/* ============================================
 * Node Editor Tab — Vibrant Light Theme
 * Urban Design Toolkit — DaVinci Lab
 * ============================================ */

/* ---- Tab Layout ---- */
.node-editor-container {
    display: grid;
    grid-template-columns: 230px 1fr 280px;
    grid-template-rows: 48px 1fr;
    height: 100%;
    min-height: 0;
    background: var(--bg-primary);
}

/* ---- Toolbar ---- */
.ne-toolbar {
    grid-column: 1 / -1;
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 0 14px;
    background: #FFFFFF;
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04);
    z-index: 10;
}

.ne-toolbar-group {
    display: flex;
    align-items: center;
    gap: 3px;
}

.ne-toolbar-divider {
    width: 1px;
    height: 22px;
    background: var(--border-color);
    margin: 0 8px;
}

.ne-toolbar-btn {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 6px 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: #FFFFFF;
    color: var(--text-secondary);
    font-family: inherit;
    font-size: 11.5px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.ne-toolbar-btn::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.06), transparent);
    opacity: 0;
    transition: opacity 0.2s;
}

.ne-toolbar-btn:hover {
    background: var(--accent-light);
    color: var(--accent);
    border-color: var(--accent);
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.12);
}

.ne-toolbar-btn:hover::after {
    opacity: 1;
}

.ne-toolbar-btn:active {
    transform: translateY(0);
    box-shadow: none;
}

.ne-toolbar-btn.primary {
    background: linear-gradient(135deg, var(--accent), var(--accent-hover));
    color: #fff;
    border-color: var(--accent);
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.25);
}

.ne-toolbar-btn.primary:hover {
    filter: brightness(1.08);
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(37, 99, 235, 0.3);
}

.ne-toolbar-btn.running {
    background: linear-gradient(135deg, #EF4444, #DC2626);
    color: #fff;
    border-color: #EF4444;
    animation: ne-pulse-glow 2s ease-in-out infinite;
}

@keyframes ne-pulse-glow {

    0%,
    100% {
        box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.3);
    }

    50% {
        box-shadow: 0 0 0 6px rgba(239, 68, 68, 0.08);
    }
}

.ne-toolbar-label {
    font-size: 10.5px;
    color: var(--text-muted);
    margin-left: 4px;
    font-weight: 500;
}

/* ---- Node Library Sidebar ---- */
.ne-library {
    display: flex;
    flex-direction: column;
    background: #FFFFFF;
    border-right: 1px solid var(--border-color);
    overflow: hidden;
    min-height: 0;
}

.ne-library-header {
    padding: 12px 14px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--accent);
    border-bottom: 1px solid var(--border-color);
    background: linear-gradient(180deg, #F8FAFF, #FFFFFF);
    display: flex;
    align-items: center;
    gap: 6px;
}

.ne-library-header::before {
    content: '';
    display: inline-block;
    width: 3px;
    height: 14px;
    background: linear-gradient(180deg, var(--accent), #A855F7);
    border-radius: 2px;
}

.ne-library-search {
    padding: 10px 12px;
    border-bottom: 1px solid var(--border-color);
    background: #FAFBFF;
}

.ne-library-search input {
    width: 100%;
    padding: 7px 12px 7px 32px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: #FFFFFF;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 12px;
    box-sizing: border-box;
    transition: all 0.2s;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%23999' stroke-width='2'%3E%3Ccircle cx='11' cy='11' r='8'/%3E%3Cpath d='m21 21-4.3-4.3'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: 10px center;
}

.ne-library-search input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
    background-color: #FFFFFF;
}

.ne-library-scroll {
    flex: 1;
    overflow-y: auto;
    padding: 6px 0;
    min-height: 0;
}

.ne-lib-category {
    margin-bottom: 2px;
}

.ne-lib-cat-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    font-size: 11.5px;
    font-weight: 600;
    color: var(--text-primary);
    cursor: pointer;
    user-select: none;
    transition: all 0.2s;
    border-radius: 0;
    position: relative;
}

.ne-lib-cat-header:hover {
    background: var(--accent-light);
    color: var(--accent);
}

.ne-lib-cat-chevron {
    font-size: 8px;
    color: var(--text-muted);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.ne-lib-category.collapsed .ne-lib-cat-chevron {
    transform: rotate(-90deg);
}

.ne-lib-category.collapsed .ne-lib-cat-items {
    display: none;
}

.ne-lib-cat-items {
    animation: ne-slide-down 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes ne-slide-down {
    from {
        opacity: 0;
        transform: translateY(-4px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.ne-lib-node {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px 6px 28px;
    font-size: 11.5px;
    color: var(--text-secondary);
    cursor: grab;
    transition: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    user-select: none;
    border-radius: 0;
    position: relative;
}

.ne-lib-node::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: transparent;
    transition: background 0.15s;
    border-radius: 0 2px 2px 0;
}

.ne-lib-node:hover {
    background: var(--accent-light);
    color: var(--accent);
    padding-left: 32px;
}

.ne-lib-node:hover::before {
    background: var(--accent);
}

.ne-lib-node:active {
    cursor: grabbing;
    transform: scale(0.98);
}

.ne-lib-node-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
    box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.9), 0 0 6px currentColor;
    transition: transform 0.2s, box-shadow 0.2s;
}

.ne-lib-node:hover .ne-lib-node-dot {
    transform: scale(1.25);
    box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.9), 0 0 12px currentColor;
}

/* ---- Canvas Area ---- */
.ne-canvas-wrap {
    position: relative;
    overflow: hidden;
    min-height: 0;
    background: #F0F4FF;
    border-radius: 0;
}

.ne-canvas-wrap canvas {
    width: 100% !important;
    height: 100% !important;
}

/* Animated drop zone glow */
.ne-canvas-wrap.drag-over::after {
    content: '';
    position: absolute;
    inset: 0;
    border: 2px dashed var(--accent);
    border-radius: 8px;
    background: rgba(37, 99, 235, 0.04);
    pointer-events: none;
    animation: ne-drop-pulse 1.5s ease-in-out infinite;
    z-index: 5;
}

@keyframes ne-drop-pulse {

    0%,
    100% {
        border-color: rgba(37, 99, 235, 0.3);
    }

    50% {
        border-color: rgba(37, 99, 235, 0.6);
    }
}

/* ---- Preview Panel ---- */
.ne-preview {
    display: flex;
    flex-direction: column;
    background: #FFFFFF;
    border-left: 1px solid var(--border-color);
    overflow: hidden;
    min-height: 0;
}

.ne-preview-header {
    padding: 12px 14px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--accent);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: linear-gradient(180deg, #F8FAFF, #FFFFFF);
}

.ne-preview-body {
    flex: 1;
    overflow-y: auto;
    min-height: 0;
    padding: 12px;
}

.ne-preview-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--text-muted);
    font-size: 12px;
    text-align: center;
    gap: 10px;
}

.ne-preview-empty svg {
    opacity: 0.2;
    color: var(--accent);
}

.ne-preview-image {
    width: 100%;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    margin-bottom: 10px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    transition: transform 0.2s;
}

.ne-preview-image:hover {
    transform: scale(1.02);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.ne-preview-text {
    font-size: 11.5px;
    color: var(--text-secondary);
    line-height: 1.6;
    white-space: pre-wrap;
    word-break: break-word;
    background: var(--bg-tertiary);
    padding: 12px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    max-height: 300px;
    overflow-y: auto;
    font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
}

/* ---- Progress Overlay ---- */
.ne-progress-overlay {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(16px) saturate(1.5);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    padding: 14px 24px;
    display: flex;
    align-items: center;
    gap: 14px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1), 0 0 0 1px rgba(37, 99, 235, 0.08);
    z-index: 20;
    font-size: 12px;
    color: var(--text-primary);
    min-width: 300px;
    font-weight: 500;
}

.ne-progress-bar {
    flex: 1;
    height: 5px;
    background: var(--bg-tertiary);
    border-radius: 3px;
    overflow: hidden;
    position: relative;
}

.ne-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent), #A855F7);
    border-radius: 3px;
    transition: width 0.3s ease;
    position: relative;
}

/* Shimmer animation on progress */
.ne-progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg,
            transparent,
            rgba(255, 255, 255, 0.4),
            transparent);
    animation: ne-shimmer 1.5s ease-in-out infinite;
}

@keyframes ne-shimmer {
    0% {
        transform: translateX(-100%);
    }

    100% {
        transform: translateX(100%);
    }
}

.ne-progress-overlay.hidden {
    display: none;
}

/* ============================================
 * LiteGraph.js — Vibrant Light Theme Overrides
 * ============================================ */

/* Canvas background — light blue-white */
.ne-canvas-wrap .litegraph.litegraph-canvas,
.ne-canvas-wrap canvas.graphcanvas {
    background-color: #F0F4FF !important;
}

/* ----- Node Body ----- */
.litecontextmenu,
.litegraph .lgraphcanvas .graphnode,
.lgraphcanvas .graphnode {
    font-family: 'Inter', 'Segoe UI', system-ui, sans-serif !important;
}

/* Node slot colors — harmonious palette */
.lgraphcanvas .slot_IMAGE {
    color: #E11D48 !important;
}

.lgraphcanvas .slot_TEXT {
    color: #0891B2 !important;
}

.lgraphcanvas .slot_PROMPT {
    color: #D97706 !important;
}

.lgraphcanvas .slot_JSON_DATA {
    color: #2563EB !important;
}

.lgraphcanvas .slot_ANALYSIS {
    color: #7C3AED !important;
}

/* ----- Context Menu (right-click) ----- */
.litecontextmenu {
    background: rgba(255, 255, 255, 0.95) !important;
    backdrop-filter: blur(20px) saturate(1.8) !important;
    border: 1px solid rgba(37, 99, 235, 0.15) !important;
    border-radius: 12px !important;
    box-shadow: 0 12px 48px rgba(0, 0, 0, 0.12), 0 0 0 1px rgba(0, 0, 0, 0.04) !important;
    padding: 6px !important;
    min-width: 200px !important;
    font-family: 'Inter', 'Segoe UI', system-ui, sans-serif !important;
}

.litecontextmenu .litemenu-entry {
    padding: 7px 14px !important;
    margin: 1px 0 !important;
    border-radius: 8px !important;
    color: var(--text-primary) !important;
    font-size: 12px !important;
    transition: all 0.12s !important;
}

.litecontextmenu .litemenu-entry:hover {
    background: var(--accent-light) !important;
    color: var(--accent) !important;
}

.litecontextmenu .litemenu-entry.separator {
    border-top: 1px solid var(--border-color) !important;
    margin: 4px 8px !important;
    padding: 0 !important;
    height: 0 !important;
}

/* Sub-menus */
.litecontextmenu .litemenu-entry.has_submenu::after {
    color: var(--accent) !important;
}

/* ----- Dialog Boxes (node rename, widget edit) ----- */
.graphdialog {
    background: rgba(255, 255, 255, 0.96) !important;
    backdrop-filter: blur(20px) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: 12px !important;
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.12) !important;
    padding: 16px !important;
    font-family: 'Inter', 'Segoe UI', system-ui, sans-serif !important;
    color: var(--text-primary) !important;
}

.graphdialog input,
.graphdialog textarea,
.graphdialog select {
    background: var(--bg-tertiary) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: 8px !important;
    color: var(--text-primary) !important;
    padding: 8px 12px !important;
    font-size: 12px !important;
    font-family: 'Inter', 'Segoe UI', system-ui, sans-serif !important;
    outline: none !important;
    transition: all 0.2s !important;
}

.graphdialog input:focus,
.graphdialog textarea:focus {
    border-color: var(--accent) !important;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1) !important;
}

.graphdialog button,
.graphdialog .btn {
    background: var(--accent-light) !important;
    border: 1px solid var(--accent) !important;
    border-radius: 8px !important;
    color: var(--accent) !important;
    padding: 7px 16px !important;
    cursor: pointer !important;
    font-size: 12px !important;
    font-weight: 500 !important;
    transition: all 0.2s !important;
}

.graphdialog button:hover {
    background: var(--accent) !important;
    color: #fff !important;
}

/* ---- Node embedded textarea ---- */
.ne-node-textarea {
    background: #FFFFFF !important;
    color: var(--text-primary) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: 8px !important;
    padding: 10px 12px !important;
    font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace !important;
    font-size: 11.5px !important;
    line-height: 1.6 !important;
    resize: none !important;
    outline: none !important;
    box-sizing: border-box !important;
    overflow-y: auto !important;
    transition: all 0.2s !important;
}

.ne-node-textarea:focus {
    border-color: var(--accent) !important;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1), 0 4px 16px rgba(37, 99, 235, 0.06) !important;
}

.ne-node-textarea::placeholder {
    color: var(--text-muted) !important;
    font-style: italic !important;
}

/* ---- Mini-map ---- */
.ne-minimap {
    display: block;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08), 0 0 0 1px rgba(37, 99, 235, 0.06);
    cursor: crosshair;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 0.9;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(8px);
}

.ne-minimap:hover {
    opacity: 1;
    border-color: var(--accent);
    box-shadow: 0 4px 20px rgba(37, 99, 235, 0.12), 0 0 0 1px var(--accent);
    transform: scale(1.02);
}

/* ---- Template Select ---- */
#ne-template-select {
    background: #FFFFFF;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 11px;
    cursor: pointer;
    appearance: none;
    padding-right: 22px !important;
    background-image: url("data:image/svg+xml,%3Csvg width='10' height='6' viewBox='0 0 10 6' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%232563EB' stroke-width='1.5'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 7px center;
    transition: all 0.2s;
}

#ne-template-select:hover {
    border-color: var(--accent);
    color: var(--text-primary);
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.08);
}

#ne-template-select:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
    outline: none;
}

#ne-template-select option {
    background: #FFFFFF;
    color: var(--text-primary);
    padding: 6px 10px;
}

/* ---- Auto Preview Button Active ---- */
.ne-toolbar-btn.primary {
    background: var(--accent-light) !important;
    border-color: var(--accent) !important;
    color: var(--accent) !important;
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.08);
}

/* ---- Node Execution State Badges ---- */
@keyframes ne-node-success {
    0% {
        opacity: 0;
        transform: scale(0.5);
    }

    50% {
        transform: scale(1.2);
    }

    100% {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes ne-node-error {

    0%,
    100% {
        transform: translateX(0);
    }

    20%,
    60% {
        transform: translateX(-2px);
    }

    40%,
    80% {
        transform: translateX(2px);
    }
}

@keyframes ne-node-running {
    0% {
        background-position: -200% 0;
    }

    100% {
        background-position: 200% 0;
    }
}

/* ---- Scrollbar styling for library ---- */
.ne-library-scroll::-webkit-scrollbar {
    width: 4px;
}

.ne-library-scroll::-webkit-scrollbar-track {
    background: transparent;
}

.ne-library-scroll::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

.ne-library-scroll::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* ---- Preview scrollbar ---- */
.ne-preview-body::-webkit-scrollbar {
    width: 4px;
}

.ne-preview-body::-webkit-scrollbar-track {
    background: transparent;
}

.ne-preview-body::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}