/* css/style.css */

:root {
    --bg-dark: #1e1e1e;
    --bg-panel: #252526;
    --text-main: #cccccc;
    --accent: #007acc;
    --border: #3e3e42;
    --modal-bg: rgba(0, 0, 0, 0.6);
}

/* Global Scrollbar Styling (Dark & Narrow) */
* {
    scrollbar-width: thin;
    scrollbar-color: #444 var(--bg-dark);
}

::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-dark);
}

::-webkit-scrollbar-thumb {
    background: #444;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #555;
}

::-webkit-scrollbar-corner {
    background: var(--bg-dark);
}

body {
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-main);
    height: 100vh;
    overflow: hidden;
}

.editor-container { display: flex; flex-direction: column; height: 100%; }

input[type="number"] { max-width: 100px; }

/* Toolbar */
.toolbar {
    height: 40px;
    background-color: var(--bg-panel);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    padding: 0 15px;
    justify-content: space-between;
}

.toolbar button, .primary-btn {
    background: var(--accent);
    border: none;
    color: white;
    padding: 5px 10px;
    cursor: pointer;
    border-radius: 3px;
    margin-right: 5px;
}

.toolbar button:hover, .primary-btn:hover { opacity: 0.9; }
.toolbar button:disabled { background: #555; cursor: default; }

.separator {
    color: var(--border);
    margin: 0 10px;
    user-select: none;
}

#btn-undo, #btn-redo {
    background: #3c3c3c;
    font-size: 14px;
}

#btn-undo:disabled, #btn-redo:disabled {
    opacity: 0.3;
    cursor: default;
}

.controls label { font-size: 12px; margin-left: 10px; cursor: pointer; user-select: none; }

/* Workspace Layout */
.workspace { display: flex; flex: 1; overflow: hidden; position: relative; }

/* Treeview Panel Enhancements */
.treeview-panel {
    width: 260px;
    background-color: var(--bg-panel);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.tree-btn-bar {
    padding: 5px;
    background: #2d2d2d;
    border-bottom: 1px solid var(--border);
    display: flex;
    gap: 5px;
}

.tree-btn-bar button {
    flex: 1;
    font-size: 11px;
    padding: 4px;
    background: #444;
    border: 1px solid #555;
    color: #ccc;
    cursor: pointer;
}

.tree-btn-bar button:hover { background: #555; color: #fff; }

.treeview-content {
    flex: 1;
    overflow-y: auto;
    padding: 5px 0;
}

/* Hierarchical Nesting */
.tree-children {
    margin-left: 18px;
    border-left: 1px solid #333;
}

.tree-item {
    padding: 4px 8px;
    cursor: pointer;
    font-size: 13px;
    display: flex;
    align-items: center;
    gap: 5px;
    user-select: none;
    position: relative;
    border: 1px solid transparent; /* Ensure border exists for layout stability */
    box-sizing: border-box;
}

/* Drag and Drop Visuals */
/* New: Drop Inside (Folder) */
.tree-item.drag-over {
    background: rgba(0, 122, 204, 0.2);
    border: 1px dashed var(--accent);
}

/* New: Drop Before (Top Line) */
.tree-item.drag-top {
    border-top: 2px solid var(--accent);
}

/* New: Drop After (Bottom Line) */
.tree-item.drag-bottom {
    border-bottom: 2px solid var(--accent);
}

.tree-item:hover { background: #2a2d2e; }
.tree-item.selected { background: #37373d; color: #fff; }

/* Collapse Toggle */
.collapse-toggle {
    width: 16px;
    height: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    color: #888;
    cursor: pointer;
}
.collapse-toggle:hover { color: #fff; }
.collapsed .tree-children { display: none; }

/* Properties Panel Additions */
.btn-delete {
    background: #a31515;
    margin-top: 20px;
}
.btn-delete:hover { background: #c41a1a; }
.btn-delete:disabled { background: #444; cursor: not-allowed; opacity: 0.5; }

/* Canvas Area */
.canvas-wrapper {
    flex: 1;
    background-color: #333;
    overflow: auto;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    position: relative;
}

canvas {
    box-shadow: 0 0 20px rgba(0,0,0,0.5);
    background: #fff;
    transform-origin: top left;
}

/* Zoom Controls */
.zoom-controls {
    position: absolute;
    bottom: 20px;
    left: 240px;
    background-color: var(--bg-panel);
    border: 1px solid var(--border);
    padding: 5px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    gap: 5px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.3);
    z-index: 50;
}

.zoom-controls button {
    background: #444;
    border: none;
    color: white;
    width: 24px;
    height: 24px;
    cursor: pointer;
    border-radius: 2px;
}

.zoom-controls input {
    width: 50px;
    background: #1e1e1e;
    border: 1px solid #444;
    color: white;
    text-align: center;
    font-size: 12px;
}

/* Properties Panel */
.properties-panel {
    width: 300px;
    background-color: var(--bg-panel);
    border-left: 1px solid var(--border);
    padding: 15px;
    overflow-y: auto;
    overflow-x: hidden; /* Prevent horizontal scroll */
    box-sizing: border-box; /* Ensure padding doesn't expand width unexpectedly */
}

.prop-row { margin-bottom: 12px; }
.prop-row label { display: block; font-size: 12px; margin-bottom: 4px; color: #888; }

.prop-row input, .prop-row select {
    width: 100%;
    background: #3c3c3c;
    border: 1px solid var(--border);
    color: white;
    padding: 5px;
    box-sizing: border-box;
    min-width: 0; /* Prevents flex items from overflowing */
}

/* Side-by-side inputs */
.prop-row-dual { display: flex; align-items: flex-end; gap: 5px; }
.prop-row-dual > div {
    flex: 1;
    min-width: 0; /* Critical for nested inputs to shrink properly */
}

/* Mixed Unit Inputs (px and %) */
.unit-group {
    display: flex;
    gap: 2px;
    width: 100%;
}
.unit-group input {
    min-width: 0; /* Allows inputs to shrink within the group */
}
.unit-group input:first-child { flex: 2; }
.unit-group input:last-child { flex: 1; font-size: 11px; text-align: center; color: #aaa; }

/* Aspect Lock Button */
.btn-lock-aspect {
    background: #3c3c3c;
    border: 1px solid var(--border);
    color: #888;
    cursor: pointer;
    padding: 4px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 3px;
    flex-shrink: 0; /* Prevent button from squishing */
}
.btn-lock-aspect.active { color: var(--accent); border-color: var(--accent); }

/* Opacity Control */
.opacity-ctrl { display: flex; align-items: center; gap: 10px; }
.opacity-ctrl input[type="range"] { flex: 1; }
.opacity-ctrl input[type="number"] { width: 50px; text-align: center; }

/* Checkbox Row */
.prop-row-check { display: flex; gap: 15px; margin-top: 10px; }
.prop-row-check label { display: flex; align-items: center; gap: 5px; cursor: pointer; color: #ccc; }
.prop-row-check input { width: auto; }

.prop-group h4 { margin: 10px 0 5px; border-bottom: 1px solid #444; padding-bottom: 2px; font-size: 13px; color: #fff; }

/* Multi-select specific */
.multi-select-info {
    text-align: center;
    padding: 20px;
    background: #333;
    border-radius: 4px;
    margin-bottom: 15px;
}
.multi-select-count { font-size: 24px; font-weight: bold; color: var(--accent); display: block; }

.multi-actions {
    display: flex;
    gap: 5px;
    margin-bottom: 10px;
}
.multi-actions button {
    flex: 1;
    background: #3c3c3c;
    border: 1px solid #555;
    color: #ccc;
    padding: 6px;
    cursor: pointer;
    font-size: 12px;
}
.multi-actions button:hover { background: #444; color: white; }

/* Modals */
.modal {
    display: none;
    position: fixed;
    z-index: 100;
    left: 0; top: 0;
    width: 100%; height: 100%;
    background-color: var(--modal-bg);
}

.modal-content {
    background-color: var(--bg-panel);
    margin: 10% auto;
    padding: 20px;
    border: 1px solid var(--border);
    width: 400px;
    border-radius: 5px;
    position: relative;
    box-shadow: 0 5px 15px rgba(0,0,0,0.5);
}
.modal-content.large { width: 600px; height: 500px; display: flex; flex-direction: column; }

.close {
    position: absolute; right: 15px; top: 10px;
    color: #aaa; font-size: 24px; font-weight: bold; cursor: pointer;
}

/* Asset Grid */
.asset-grid {
    flex: 1; overflow-y: auto;
    display: grid; grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    gap: 10px; padding: 5px; border: 1px solid var(--border); background: #1e1e1e;
}
.asset-item {
    display: flex; flex-direction: column; align-items: center;
    cursor: pointer; padding: 5px; border-radius: 3px;
}
.asset-item:hover { background-color: #333; }
.asset-item img { width: 48px; height: 48px; object-fit: contain; margin-bottom: 5px; }
.asset-item span { font-size: 11px; text-align: center; word-break: break-all; }
.hint-text { font-size: 12px; color: #888; margin-top: 5px; }

/* File List */
.file-list { list-style: none; padding: 0; margin: 0; }
.file-list li { padding: 8px; border-bottom: 1px solid #333; cursor: pointer; display: flex; align-items: center; }
.file-list li:hover { background-color: #333; }

/* Custom Dialog Styling */
.custom-dialog {
    background: var(--bg-panel);
    color: var(--text-main);
    border: 1px solid var(--border);
    border-radius: 5px;
    padding: 20px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.5);
    min-width: 300px;
}

.custom-dialog::backdrop {
    background: rgba(0, 0, 0, 0.7);
}

.custom-dialog p {
    margin-top: 0;
    font-size: 14px;
}

.custom-dialog input {
    width: 100%;
    background: #3c3c3c;
    border: 1px solid var(--border);
    color: white;
    padding: 8px;
    margin: 10px 0;
    box-sizing: border-box;
}

.dlg-actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-top: 15px;
}

.custom-dialog button {
    padding: 6px 15px;
    cursor: pointer;
    border-radius: 3px;
    border: 1px solid #555;
    background: #444;
    color: white;
}

.custom-dialog button.primary-btn {
    background: var(--accent);
    border: none;
}