle, 
    .graph-network-theme-toggle {
        width: 32px;
        height: 32px;
        font-size: 14px;
    }

    .graph-network-zoom-button,
    .graph-network-reset-view-button {
        width: 32px;
        height: 32px;
        font-size: 16px;
    }

    .graph-network-zoom-in {
        font-size: 18px;
    }

    .graph-network-zoom-out {
        font-size: 20px;
    }

    .node-text {
        font-size: 11px;
    }

    .edge-label-text {
        font-size: 9px;
    }

    .graph-selection-count,
    .graph-highlight-legend {
        bottom: 80px;
        left: 5px;
        font-size: 9px;
        padding: 5px 8px;
    }
    
    .graph-highlight-legend {
        max-width: 140px;
    }
}

/* Hide mobile controls on desktop */
@media (min-width: 769px) {
    .graph-network-mobile-controls {
        display: none;
    }
}