/* 画板桌面图标 */
.drawing-icon .icon {
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 48 48"><circle cx="24" cy="24" r="20" fill="%23fef3c7"/><circle cx="18" cy="18" r="3" fill="%23ef4444"/><circle cx="30" cy="16" r="3" fill="%233b82f6"/><circle cx="34" cy="26" r="3" fill="%2310b981"/><circle cx="22" cy="32" r="3" fill="%23f59e0b"/><path d="M24 10c7 0 12 5 12 10s-5 7-8 7c-2 0-3-1-5-1s-3 1-5 1c-3 0-8-2-8-7s7-10 14-10z" fill="%23e5e7eb"/></svg>');
}

/* 画板窗口 */
.drawing-window {
    position: fixed;
    background: var(--window-bg);
    border-radius: 6px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.3);
    z-index: 140;
    overflow: hidden;
    display: none;
    flex-direction: column;
}

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

.drawing-window.maximized {
    position: fixed !important;
    left: 0 !important;
    top: 0 !important;
    width: 100% !important;
    height: calc(100% - 40px) !important;
    border-radius: 0 !important;
    box-shadow: none !important;
    transform: none !important;
}

.drawing-window.minimized {
    display: none !important;
}

.drawing-toolbar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 10px;
    border-bottom: 1px solid var(--border-color);
    background: var(--card-bg);
}

.drawing-toolbar .tool-btn {
    padding: 6px 10px;
    border: 1px solid var(--border-color);
    background: var(--card-bg);
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
}

.drawing-toolbar .tool-btn {
    background: #2563eb;
    color: #07ea2d;
    border-color: #1d4ed8;
}

.drawing-toolbar .color-input {
    height: 28px;
}

.drawing-toolbar .size-input {
    width: 120px;
}

.drawing-content {
    position: relative;
    flex: 1;
    background: var(--window-bg);
    display: grid;
    grid-template-columns: 200px 1fr;
}

/* cursor: crosshair; 十字准星光标*/

#drawing-canvas {
    display: block;
    touch-action: none;
    cursor: default;
    background: white;
}

/* 图层面板 */
.layers-panel {
    border-right: 1px solid var(--border-color);
    background: var(--card-bg);
    display: flex;
    flex-direction: column;
}

.layers-header {
    padding: 8px 10px;
    font-weight: bold;
    background: var(--card-bg);
    border-bottom: 1px solid var(--border-color);
}

.layers-actions {
    display: flex;
    gap: 6px;
    padding: 8px 10px;
    border-bottom: 1px solid #e5e7eb;
}

.layers-btn {
    padding: 4px 8px;
    border: 1px solid var(--border-color);
    background: var(--card-bg);
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
    color: #07ea2d;
}

.layers-list {
    flex: 1;
    overflow: auto;
    padding: 6px 0;
}

.layer-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 10px;
    cursor: pointer;
}

.layer-item.active {
    background: var(--item-hover);
}

.layer-item .eye {
    cursor: pointer;
}

.layer-item .name {
    flex: 1;
    font-size: 12px;
}

.canvas-wrap {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hide;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.text-input-overlay {
    position: absolute;
    left: 0;
    top: 0;
    display: none;
    z-index: 3;
}

.text-input-overlay textarea {
    position: absolute;
    min-width: 120px;
    min-height: 32px;
    padding: 2px 4px;
    border: 1px dashed #94a3b8;
    background: rgba(255, 255, 255, 0.95);
    color: #111827;
    font: 16px/1.4 "Segoe UI", "Microsoft YaHei", sans-serif;
    outline: none;
    resize: both;
}
/* AI 文生图 模态框 */
.ai-image-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-content {
    background: var(--window-bg);
    border-radius: 8px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    width: 90%;
    max-width: 500px;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    background: var(--card-bg);
}

.modal-header h3 {
    margin: 0;
    font-size: 16px;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: #666;
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-close:hover {
    color: #333;
}

.modal-body {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
}

.modal-footer {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
    padding: 16px 20px;
    border-top: 1px solid var(--border-color);
    background: var(--card-bg);
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
    font-size: 14px;
}

.ai-prompt,
.ai-style,
.ai-size {
    width: 100%;
    padding: 8px 10px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background: var(--input-bg, #fff);
    color: #333;
    font-family: inherit;
    font-size: 14px;
}

.ai-prompt:focus,
.ai-style:focus,
.ai-size:focus {
    outline: none;
    border-color: #2563eb;
    box-shadow: 0 0 4px rgba(37, 99, 235, 0.3);
}

.ai-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(37, 99, 235, 0.2);
    border-top-color: #2563eb;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-bottom: 16px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.ai-loading p {
    color: #666;
    font-size: 14px;
    margin: 0;
}

.ai-preview {
    margin: 16px 0;
    text-align: center;
}

.ai-preview img {
    max-width: 100%;
    max-height: 300px;
    border-radius: 4px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.ai-error {
    padding: 12px;
    background: #fee2e2;
    border: 1px solid #fecaca;
    color: #991b1b;
    border-radius: 4px;
    font-size: 14px;
    margin: 16px 0;
}

.btn-primary,
.btn-success,
.btn-secondary {
    padding: 8px 16px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s;
}

.btn-primary {
    background: #2563eb;
    color: white;
    border-color: #1d4ed8;
}

.btn-primary:hover {
    background: #1d4ed8;
}

.btn-primary:disabled {
    background: #9ca3af;
    border-color: #9ca3af;
    cursor: not-allowed;
}

.btn-success {
    background: #10b981;
    color: white;
    border-color: #059669;
}

.btn-success:hover {
    background: #059669;
}

.btn-secondary {
    background: var(--card-bg);
    color: #333;
}

.btn-secondary:hover {
    background: #f3f4f6;
}