{
 "cells": [
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# `ui.add_style`\n",
    "\n",
    "## 向页面添加样式定义\n",
    "\n",
    "此函数可用于将 CSS、SCSS 或 SASS 样式定义添加到 HTML 页面的头部。\n",
    "\n",
    "- `content`：样式内容（字符串或文件路径）\n",
    "- `indented`：内容是否缩进（SASS）或不缩进（SCSS/CSS）（默认：`False`）"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "<nicegui.elements.label.Label at 0x2428af8a850>"
      ]
     },
     "execution_count": 1,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "from nicegui import ui\n",
    "\n",
    "ui.add_style('''\n",
    "    .red {\n",
    "        color: red;\n",
    "    }\n",
    "''')\n",
    "ui.label('This is red with CSS.').classes('red')\n",
    "\n",
    "# ui.run()"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## 使用 SCSS 定义样式\n",
    "\n",
    "您也可以使用 SCSS 来定义样式。"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {},
   "outputs": [],
   "source": [
    "from nicegui import ui\n",
    "\n",
    "ui.add_style('''\n",
    "    .green {\n",
    "        background-color: lightgreen;\n",
    "        .blue {\n",
    "            color: blue;\n",
    "        }\n",
    "    }\n",
    "''')\n",
    "with ui.element().classes('green'):\n",
    "    ui.label('This is blue on green with SCSS.').classes('blue')\n",
    "\n",
    "# ui.run()"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## 使用 SASS\n",
    "\n",
    "您也可以通过将 `indented` 参数设置为 `True` 来使用缩进的 SASS 语法。"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {},
   "outputs": [],
   "source": [
    "from nicegui import ui\n",
    "\n",
    "ui.add_style('''\n",
    "    .yellow\n",
    "        background-color: yellow\n",
    "        .purple\n",
    "            color: purple\n",
    "''', indented=True)\n",
    "with ui.element().classes('yellow'):\n",
    "    ui.label('This is purple on yellow with SASS.').classes('purple')\n",
    "\n",
    "# ui.run()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  }
 ],
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