/**
 * Filament Diagrammer - Styles
 *
 * Uses CSS custom properties (set via inline styles from PHP config) for theming.
 * Fallback values match the plugin defaults.
 *
 * @package codenzia/filament-diagrammer
 * @author Codenzia
 */

/* ─── Canvas ──────────────────────────────────────────────────────── */
.filament-diagrammer {
    user-select: none;
    -webkit-user-select: none;
}

.diagram-canvas-wrapper {
    position: relative;
    overflow: hidden;
    background: var(--diagrammer-canvas-bg, #f8fafc);
}

.dark .diagram-canvas-wrapper {
    background: var(--diagrammer-canvas-dark-bg, #1a1b1e);
}

/* ─── Nodes ───────────────────────────────────────────────────────── */
.diagram-node {
    z-index: 5;
    transition: box-shadow 0.15s ease;
}

.diagram-node:hover {
    z-index: 10;
}

.diagram-node .diagram-node-inner {
    background: #ffffff;
    border-color: #e5e7eb;
    min-height: 60px;
    position: relative;
}

.dark .diagram-node .diagram-node-inner {
    background: #1f2937;
    border-color: rgba(75, 85, 99, 0.5);
}

.diagram-node:hover .diagram-node-inner {
    border-color: rgba(156, 163, 175, 0.8);
}

.dark .diagram-node:hover .diagram-node-inner {
    border-color: rgba(107, 114, 128, 0.8);
}

/* ─── Node Sections ───────────────────────────────────────────────── */
.diagram-node-header {
    min-height: 28px;
}

.diagram-node-body {
    min-height: 30px;
}

.diagram-node-footer {
    min-height: 24px;
}

.diagram-node-sidebar-left,
.diagram-node-sidebar-right {
    min-width: 32px;
    max-width: 60px;
    background: rgba(243, 244, 246, 0.5);
    border-color: rgba(229, 231, 235, 0.5);
}

.dark .diagram-node-sidebar-left,
.dark .diagram-node-sidebar-right {
    background: rgba(31, 41, 55, 0.5);
    border-color: rgba(75, 85, 99, 0.3);
}

/* ─── jsPlumb Endpoints ──────────────────────────────────────────── */
.jtk-endpoint {
    z-index: -1;
    opacity: 0;
    transition: opacity 0.2s ease, transform 0.15s ease, box-shadow 0.15s ease;
}

.diagram-node:hover .jtk-endpoint,
.jtk-endpoint.jtk-hover,
.jtk-endpoint.jtk-dragging {
    opacity: 1;
    z-index: 20;
}

/* Drag-to-connect endpoints — crosshair cursor and hover effects */
.jtk-endpoint.diagram-endpoint-source,
.jtk-endpoint.diagram-endpoint-target {
    cursor: crosshair;
}

.jtk-endpoint.diagram-endpoint-source.jtk-hover,
.jtk-endpoint.diagram-endpoint-target.jtk-hover {
    transform: scale(1.5);
    filter: drop-shadow(0 0 4px currentColor);
}

.jtk-endpoint.diagram-endpoint-source.jtk-dragging,
.jtk-endpoint.diagram-endpoint-target.jtk-dragging {
    transform: scale(1.3);
}

/* Show all endpoints while dragging a new connection */
.jtk-drag-active .jtk-endpoint {
    opacity: 1;
}

.jtk-endpoint.jtk-endpoint-connected {
    opacity: 0.5;
}

/* ─── Drag-to-Connect Port Elements ──────────────────────────────── */
.diagram-port {
    opacity: 0;
    transition: opacity 0.2s ease, transform 0.15s ease, background-color 0.15s ease;
    pointer-events: none;
}

.diagram-node:hover .diagram-port {
    opacity: 1;
    pointer-events: auto;
}

.diagram-port:hover {
    transform: scale(1.6);
}

.diagram-port-source:hover {
    background: #3b82f6 !important;
    border-color: #ffffff !important;
    box-shadow: 0 0 6px rgba(59, 130, 246, 0.6);
}

.diagram-port-target:hover {
    background: #22c55e !important;
    border-color: #ffffff !important;
    box-shadow: 0 0 6px rgba(34, 197, 94, 0.6);
}

/* While dragging a connection, show all target ports and highlight nodes on hover */
.jtk-drag-active .diagram-port-target {
    opacity: 1;
    pointer-events: auto;
}

.jtk-drag-active .diagram-node:hover .diagram-node-inner {
    border-color: rgba(34, 197, 94, 0.6) !important;
    box-shadow: 0 0 0 2px rgba(34, 197, 94, 0.3), 0 0 12px rgba(34, 197, 94, 0.15);
}

.jtk-drag-active .diagram-node .diagram-port-target {
    background: rgba(34, 197, 94, 0.5) !important;
    border-color: #22c55e !important;
}

.diagram-node:hover .jtk-endpoint.jtk-endpoint-connected {
    opacity: 1;
}

/* ─── jsPlumb Connections ────────────────────────────────────────── */
.jtk-connector {
    z-index: 1;
}

.jtk-connector path {
    cursor: pointer;
}

.jtk-connector.jtk-hover path {
    stroke-width: var(--diagrammer-connection-hover-width, 3);
}

.diagram-connection-selected path {
    stroke: var(--diagrammer-selection-color, #f59e0b) !important;
    stroke-width: var(--diagrammer-connection-hover-width, 3) !important;
}

.diagram-connection-animated path {
    stroke-dasharray: 8 4;
    animation: diagram-dash-flow 1s linear infinite;
}

@keyframes diagram-dash-flow {
    from { stroke-dashoffset: 24; }
    to { stroke-dashoffset: 0; }
}

/* ─── jsPlumb Connection Labels ──────────────────────────────────── */
.diagram-connection-label {
    background: rgba(255, 255, 255, 0.9);
    color: #6b7280;
    font-size: 11px;
    padding: 2px 6px;
    border-radius: 4px;
    border: 1px solid rgba(209, 213, 219, 0.5);
    white-space: nowrap;
    pointer-events: none;
    z-index: 5;
}

.dark .diagram-connection-label {
    background: rgba(31, 41, 55, 0.9);
    color: #9ca3af;
    border-color: rgba(75, 85, 99, 0.5);
}

/* ─── jsPlumb Drag States ────────────────────────────────────────── */
.jtk-drag-hover {
    outline: 2px dashed rgba(59, 130, 246, 0.6);
    outline-offset: 4px;
    border-radius: 12px;
}

.jtk-source-hover,
.jtk-target-hover {
    outline: 2px solid rgba(34, 197, 94, 0.4);
    outline-offset: 4px;
    border-radius: 12px;
}

/* ─── Selection ───────────────────────────────────────────────────── */
.diagram-node.selected {
    z-index: 15;
}

.diagram-node.selected .diagram-node-inner {
    border-color: var(--diagrammer-selection-color, #f59e0b) !important;
    box-shadow: 0 0 0 2px color-mix(in srgb, var(--diagrammer-selection-color, #f59e0b) 40%, transparent),
                0 0 12px color-mix(in srgb, var(--diagrammer-selection-color, #f59e0b) 15%, transparent);
}

.dark .diagram-node.selected .diagram-node-inner {
    border-color: var(--diagrammer-selection-color, #f59e0b) !important;
    box-shadow: 0 0 0 2px color-mix(in srgb, var(--diagrammer-selection-color, #f59e0b) 50%, transparent),
                0 0 16px color-mix(in srgb, var(--diagrammer-selection-color, #f59e0b) 20%, transparent);
}

/* ─── Grid Types ──────────────────────────────────────────────────── */
.diagram-grid {
    pointer-events: none;
    background-image: radial-gradient(circle, var(--diagrammer-grid-color, #d1d5db) 1px, transparent 1px);
    background-size: var(--diagrammer-grid-size, 20px) var(--diagrammer-grid-size, 20px);
}

.dark .diagram-grid {
    background-image: radial-gradient(circle, var(--diagrammer-grid-dark-color, #2a2b2e) 1px, transparent 1px);
    background-size: var(--diagrammer-grid-size, 20px) var(--diagrammer-grid-size, 20px);
}

/* Grid type: lines (applied via class) */
.diagram-grid.diagram-grid--lines {
    background-image:
        linear-gradient(var(--diagrammer-grid-color, #d1d5db) 1px, transparent 1px),
        linear-gradient(90deg, var(--diagrammer-grid-color, #d1d5db) 1px, transparent 1px);
}

.dark .diagram-grid.diagram-grid--lines {
    background-image:
        linear-gradient(var(--diagrammer-grid-dark-color, #2a2b2e) 1px, transparent 1px),
        linear-gradient(90deg, var(--diagrammer-grid-dark-color, #2a2b2e) 1px, transparent 1px);
}

/* ─── Shapes — visual styling on inner div (outer stays clean for jsPlumb) ── */
/* Polygon shapes: clip-path is set via inline style from Blade/JS.
   Content sizing "fit": outer dimensions and inner padding are calculated
   in PHP (NodeShape::outerDimensions) and applied as inline styles. */

/* ─── Content Sizing: clip — just clip overflow at shape boundary ── */
.diagram-node[data-content-sizing="clip"] .diagram-node-inner {
    overflow: hidden;
}

/* ─── Palette ─────────────────────────────────────────────────────── */
.diagram-palette {
    background: #f9fafb;
    border-right: 1px solid #e5e7eb;
}

.dark .diagram-palette {
    background: rgba(17, 24, 39, 0.5);
    border-right-color: #374151;
}

.diagram-palette-header {
    border-bottom: 1px solid #e5e7eb;
}

.dark .diagram-palette-header {
    border-bottom-color: #374151;
}

.diagram-palette-item {
    background: #ffffff;
    border: 1px solid #e5e7eb;
}

.dark .diagram-palette-item {
    background: #1f2937;
    border-color: #374151;
}

/* ─── Toolbar ─────────────────────────────────────────────────────── */
.diagram-toolbar {
    background: #ffffff;
    border-color: #e5e7eb;
}

.dark .diagram-toolbar {
    background: #111827;
    border-color: #374151;
}

.diagram-toolbar .toolbar-btn:active {
    transform: scale(0.95);
}

.diagram-toolbar .toolbar-btn--active {
    background: #eff6ff;
    color: var(--primary-600, #ea580c);
    box-shadow: inset 0 0 0 1px rgba(var(--primary-500), 0.3);
}

.dark .diagram-toolbar .toolbar-btn--active {
    background: rgba(var(--primary-500), 0.15);
    color: var(--primary-400, #fb923c);
    box-shadow: inset 0 0 0 1px rgba(var(--primary-500), 0.3);
}

/* ─── Zoom Controls ───────────────────────────────────────────────── */
.diagram-zoom-controls {
    background: rgba(255, 255, 255, 0.9);
    border-color: rgba(229, 231, 235, 0.5);
}

.dark .diagram-zoom-controls {
    background: rgba(31, 41, 55, 0.9);
    border-color: rgba(75, 85, 99, 0.5);
}

.diagram-zoom-controls button:active {
    transform: scale(0.9);
}

/* ─── Fullscreen ─────────────────────────────────────────────────── */
.filament-diagrammer:fullscreen,
.filament-diagrammer.is-fullscreen {
    background: var(--diagrammer-canvas-bg, #f8fafc);
    height: 100vh !important;
}

.dark .filament-diagrammer:fullscreen,
.dark .filament-diagrammer.is-fullscreen {
    background: var(--diagrammer-canvas-dark-bg, #1a1b1e);
}

.filament-diagrammer:fullscreen .diagram-canvas-wrapper,
.filament-diagrammer.is-fullscreen .diagram-canvas-wrapper {
    height: 100% !important;
}

/* ─── Rubber-Band Selection ───────────────────────────────────────── */
.diagram-rubber-band {
    position: absolute;
    border: 1px dashed var(--diagrammer-selection-color, #f59e0b);
    background: color-mix(in srgb, var(--diagrammer-selection-color, #f59e0b) 10%, transparent);
    pointer-events: none;
    z-index: 30;
}

/* ─── Context Menu ────────────────────────────────────────────────── */
.diagram-context-menu {
    position: fixed;
    min-width: 180px;
    display: flex;
    flex-direction: column;
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 4px 10px -5px rgba(0, 0, 0, 0.04);
    padding: 4px;
    z-index: 100;
    font-size: 13px;
    color: #374151;
}

.dark .diagram-context-menu {
    background: #1f2937;
    border-color: #374151;
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.3), 0 4px 10px -5px rgba(0, 0, 0, 0.15);
    color: #d1d5db;
}

.diagram-context-menu-item {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    padding: 6px 10px;
    border-radius: 4px;
    border: none;
    background: none;
    color: inherit;
    font: inherit;
    text-align: left;
    cursor: pointer;
    white-space: nowrap;
    transition: background-color 0.1s ease;
}

.diagram-context-menu-item:hover {
    background: #f3f4f6;
}

.dark .diagram-context-menu-item:hover {
    background: #374151;
}

.diagram-context-menu-item--destructive {
    color: #ef4444;
}

.dark .diagram-context-menu-item--destructive {
    color: #f87171;
}

.diagram-context-menu-item--destructive:hover {
    background: #fef2f2;
}

.dark .diagram-context-menu-item--destructive:hover {
    background: rgba(239, 68, 68, 0.15);
}

.diagram-context-menu-item svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
    opacity: 0.7;
}

.diagram-context-menu-item span {
    flex: 1;
}

.diagram-context-menu-item .shortcut {
    font-size: 11px;
    opacity: 0.5;
    margin-left: 12px;
}

.diagram-context-menu-separator {
    height: 1px;
    background: #e5e7eb;
    margin: 4px 0;
}

.dark .diagram-context-menu-separator {
    background: #374151;
}

.diagram-context-menu-submenu {
    position: relative;
}

.diagram-context-menu-submenu > .diagram-context-menu {
    position: absolute;
    left: 100%;
    top: -4px;
    display: none;
}

.diagram-context-menu-submenu:hover > .diagram-context-menu {
    display: block;
}

.diagram-context-menu-submenu > .diagram-context-menu-item::after {
    content: '›';
    margin-left: auto;
    font-size: 16px;
    opacity: 0.5;
}

/* ─── Clickable Connection Labels ─────────────────────────────────── */
.diagram-connection-label--clickable {
    pointer-events: auto;
    cursor: pointer;
    transition: background-color 0.15s ease, border-color 0.15s ease;
}

.diagram-connection-label--clickable:hover {
    background: color-mix(in srgb, var(--diagrammer-selection-color, #f59e0b) 15%, white);
    border-color: var(--diagrammer-selection-color, #f59e0b);
    color: var(--diagrammer-selection-color, #f59e0b);
}

.dark .diagram-connection-label--clickable:hover {
    background: color-mix(in srgb, var(--diagrammer-selection-color, #f59e0b) 20%, #1f2937);
    border-color: var(--diagrammer-selection-color, #f59e0b);
    color: var(--diagrammer-selection-color, #f59e0b);
}

/* ─── Alignment Guides ────────────────────────────────────────────── */
.diagram-alignment-guide {
    position: absolute;
    background: #3b82f6;
    pointer-events: none;
    z-index: 25;
    display: none;
}

.diagram-alignment-guide--horizontal {
    height: 1px;
    left: 0;
    right: 0;
}

.diagram-alignment-guide--vertical {
    width: 1px;
    top: 0;
    bottom: 0;
}

/* ─── Minimap ─────────────────────────────────────────────────────── */
.diagram-minimap {
    position: absolute;
    width: 180px;
    height: 120px;
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    overflow: hidden;
    z-index: 20;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    cursor: pointer;
}

.dark .diagram-minimap {
    background: rgba(31, 41, 55, 0.95);
    border-color: #374151;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.diagram-minimap canvas {
    width: 100%;
    height: 100%;
    display: block;
}

.diagram-minimap--bottom-right {
    bottom: 12px;
    right: 12px;
}

.diagram-minimap--bottom-left {
    bottom: 12px;
    left: 12px;
}

.diagram-minimap--top-right {
    top: 12px;
    right: 12px;
}

.diagram-minimap--top-left {
    top: 12px;
    left: 12px;
}

/* ─── Print ───────────────────────────────────────────────────────── */
@media print {
    .diagram-toolbar,
    .diagram-zoom-controls,
    .diagram-minimap,
    .jtk-endpoint {
        display: none !important;
    }
}