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

input[type=number]::-webkit-outer-spin-button,
input[type=number]::-webkit-inner-spin-button {
	-webkit-appearance: none;
	margin: 0;
}

body {
    font-family: 'Arial', sans-serif;
}

textarea {
    resize: none;
}

.editor-container {
    margin: 2px auto;
}

.controls {
    background: #f8f9fa;
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
}

#scaleRate {
    pointer-events: none;
    user-select: text;
}

.mask-list {
    max-height: 300px;
    overflow-y: auto;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.mask-item {
    cursor: pointer;
    padding: 8px 12px;
    border-bottom: 1px solid #eee;
    transition: background-color 0.2s;
}

.mask-item:hover {
    background-color: #f0f0f0;
}

.mask-item.selected {
    background-color: #007bff;
    color: white;
}

.mask-item:last-child {
    border-bottom: none;
}

.input-group {
    margin-bottom: 10px;
}

.upload-area {
    border: 2px dashed #ddd;
    border-radius: 8px;
    padding: 40px;
    text-align: center;
    cursor: pointer;
    transition: border-color 0.3s;
}

.upload-area:hover {
    border-color: #007bff;
}

.upload-area.dragover {
    border-color: #28a745;
    background-color: rgba(40, 167, 69, 0.1);
}

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

#imageContainer {
    border: 1px solid #ccc;
    box-shadow: 0 0 2px #555555;
    box-sizing: border-box;
    transform-origin: left top;
    transition: transform .3s ease;
    overflow: scroll;
    height: 57vh;
    min-height: 57vh;
    width: 100%;
}

#imageContainer.animate {
    transition: transform .3s ease;
}

.btn-warning#restoreBtn {
    min-width: 80px;
}

#imgPlaceholder {
    border: 1px solid #ccc;
    box-shadow: 0 0 2px #555555;
    height: 57vh;
    min-height: 57vh;
    width: 100%;
}

.imgPlaceholderIcon {
    opacity: 0.3;
    user-select: none;
}

.imgPlaceholderText {
    opacity: 0.5;
    user-select: none;
}

#editorCanvas {
    display: block;
}

#dynamicDiv {
    position: absolute;
    left: 0;
    top: 0;
    box-sizing: border-box;
}

.mask-box {
    position: absolute;
    border: 1px solid #fff;
    background: rgba(0, 0, 0);
    opacity: 0.5;
    cursor: move;
    user-select: none;
    width: 50px;
    height: 80px;
    transition: border-color 0.1s ease, color 0.2s ease, background-color 0.2s ease;
}

.mask-box.selected,
.mask-box:hover {
    border: 3px solid rgb(220, 53, 69) !important;
}

.mask-label {
    position: absolute;
    left: 2px;
    top: 2px;
    font-size: 12px;
    color: #fff;
    background: rgba(0, 0, 0, .4);
    padding: 0 3px;
    display: none;
    pointer-events: none;
}

.mask-box.selected .mask-label {
    display: block;
}

.maskListContainer {
    height: 57vh;
    border: 1px solid #ccc;
    box-shadow: 0 0 2px #555555;
}

#maskList {
    min-width: 110px;

    height: 100%;
    overflow: auto;

}