/* Global Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #1e1e1e;
    color: #e0e0e0;
    overflow: hidden;
}

.container {
    display: flex;
    height: 100vh;
    gap: 0;
    padding: 10px;
}

/* Main Panel (Left) */
.main-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    background-color: #2d2d2d;
    border-radius: 8px;
    overflow: hidden;
}

.panel-header {
    background-color: #3d3d3d;
    padding: 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 2px solid #4d4d4d;
}

.panel-header h2, .panel-header h3 {
    margin: 0;
    font-size: 18px;
    color: #ffffff;
}

.controls {
    display: flex;
    gap: 10px;
    align-items: center;
}

.btn {
    background-color: #007acc;
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    transition: background-color 0.2s;
}

.btn:hover {
    background-color: #005a9e;
}

.btn:disabled {
    background-color: #555;
    cursor: not-allowed;
}

.btn-small {
    padding: 6px 12px;
    font-size: 12px;
}

select {
    background-color: #3d3d3d;
    color: #e0e0e0;
    border: 1px solid #555;
    padding: 6px 10px;
    border-radius: 4px;
    cursor: pointer;
}

.canvas-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    position: relative;
    background-color: #1a1a1a;
    overflow: auto;
    cursor: crosshair;
}

.canvas-container.dragging {
    cursor: grabbing !important;
}

#mainCanvas {
    cursor: inherit;
    display: block;
    margin: auto;
}

#statusBar {
    background-color: #2d2d2d;
    padding: 8px 15px;
    font-size: 12px;
    color: #aaa;
    border-top: 1px solid #4d4d4d;
}

/* Side Panel (Right) */
.side-panel {
    width: 400px;
    display: flex;
    flex-direction: column;
    gap: 0;
}

.preview-panel, .psd-panel {
    background-color: #2d2d2d;
    border-radius: 8px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.preview-panel {
    flex: 1;
    min-height: 100px;
}

.psd-panel {
    flex: 1;
    min-height: 100px;
}

.preview-container, .psd-container {
    flex: 1;
    display: flex;
    background-color: #1a1a1a;
    overflow: auto;
    position: relative;
}

.preview-container {
    align-items: center;
    justify-content: center;
    cursor: grab;
}

.preview-container:active {
    cursor: grabbing;
}

/* Preview background modes */
.preview-container.bg-transparent {
    background-image:
        linear-gradient(45deg, #cccccc 25%, transparent 25%),
        linear-gradient(-45deg, #cccccc 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, #cccccc 75%),
        linear-gradient(-45deg, transparent 75%, #cccccc 75%);
    background-size: 20px 20px;
    background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
    background-color: #ffffff;
}

.preview-container.bg-white {
    background-color: #ffffff;
}

.preview-container.bg-black {
    background-color: #000000;
}

.psd-container {
    align-items: stretch;
    justify-content: stretch;
}

#previewImage {
    max-width: 100%;
    max-height: 100%;
    display: none;
    object-fit: contain;
    transition: transform 0.1s ease;
    cursor: inherit;
    user-select: none;
    -webkit-user-drag: none;
}

#previewPlaceholder, #psdPlaceholder {
    color: #666;
    font-size: 14px;
    text-align: center;
}

#psdPlaceholder {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

#psdContent {
    width: 100%;
    height: 100%;
}

#psdPreviewImage {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    cursor: inherit;
    user-select: none;
    -webkit-user-drag: none;
}

#psdPreviewContainer {
    cursor: grab;
}

#psdPreviewContainer:active {
    cursor: grabbing;
}

#psdList {
    width: 100%;
    padding: 10px;
}

.psd-item {
    background-color: #2d2d2d;
    border: 1px solid #4d4d4d;
    border-radius: 4px;
    padding: 8px;
    margin-bottom: 8px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.psd-item:hover {
    background-color: #3d3d3d;
}

.psd-item-name {
    font-size: 14px;
    flex: 1;
}

.psd-item-actions {
    display: flex;
    gap: 5px;
}

/* Info Panel */
#infoPanel {
    position: fixed;
    bottom: 10px;
    left: 10px;
    background-color: rgba(45, 45, 45, 0.95);
    padding: 15px;
    border-radius: 6px;
    font-size: 12px;
    line-height: 1.6;
    max-width: 400px;
    border: 1px solid #4d4d4d;
}

#infoPanel div {
    margin-bottom: 4px;
}

#infoPanel div:last-child {
    margin-bottom: 0;
}

/* Checkbox */
input[type="checkbox"] {
    margin-right: 5px;
}

label {
    font-size: 14px;
    color: #e0e0e0;
    cursor: pointer;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: #1a1a1a;
}

::-webkit-scrollbar-thumb {
    background: #555;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #666;
}

/* Resizers */
.resizer {
    background-color: #1e1e1e;
    position: relative;
}

.resizer-horizontal {
    width: 6px;
    cursor: col-resize;
    flex-shrink: 0;
}

.resizer-horizontal:hover,
.resizer-horizontal.resizing {
    background-color: #007acc;
}

.resizer-vertical {
    height: 6px;
    cursor: row-resize;
    flex-shrink: 0;
}

.resizer-vertical:hover,
.resizer-vertical.resizing {
    background-color: #007acc;
}