/* 学术组图工具 专属 CSS */
body {
    background-color: #f2f4f7;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.tool-body-container {
    width: 100%;
    max-width: 1600px;
    padding: 10px;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.toolbar-container {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    width: 100%;
    margin-bottom: 10px;
    align-items: stretch;
}

.panel {
    background: #fff;
    padding: 10px 12px;
    border-radius: 6px;
    box-shadow: 0 1px 4px rgba(0,0,0,0.08);
    flex: 1 1 auto;
    border-top: 3px solid #1890ff;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.panel-title {
    font-size: 12px;
    font-weight: bold;
    color: #555;
    text-transform: uppercase;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.panel-row {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    align-items: center;
}

button, .btn-label {
    background-color: #f5f5f5;
    color: #333;
    border: 1px solid #d9d9d9;
    padding: 4px 8px;
    font-size: 12px;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

button:hover, .btn-label:hover {
    background-color: #e6f7ff;
    color: #1890ff;
    border-color: #1890ff;
}

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

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

.btn-danger {
    background-color: #fff1f0;
    color: #ff4d4f;
    border-color: #ffa39e;
}

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

.btn-active {
    background-color: #ff4d4f !important;
    color: white !important;
    border-color: #ff4d4f !important;
}

select, input[type="number"], input[type="color"] {
    padding: 3px 4px;
    border: 1px solid #d9d9d9;
    border-radius: 3px;
    font-size: 12px;
    outline: none;
}

input[type="number"] { width: 50px; }
input[type="file"] { display: none; }
label { font-size: 12px; color: #555; white-space: nowrap; }

.swatches { display: flex; gap: 4px; }
.swatch { width: 16px; height: 16px; border-radius: 2px; border: 1px solid #ccc; cursor: pointer; }
.swatch:hover { transform: scale(1.1); }

/* 画布响应式包装器 */
.canvas-wrapper {
    box-shadow: 0 4px 16px rgba(0,0,0,0.15);
    background-color: white;
    border: 1px solid #bbb;
    position: relative;
    max-width: 100%;
    overflow: auto; /* 关键：移动端超宽时允许横向滑动 */
    -webkit-overflow-scrolling: touch;
}

/* 面板颜色区分 */
.p-sys { border-top-color: #52c41a; }
.p-tool { border-top-color: #722ed1; }
.p-elem { border-top-color: #fa8c16; }
.p-prop { border-top-color: #eb2f96; flex-grow: 2;}
.p-align { border-top-color: #13c2c2; }

@media (max-width: 768px) {
    .panel {
        min-width: 100%;
    }
}