styles.css

.container {
    display: flex;
    flex-direction: column;
    padding: 20px;
    gap: 20px;
}

.toolbar {
    display: flex;
    gap: 10px;
    align-items: center;
    padding: 10px;
    background: #f5f5f5;
    border-radius: 4px;
    z-index: 100;
}

.input-group,
.transform-controls,
.process-controls,
.magnifier-controls {
    display: flex;
    gap: 10px;
    align-items: center;
    flex-shrink: 0;
}

.canvas-container {
    position: relative;
    width: 800px;
    height: 600px;
    margin: 0 auto;
    border: 1px solid #ccc;
    overflow: hidden;
    background: #fff;
}

#mainCanvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

#guidelineCanvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
    pointer-events: all;
}

.status-bar {
    display: flex;
    justify-content: space-between;
    padding: 10px;
    background: #f5f5f5;
    border-radius: 4px;
}

button {
    padding: 8px 16px;
    border: none;
    border-radius: 4px;
    background: #4CAF50;
    color: white;
    cursor: pointer;
    transition: background 0.3s;
}

button:hover {
    background: #45a049;
}

input[type="file"] {
    padding: 8px;
    border: 1px solid #ccc;
    border-radius: 4px;
}

.magnifier {
    position: absolute;
    width: 200px;
    height: 200px;
    border: 2px solid #333;
    border-radius: 4px;
    overflow: hidden;
    display: none;
    background: white;
    pointer-events: none;
    box-shadow: 0 0 10px rgba(0,0,0,0.3);
    z-index: 1000;
}

.magnifier canvas {
    position: absolute;
    top: 0;
    left: 0;
}

.magnifier-crosshair {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
}

.magnifier-crosshair::before,
.magnifier-crosshair::after {
    content: '';
    position: absolute;
    background: rgba(0, 0, 0, 0.8);
}

.magnifier-crosshair::before {
    left: 50%;
    top: 0;
    width: 1px;
    height: 100%;
}

.magnifier-crosshair::after {
    top: 50%;
    left: 0;
    width: 100%;
    height: 1px;
}

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

#magnifierZoom {
    padding: 4px;
    border-radius: 4px;
}

.main-content {
    display: flex;
    gap: 20px;
    margin: 20px 0;
}

.drawing-tools {
    display: none;
    flex-direction: column;
    gap: 10px;
    padding: 10px;
    background: #f5f5f5;
    border-radius: 4px;
}

.drawing-tools.active {
    display: flex;
}

.tool-btn {
    width: 40px;
    height: 40px;
    padding: 8px;
    border: none;
    border-radius: 4px;
    background: white;
    cursor: pointer;
    transition: all 0.3s;
    position: relative;
}

.tool-btn:hover {
    background: #e0e0e0;
}

.tool-btn.active {
    background: #4CAF50;
}

.tool-btn.active img {
    filter: brightness(0) invert(1);
}

.tool-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.tool-btn img {
    width: 100%;
    height: 100%;
}

.color-palette {
    width: 200px;
    background: #f5f5f5;
    border-radius: 4px;
    padding: 10px;
    max-height: 100%;
    display: none;
    flex-direction: column;
}

.palette-header {
    font-weight: bold;
    padding: 5px;
    margin-bottom: 10px;
    border-bottom: 1px solid #ddd;
}

.color-list {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
    max-height: 200px;
    overflow-y: auto;
    padding: 5px;
    margin-bottom: 15px;
}

.color-item {
    width: 25px;
    height: 25px;
    border-radius: 4px;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all 0.3s;
    flex-shrink: 0;
}

.color-item:hover {
    transform: scale(1.1);
}

.color-item.active {
    border-color: #000;
}

#editCanvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 3;
    pointer-events: all;
}

#toggleEditMode.active {
    background: #2196F3;
}

#toggleEditMode.active:hover {
    background: #1976D2;
}

#pickerTool.active {
    background: #9C27B0;
}

.color-picker {
    margin-top: 15px;
    padding: 10px;
    background: #fff;
    border-radius: 4px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.color-wheel-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    padding: 10px;
}

#colorWheel {
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

.color-preview {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 12px;
    align-items: center;
    padding: 10px;
    background: #f8f8f8;
    border-radius: 4px;
}

#selectedColor {
    width: 60px;
    height: 60px;
    border-radius: 30px;
    border: 3px solid #ddd;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.rgb-inputs {
    display: flex;
    flex-direction: column;
    gap: 8px;
    width: 100%;
    padding: 8px;
    background: #fff;
    border-radius: 4px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.rgb-input {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}

.rgb-input label {
    font-weight: bold;
    color: #666;
    min-width: 25px;
}

.rgb-input input {
    width: 60px;
    padding: 4px;
    border: 1px solid #ddd;
    border-radius: 3px;
    text-align: center;
    font-family: monospace;
}

.rgb-input input:focus {
    outline: none;
    border-color: #4CAF50;
    box-shadow: 0 0 0 2px rgba(76,175,80,0.2);
}

.tool-tooltip {
    position: absolute;
    left: 120%;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 6px 10px;
    border-radius: 4px;
    font-size: 12px;
    white-space: nowrap;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.2s;
    z-index: 1000;
}

.tool-btn:hover .tool-tooltip {
    opacity: 1;
}

.shortcut-key {
    color: #aaa;
    margin-left: 8px;
    padding: 2px 4px;
    border: 1px solid #666;
    border-radius: 3px;
}

.preview-window {
    position: absolute;
    top: 10px;
    left: 10px;
    width: 200px;
    background: white;
    border-radius: 4px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
    z-index: 4;
    display: none;
}

.preview-window.active {
    display: block;
}

.preview-header {
    padding: 8px;
    background: #f5f5f5;
    border-bottom: 1px solid #ddd;
    border-radius: 4px 4px 0 0;
    font-size: 12px;
    font-weight: bold;
    cursor: move;
}

#previewCanvas {
    width: 100%;
    height: 150px;
    object-fit: contain;
}

#togglePreview {
    background: white;
}

#togglePreview.active {
    background: #607D8B;
}

#togglePreview.active img {
    filter: brightness(0) invert(1);
}

#togglePreview:hover {
    background: #e0e0e0;
}

#togglePreview.active:hover {
    background: #455A64;
}

#cursorCanvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 5;
    pointer-events: none;
}

.about-controls {
    margin-left: auto;
    min-width: fit-content;
}

#aboutBtn {
    background: #2196F3;
    padding: 8px 16px;
    white-space: nowrap;
}

#aboutBtn:hover {
    background: #1976D2;
}

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0);
    z-index: 1000;
    transition: background-color 0.3s ease;
    opacity: 0;
}

.modal.show {
    display: block;
    background-color: rgba(0,0,0,0.5);
    opacity: 1;
}

.modal-content {
    position: relative;
    background-color: #fefefe;
    margin: 5% auto;
    padding: 0;
    width: 600px;
    max-width: 80%;
    border-radius: 8px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.2);
    transform: translateY(-20px);
    opacity: 0;
    transition: all 0.3s ease;
}

.modal.show .modal-content {
    transform: translateY(0);
    opacity: 1;
}

.modal-header {
    padding: 15px 20px;
    border-bottom: 1px solid #ddd;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h2 {
    margin: 0;
    font-size: 1.5em;
    color: #333;
}

.close {
    color: #666;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.3s;
}

.close:hover {
    color: #000;
}

.modal-body {
    padding: 20px;
    max-height: 70vh;
    overflow-y: auto;
}

.author-info {
    margin-bottom: 30px;
}

.author-info h3,
.changelog h3 {
    color: #333;
    margin-bottom: 15px;
    padding-bottom: 8px;
    border-bottom: 2px solid #eee;
}

.version {
    margin-bottom: 20px;
}

.version h4 {
    color: #2196F3;
    margin: 10px 0;
}

.version ul {
    margin: 0;
    padding-left: 20px;
}

.version li {
    margin: 5px 0;
    color: #666;
}

.author-info a {
    color: #2196F3;
    text-decoration: none;
}

.author-info a:hover {
    text-decoration: underline;
}

/* 添加选区画布样式 */
#selectionCanvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 6;
    pointer-events: none;
}

/* 添加下载按钮提示样式 */
#downloadBtn {
    position: relative;
}

.download-tip {
    position: absolute;
    bottom: calc(100% + 10px);
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 8px 12px;
    border-radius: 4px;
    font-size: 12px;
    white-space: nowrap;
    pointer-events: none;
    z-index: 1000;
    animation: fadeIn 0.2s ease;
}

.download-tip::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 6px solid transparent;
    border-top-color: rgba(0, 0, 0, 0.8);
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translate(-50%, 5px);
    }
    to {
        opacity: 1;
        transform: translate(-50%, 0);
    }
}