/* ==========================================================================
   OBSIDIAN PRO — CANVAS NODES (items.css)
   ========================================================================== */

/* ── Base node ── */
.canvas-item {
    position: absolute;
    display: flex;
    flex-direction: column;
    background-color: var(--bg-overlay);
    border: 1px solid var(--border);
    border-left: 3px solid var(--node-data); /* default: data color */
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-node);
    height: 112px;
    width: 200px;
    padding: 10px 12px;
    cursor: grab;
    user-select: none;
    transition: box-shadow var(--ease-normal), border-color var(--ease-normal), transform var(--ease-normal), background var(--ease-fast);
    will-change: transform;
    z-index: 1;
    overflow: visible;
    animation: fade-in 0.2s var(--ease-normal);
}

.canvas-item:hover:not([data-type="sticky-note"]) {
    background: var(--bg-hover);
    border-left-width: 4px;
}

.canvas-item.selected {
    border-color: var(--primary) !important;
    box-shadow: 0 0 0 2px var(--primary-glow-strong), var(--shadow-node);
    z-index: 1002;
    background: var(--bg-hover);
}

.canvas-item.dragging {
    opacity: 0.92;
    z-index: 1000;
    box-shadow: 0 20px 50px rgba(0,0,0,0.8);
    cursor: grabbing;
}

/* ── Node type left-border colors ── */
.canvas-item-data,
.canvas-item[data-type="data"]          { border-left-color: var(--node-data); }
.canvas-item-analysis,
.canvas-item[data-type="analysis"]      { border-left-color: var(--node-analysis); }
.canvas-item-visualization,
.canvas-item[data-type="visualization"] { border-left-color: var(--node-visualization); }
.canvas-item-condition,
.canvas-item[data-type="condition"]     { border-left-color: var(--node-condition); }
.canvas-item-loop,
.canvas-item[data-type="loop"]          { border-left-color: var(--node-loop); }
.canvas-item-code,
.canvas-item[data-type="code"]          { border-left-color: var(--node-code); }
.canvas-item-wasm,
.canvas-item[data-type="wasm"]          { border-left-color: var(--node-wasm); }
.canvas-item-trigger,
.canvas-item[data-type="trigger"]       { border-left-color: var(--node-trigger); }
.canvas-item-helper,
.canvas-item[data-type="helper"]        { border-left-color: var(--node-helper); }
.canvas-item-session,
.canvas-item[data-type="session"]       { border-left-color: var(--node-session); }

/* ── Status states ── */
.canvas-item.status-running {
    border-color: var(--primary) !important;
    animation: pulse-glow 1.5s ease-in-out infinite;
}
.canvas-item.status-done {
    border-color: var(--success) !important;
    box-shadow: 0 0 0 2px var(--success-glow), var(--shadow-node);
}
.canvas-item.status-error {
    border-color: var(--danger) !important;
    box-shadow: 0 0 0 2px var(--danger-glow), var(--shadow-node);
}

/* ── Node title ── */
.item-title, .canvas-item-title {
    font-family: var(--font);
    font-weight: 600;
    font-size: 12px;
    color: var(--text-primary);
    margin: 0 0 6px 0;
    padding-right: 18px;
    text-align: left;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    pointer-events: none;
    flex-shrink: 0;
    line-height: 1.3;
}

/* ── Node body (icon + info) ── */
.item-content, .canvas-item-content {
    display: flex;
    align-items: center;
    flex-grow: 1;
    gap: 8px;
}

/* ── Icon wrapper ── */
.canvas-item-icon-wrapper {
    width: 30px; height: 30px;
    border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
    background: var(--bg-base);
    border: 1px solid var(--border);
    transition: all var(--ease-fast);
}

.canvas-item-icon {
    font-size: 13px;
    color: var(--text-secondary);
}

/* type icon colors */
.canvas-item[data-type="data"]          .canvas-item-icon { color: var(--node-data); }
.canvas-item[data-type="analysis"]      .canvas-item-icon { color: var(--node-analysis); }
.canvas-item[data-type="visualization"] .canvas-item-icon { color: var(--node-visualization); }
.canvas-item[data-type="condition"]     .canvas-item-icon { color: var(--node-condition); }
.canvas-item[data-type="loop"]          .canvas-item-icon { color: var(--node-loop); }
.canvas-item[data-type="code"]          .canvas-item-icon { color: var(--node-code); }
.canvas-item[data-type="wasm"]          .canvas-item-icon { color: var(--node-wasm); }
.canvas-item[data-type="trigger"]       .canvas-item-icon { color: var(--node-trigger); }
.canvas-item[data-type="helper"]        .canvas-item-icon { color: var(--node-helper); }
.canvas-item[data-type="session"]       .canvas-item-icon { color: var(--node-session); }

/* ── Separator ── */
.item-separator, .canvas-item-separator {
    width: 1px;
    height: 24px;
    background: var(--border);
    flex-shrink: 0;
}

/* ── Description / meta ── */
.item-info, .canvas-item-info {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    flex: 1;
}
.item-description, .canvas-item-description {
    font-size: 11px;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.item-meta, .canvas-item-meta {
    font-size: 10px;
    color: var(--text-disabled);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ── Status dot ── */
.status-dot {
    position: absolute;
    bottom: 8px; right: 10px;
    width: 7px; height: 7px;
    border-radius: 50%;
    background: var(--text-disabled);
    transition: background var(--ease-fast);
}
.status-dot.running {
    background: var(--primary);
    animation: status-pulse 1.2s ease-in-out infinite;
    box-shadow: 0 0 6px var(--primary);
}
.status-dot.done    { background: var(--success); box-shadow: 0 0 4px var(--success); }
.status-dot.error   { background: var(--danger);  box-shadow: 0 0 4px var(--danger); }

/* ── Remove button ── */
.canvas-item-remove {
    position: absolute;
    top: 5px; right: 5px;
    width: 20px; height: 20px;
    border-radius: 50%;
    border: none;
    background: transparent;
    color: var(--text-disabled);
    font-size: 11px;
    display: flex; align-items: center; justify-content: center;
    opacity: 0;
    transition: all var(--ease-fast);
    cursor: pointer;
    padding: 0;
}
.canvas-item:hover .canvas-item-remove { opacity: 1; }
.canvas-item-remove:hover {
    background: var(--danger);
    color: #fff;
    opacity: 1;
}

/* ── Ports (connection points) ── */
.connection-point, .canvas-item-port {
    position: absolute;
    width: 10px; height: 10px;
    border-radius: 50%;
    background: var(--border);
    border: 2px solid var(--bg-overlay);
    cursor: crosshair;
    transition: all var(--ease-fast);
    z-index: 10;
}
.connection-point:hover, .canvas-item-port:hover {
    background: var(--primary);
    border-color: var(--primary-light);
    box-shadow: 0 0 0 4px var(--primary-glow);
    transform: scale(1.4);
}
.connection-point.input  { left: -6px; top: 50%; transform: translateY(-50%); }
.connection-point.output { right: -6px; top: 50%; transform: translateY(-50%); }
.connection-point.input:hover  { transform: translateY(-50%) scale(1.4); }
.connection-point.output:hover { transform: translateY(-50%) scale(1.4); }
.connection-point.highlight {
    background: var(--primary);
    box-shadow: 0 0 0 4px var(--primary-glow-strong);
    animation: pulse-glow 1s ease-in-out infinite;
}

/* ── Control flow items (small icon-only nodes) ── */
.control-flow-item {
    width: 48px !important;
    height: 48px !important;
    min-height: 48px !important;
    padding: 0 !important;
    border-radius: var(--radius-md) !important;
    display: flex !important;
    align-items: center;
    justify-content: center;
    border-width: 1px !important;
    border-style: solid !important;
    background: var(--bg-overlay) !important;
    transition: all var(--ease-fast);
}
.control-flow-content {
    display: flex; align-items: center; justify-content: center;
    width: 100%; height: 100%;
}
.control-flow-content i { font-size: 18px; pointer-events: none; color: var(--node-condition); }
.control-flow-title { display: none; }
.control-flow-item .item-title, .control-flow-item .item-separator,
.control-flow-item .item-info, .control-flow-item .item-content,
.control-flow-item .canvas-item-icon-wrapper, .control-flow-item .item-description,
.control-flow-item .item-meta { display: none !important; }

/* ── Selection rectangle ── */
.selection-rectangle {
    position: fixed;
    border: 1px solid var(--primary);
    background-color: var(--primary-glow);
    pointer-events: none;
    z-index: 1001;
    box-sizing: border-box;
    border-radius: var(--radius-sm);
    box-shadow: 0 0 0 1px var(--primary-glow);
    transition: none;
    display: block;
    min-width: 5px; min-height: 5px;
}
.selection-rectangle:not([style*="width"]):not([style*="height"]) { display: none !important; }