/**
 * Transaction Flow Page Styles
 * D3.js force-directed graph visualization
 */

/* Search Card */
.flow-search-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 16px;
    margin-bottom: 16px;
}

.flow-search-row {
    display: flex;
    gap: 10px;
    align-items: center;
}

.flow-search-input-wrap {
    flex: 1;
    position: relative;
    display: flex;
    align-items: center;
}

.flow-search-input {
    width: 100%;
    padding: 10px 36px 10px 14px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 14px;
    font-family: inherit;
    outline: none;
    transition: border-color 0.2s;
}

.flow-search-input:focus {
    border-color: var(--accent-primary);
}

.flow-search-input::placeholder {
    color: var(--text-tertiary);
}

.flow-search-clear {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-tertiary);
    font-size: 20px;
    cursor: pointer;
    padding: 2px 6px;
    border-radius: 4px;
    line-height: 1;
    display: none;
}

.flow-search-clear:hover {
    color: var(--text-primary);
    background: var(--bg-tertiary);
}

.flow-search-clear.visible {
    display: block;
}

.flow-search-btn {
    padding: 10px 24px;
    background: var(--accent-primary);
    border: none;
    border-radius: 8px;
    color: #fff;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    white-space: nowrap;
    transition: opacity 0.2s;
}

.flow-search-btn:hover {
    opacity: 0.9;
}

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

/* Controls */
.flow-controls {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 10px 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.flow-control-group {
    display: flex;
    align-items: center;
    gap: 8px;
}

.flow-control-label {
    font-size: 12px;
    color: var(--text-tertiary);
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 0.3px;
    white-space: nowrap;
}

.flow-depth-btns {
    display: flex;
    gap: 2px;
}

.flow-depth-btn {
    width: 30px;
    height: 28px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-secondary);
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s;
}

.flow-depth-btn:hover {
    background: var(--bg-primary);
    color: var(--text-primary);
}

.flow-depth-btn.active {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: #fff;
}

.flow-select {
    padding: 5px 8px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 13px;
    outline: none;
    cursor: pointer;
    max-width: 180px;
}

.flow-select:focus {
    border-color: var(--accent-primary);
}

.flow-control-actions {
    margin-left: auto;
}

.flow-btn-secondary {
    padding: 5px 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-secondary);
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s;
}

.flow-btn-secondary:hover {
    background: var(--bg-primary);
    color: var(--text-primary);
    border-color: var(--text-tertiary);
}

.flow-stats {
    display: flex;
    gap: 16px;
    font-size: 12px;
    color: var(--text-tertiary);
    margin-left: 8px;
}

.flow-stats strong {
    color: var(--text-secondary);
}

/* Graph Container */
.flow-graph-wrapper {
    position: relative;
    display: none;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
}

.flow-graph-wrapper.fullscreen {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 9999;
    border-radius: 0;
    border: none;
}

.flow-graph-container {
    width: 100%;
    min-height: 400px;
    cursor: grab;
}

.flow-graph-container:active {
    cursor: grabbing;
}

.flow-graph-wrapper.fullscreen .flow-graph-container {
    height: 100vh !important;
    min-height: 100vh;
}

/* SVG Graph Elements */
.flow-graph-container svg {
    width: 100%;
    height: 100%;
    display: block;
}

/* Grid pattern background */
.flow-grid-pattern line {
    stroke: var(--border-color);
    stroke-width: 0.5;
    opacity: 0.3;
}

/* Nodes */
.flow-node {
    cursor: pointer;
}

.flow-node circle {
    stroke-width: 2;
    transition: r 0.2s;
}

.flow-node:hover circle {
    stroke-width: 3;
    filter: brightness(1.2);
}

.flow-node.expanded circle {
    stroke-dasharray: none;
}

.flow-node.unexpanded circle {
    stroke-dasharray: 4 2;
}

.flow-node-label {
    font-size: 13px;
    font-weight: 600;
    text-anchor: middle;
    pointer-events: none;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    paint-order: stroke;
    stroke: var(--bg-secondary);
    stroke-width: 3px;
    stroke-linejoin: round;
}

.flow-node-badge {
    font-size: 10px;
    text-anchor: middle;
    pointer-events: none;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* Links */
.flow-link {
    fill: none;
    stroke-opacity: 0.6;
    transition: stroke-opacity 0.2s;
}

.flow-link:hover {
    stroke-opacity: 1;
}

.flow-link-label {
    font-size: 11px;
    text-anchor: middle;
    pointer-events: none;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    paint-order: stroke;
    stroke: var(--bg-secondary);
    stroke-width: 3px;
    stroke-linejoin: round;
}

/* Tooltip */
.flow-tooltip {
    position: fixed;
    z-index: 10001;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 10px 14px;
    max-width: 320px;
    font-size: 12px;
    color: var(--text-primary);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
    pointer-events: none;
    line-height: 1.5;
}

.flow-tooltip-row {
    display: flex;
    justify-content: space-between;
    gap: 12px;
}

.flow-tooltip-label {
    color: var(--text-tertiary);
}

.flow-tooltip-value {
    font-weight: 600;
    text-align: right;
    word-break: break-all;
}

.flow-tooltip-address {
    font-family: 'Courier New', monospace;
    font-size: 11px;
    color: var(--accent-primary);
    margin-bottom: 6px;
    word-break: break-all;
}

.flow-tooltip-type {
    display: inline-block;
    padding: 1px 6px;
    border-radius: 3px;
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    margin-bottom: 6px;
}

.flow-tooltip-hint {
    color: var(--text-tertiary);
    font-size: 11px;
    margin-top: 6px;
    font-style: italic;
}

/* Info Panel */
.flow-info-panel {
    position: absolute;
    top: 0;
    right: 0;
    width: 320px;
    height: 100%;
    background: var(--bg-primary);
    border-left: 1px solid var(--border-color);
    overflow-y: auto;
    z-index: 100;
    animation: flow-panel-slide-in 0.2s ease-out;
}

@keyframes flow-panel-slide-in {
    from { transform: translateX(100%); }
    to { transform: translateX(0); }
}

.flow-panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 16px;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    background: var(--bg-primary);
}

.flow-panel-header h3 {
    margin: 0;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

.flow-panel-close {
    background: none;
    border: none;
    color: var(--text-tertiary);
    font-size: 22px;
    cursor: pointer;
    padding: 0 4px;
    line-height: 1;
}

.flow-panel-close:hover {
    color: var(--text-primary);
}

.flow-panel-body {
    padding: 16px;
}

.flow-panel-section {
    margin-bottom: 16px;
}

.flow-panel-section-title {
    font-size: 11px;
    color: var(--text-tertiary);
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 0.3px;
    margin-bottom: 8px;
}

.flow-panel-address {
    font-family: 'Courier New', monospace;
    font-size: 12px;
    color: var(--accent-primary);
    word-break: break-all;
    background: var(--bg-tertiary);
    padding: 8px 10px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.flow-panel-address code {
    flex: 1;
    word-break: break-all;
}

.flow-panel-copy-btn {
    background: none;
    border: none;
    color: var(--text-tertiary);
    cursor: pointer;
    padding: 2px;
    font-size: 14px;
    flex-shrink: 0;
}

.flow-panel-copy-btn:hover {
    color: var(--accent-primary);
}

.flow-panel-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
}

.flow-panel-badge.type-origin { background: rgba(29, 155, 240, 0.15); color: #1d9bf0; }
.flow-panel-badge.type-wallet { background: rgba(107, 114, 128, 0.15); color: #9ca3af; }
.flow-panel-badge.type-exchange { background: rgba(168, 85, 247, 0.15); color: #a855f7; }
.flow-panel-badge.type-contract { background: rgba(6, 182, 212, 0.15); color: #06b6d4; }
.flow-panel-badge.type-pool { background: rgba(6, 182, 212, 0.15); color: #06b6d4; }
.flow-panel-badge.type-burn { background: rgba(239, 68, 68, 0.15); color: #ef4444; }
.flow-panel-badge.type-owner { background: rgba(245, 158, 11, 0.15); color: #f59e0b; }
.flow-panel-badge.type-bridge { background: rgba(34, 197, 94, 0.15); color: #22c55e; }

.flow-panel-connections {
    list-style: none;
    padding: 0;
    margin: 0;
}

.flow-panel-connections li {
    padding: 6px 0;
    border-bottom: 1px solid var(--border-color);
    font-size: 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 8px;
}

.flow-panel-connections li:last-child {
    border-bottom: none;
}

.flow-panel-conn-addr {
    font-family: 'Courier New', monospace;
    font-size: 11px;
    color: var(--text-secondary);
}

.flow-panel-conn-amount {
    font-weight: 600;
    white-space: nowrap;
    font-size: 11px;
}

.flow-panel-conn-in { color: var(--positive-color, #22c55e); }
.flow-panel-conn-out { color: var(--negative-color, #ef4444); }

.flow-panel-links {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.flow-panel-link {
    display: inline-block;
    padding: 5px 10px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--accent-primary);
    text-decoration: none;
    font-size: 12px;
    transition: all 0.15s;
}

.flow-panel-link:hover {
    background: var(--bg-secondary);
    border-color: var(--accent-primary);
}

/* Legend */
.flow-legend {
    position: absolute;
    bottom: 12px;
    left: 12px;
    display: flex;
    gap: 12px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 6px 12px;
    font-size: 11px;
    color: var(--text-secondary);
    z-index: 10;
    flex-wrap: wrap;
}

.flow-legend-item {
    display: flex;
    align-items: center;
    gap: 4px;
    white-space: nowrap;
}

.flow-legend-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    display: inline-block;
}

.flow-legend-sep {
    width: 1px;
    height: 16px;
    background: var(--border-color);
    margin: 0 4px;
}

/* Loading */
.flow-loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 12px 20px;
    font-size: 13px;
    color: var(--text-secondary);
    z-index: 200;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}

.flow-loading-spinner {
    width: 18px;
    height: 18px;
    border: 2px solid var(--border-color);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: flow-spin 0.8s linear infinite;
}

@keyframes flow-spin {
    to { transform: rotate(360deg); }
}

/* Node warning */
.flow-warning {
    position: absolute;
    top: 12px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(245, 158, 11, 0.15);
    border: 1px solid rgba(245, 158, 11, 0.3);
    border-radius: 6px;
    padding: 6px 14px;
    font-size: 12px;
    color: #f59e0b;
    z-index: 10;
    white-space: nowrap;
}

/* Responsive */
@media (max-width: 768px) {
    .flow-controls {
        gap: 8px;
        padding: 8px 12px;
    }

    .flow-control-actions {
        margin-left: 0;
    }

    .flow-stats {
        width: 100%;
        margin-left: 0;
        justify-content: center;
    }

    .flow-graph-container {
        min-height: 350px;
    }

    .flow-info-panel {
        width: 100%;
        height: 50%;
        top: auto;
        bottom: 0;
        border-left: none;
        border-top: 1px solid var(--border-color);
        border-radius: 12px 12px 0 0;
    }

    .flow-legend {
        font-size: 10px;
        gap: 6px;
        padding: 4px 8px;
    }

    .flow-search-row {
        flex-direction: column;
    }

    .flow-search-input-wrap {
        width: 100%;
    }

    .flow-search-btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .flow-graph-container {
        min-height: 300px;
    }

    .flow-legend {
        flex-wrap: wrap;
        gap: 4px;
    }
}