/* 基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: #f0f2f5;
    color: #333;
}

/* 应用容器 */
.app-container {
    display: flex;
    flex-direction: column;
    height: 100vh;
}

/* 顶部工具栏 */
.toolbar {
    display: flex;
    align-items: center;
    padding: 12px 20px;
    background: #fff;
    border-bottom: 1px solid #e8e8e8;
    gap: 20px;
}

.toolbar-title {
    font-size: 18px;
    font-weight: 600;
    color: #1890ff;
}

.toolbar-actions {
    display: flex;
    gap: 10px;
    flex: 1;
}

.toolbar-info {
    font-size: 14px;
    color: #666;
    background: #f5f5f5;
    padding: 6px 12px;
    border-radius: 4px;
}

/* 按钮样式 */
.btn {
    padding: 8px 16px;
    border: 1px solid #d9d9d9;
    border-radius: 4px;
    background: #fff;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s;
}

.btn:hover {
    border-color: #1890ff;
    color: #1890ff;
}

.btn-primary {
    background: #1890ff;
    border-color: #1890ff;
    color: #fff;
}

.btn-primary:hover {
    background: #40a9ff;
    border-color: #40a9ff;
    color: #fff;
}

.btn-danger {
    color: #ff4d4f;
    border-color: #ff4d4f;
}

.btn-danger:hover {
    background: #ff4d4f;
    color: #fff;
}

.btn-delete {
    width: 100%;
    padding: 8px 16px;
    background: #ff4d4f;
    border: none;
    border-radius: 4px;
    color: #fff;
    font-size: 14px;
    cursor: pointer;
    transition: background 0.3s;
}

.btn-delete:hover {
    background: #ff7875;
}

/* 编辑器容器 */
.editor-container {
    display: flex;
    flex: 1;
    overflow: hidden;
}

/* 工具箱 */
.webbuilder-toolbox {
    width: 200px;
    background: #fff;
    border-right: 1px solid #e8e8e8;
    display: flex;
    flex-direction: column;
}

.webbuilder-toolbox-title {
    padding: 16px;
    font-size: 14px;
    font-weight: 600;
    border-bottom: 1px solid #e8e8e8;
    color: #333;
}

.webbuilder-toolbox-list {
    flex: 1;
    padding: 12px;
    overflow-y: auto;
}

.webbuilder-toolbox-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px;
    margin-bottom: 8px;
    background: #fafafa;
    border: 1px solid #e8e8e8;
    border-radius: 4px;
    cursor: grab;
    transition: all 0.3s;
}

.webbuilder-toolbox-item:hover {
    border-color: #1890ff;
    background: #e6f7ff;
}

.webbuilder-toolbox-item .icon {
    font-size: 20px;
}

.webbuilder-toolbox-item .label {
    font-size: 13px;
    color: #333;
}

/* 画布容器 */
.webbuilder-canvas-wrapper {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding: 20px;
    overflow: auto;
    background: #e8e8e8;
}

/* 画布 */
.webbuilder-canvas {
    background: #fff;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.1);
    transition: all 0.3s;
}

.webbuilder-canvas.dropping {
    outline: 2px dashed #1890ff;
    outline-offset: -2px;
}

/* 组件 */
.webbuilder-component {
    background: #fff;
    border: 2px solid transparent;
    border-radius: 4px;
    transition: border-color 0.3s;
    cursor: move;
}

.webbuilder-component:hover {
    border-color: #91d5ff;
}

.webbuilder-component.selected {
    border-color: #1890ff;
    box-shadow: 0 0 0 2px rgba(24, 144, 255, 0.2);
}

/* 属性面板 */
.webbuilder-property-panel {
    width: 280px;
    background: #fff;
    border-left: 1px solid #e8e8e8;
    overflow-y: auto;
}

.property-title {
    padding: 16px;
    font-size: 14px;
    font-weight: 600;
    border-bottom: 1px solid #e8e8e8;
    color: #333;
}

.property-section {
    padding: 16px;
    border-bottom: 1px solid #e8e8e8;
}

.property-section-title {
    font-size: 12px;
    color: #999;
    margin-bottom: 12px;
    text-transform: uppercase;
}

.property-row {
    display: flex;
    align-items: center;
    margin-bottom: 12px;
}

.property-row:last-child {
    margin-bottom: 0;
}

.property-row label {
    width: 60px;
    font-size: 13px;
    color: #666;
}

.property-row input {
    flex: 1;
    padding: 6px 10px;
    border: 1px solid #d9d9d9;
    border-radius: 4px;
    font-size: 13px;
}

.property-row input:focus {
    outline: none;
    border-color: #1890ff;
    box-shadow: 0 0 0 2px rgba(24, 144, 255, 0.2);
}

.property-row input[type="checkbox"] {
    flex: none;
    width: 16px;
    height: 16px;
}

/* 弹窗 */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.modal-content {
    width: 80%;
    max-width: 800px;
    max-height: 80vh;
    background: #fff;
    border-radius: 8px;
    display: flex;
    flex-direction: column;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid #e8e8e8;
    font-size: 16px;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: #999;
}

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

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

.modal-body pre {
    background: #f5f5f5;
    padding: 16px;
    border-radius: 4px;
    font-family: 'Monaco', 'Menlo', 'Consolas', monospace;
    font-size: 13px;
    line-height: 1.5;
    white-space: pre-wrap;
    word-wrap: break-word;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    padding: 16px 20px;
    border-top: 1px solid #e8e8e8;
}

/* 示例组件样式 */
.iot-gauge {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 8px;
    color: #fff;
    height: 100%;
}

.iot-gauge .value {
    font-size: 32px;
    font-weight: bold;
}

.iot-gauge .label {
    font-size: 14px;
    opacity: 0.8;
}

.iot-switch {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: #fff;
    border: 1px solid #e8e8e8;
    border-radius: 8px;
    height: 100%;
}

.iot-switch .switch {
    width: 60px;
    height: 30px;
    background: #ccc;
    border-radius: 15px;
    position: relative;
    cursor: pointer;
}

.iot-switch .switch.active {
    background: #52c41a;
}

.iot-switch .switch::after {
    content: '';
    position: absolute;
    width: 26px;
    height: 26px;
    background: #fff;
    border-radius: 50%;
    top: 2px;
    left: 2px;
    transition: left 0.3s;
}

.iot-switch .switch.active::after {
    left: 32px;
}

.iot-slider {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: #fff;
    border: 1px solid #e8e8e8;
    border-radius: 8px;
    padding: 20px;
    height: 100%;
}

.iot-slider input[type="range"] {
    width: 100%;
}

.iot-button {
    display: flex;
    align-items: center;
    justify-content: center;
    background: #1890ff;
    border-radius: 8px;
    color: #fff;
    font-size: 16px;
    font-weight: 500;
    height: 100%;
    cursor: pointer;
    transition: background 0.3s;
}

.iot-button:hover {
    background: #40a9ff;
}

.iot-value-display {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: #fff;
    border: 1px solid #e8e8e8;
    border-radius: 8px;
    height: 100%;
}

.iot-value-display .value {
    font-size: 28px;
    font-weight: bold;
    color: #1890ff;
}

.iot-value-display .label {
    font-size: 12px;
    color: #999;
    margin-top: 4px;
}