app.css

<style>
/* Modern color scheme */
:root {
  /* 주요 브랜드 컬러 */
  --primary: #0066cc;      /* 메인 브랜드 컬러 */
  --secondary: #3385ff;    /* 밝은 액센트 */
  --accent: #66a3ff;       /* 부드러운 포인트 컬러 */

  /* 배경 컬러 */
  --background: #f7f9fc;   /* 메인 배경 */
  --surface: #ffffff;      /* 카드 배경 */
  
  /* 텍스트 컬러 */
  --text-primary: #2c3e50; /* 주요 텍스트 */
  --text-secondary: #546e7a; /* 부가 텍스트 */
  --text-tertiary: #78909c; /* 덜 중요한 텍스트 */
  
  /* 기능성 컬러 */
  --success: #34c759;      /* 성공/확인 */
  --warning: #ff9500;      /* 경고/주의 */
  --error: #ff3b30;        /* 오류/삭제 */
  
  /* 중립 컬러 */
  --neutral-100: #f8f9fa;
  --neutral-200: #e9ecef;
  --neutral-300: #dee2e6;
  --neutral-400: #ced4da;
}

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--background);
  color: var(--text-primary);
  line-height: 1.5;
}

.left_header {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background: linear-gradient(135deg, var(--surface), var(--neutral-100));
  backdrop-filter: blur(10px);
  border-radius: 24px;
  padding: 2rem;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
  border: 1px solid var(--neutral-200);
  text-align: center;
  margin-bottom: 2rem;
}

.left_header img {
  width: 180px;
  margin-bottom: 1rem;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.left_header h1 {
  margin: 0.5rem 0;
  font-weight: 600;
  color: var(--text-primary);
}

.right_panel {
  position: relative;
  height: 100%; /* 전체 화면을 차지하도록 변경 */
  display: flex;
  flex-direction: column;
}

.html_content {
  flex: 1; /* 부모 안에서 남은 공간을 모두 차지 */
  display: flex;
  flex-direction: column;
  height: 100%; /* 높이를 100%로 */
}

.html_content iframe {
  flex: 1; /* 남은 공간을 모두 사용 */
  width: 100%;
  height: 100%; /* 높이 설정 */
  border: none;
  display: block;
}

/* iframe 내부 스타일을 위한 추가 */
.html_content iframe html,
.html_content iframe body {
  margin: 0;
  padding: 0;
  height: 100%;
  width: 100%;
  overflow: auto;
}

.render_header {
  height: 30px;
  background: var(--neutral-100);
  border-radius: 8px 8px 0 0;
  display: flex;
  align-items: center;
  padding: 0 12px;
  gap: 6px;
  flex-shrink: 0;
}

.header_btn {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.render_header > .header_btn:nth-child(1) {
  background-color: var(--error);
}

.render_header > .header_btn:nth-child(2) {
  background-color: var(--warning);
}

.render_header > .header_btn:nth-child(3) {
  background-color: var(--success);
}

.right_content {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  background: var(--surface);
}

.ant-tabs-content {
  height: 100%;
  display: flex;
  flex-direction: column;
}

.ant-tabs-tabpane {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.ant-empty,
.ant-spin-container {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
}

.history_chatbot button {
  background: none;
  border: none;
}

footer, .footer, div[class*="footer"], #footer {
  display: none !important;
}

#component-0 textarea,
.gradio-container textarea,
.ant-input-textarea-large textarea {
  height: 300px !important;
  min-height: 300px !important;
  resize: vertical !important;
  border: 2px solid var(--neutral-200);
  border-radius: 12px;
  transition: all 0.3s;
  background: var(--surface);
  color: var(--text-primary);
  padding: 1rem;
}

#component-0 textarea:focus,
.gradio-container textarea:focus,
.ant-input-textarea-large textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(102, 163, 255, 0.2);
}

.setting-buttons {
  position: sticky;
  top: 1rem;
  right: 0;
  z-index: 1000;
  display: flex;
  gap: 8px;
  padding: 12px;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(8px);
  border-radius: 12px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
  border: 1px solid var(--neutral-200);
}

.ant-btn {
  flex: 1;
  min-width: 80px;
  border-radius: 8px;
  font-weight: 500;
  transition: all 0.3s;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ant-btn-primary {
  background: linear-gradient(to right, var(--primary), var(--secondary));
  border: none;
  color: white;
}

.ant-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 102, 204, 0.3);
}

.ant-btn-default {
  background: var(--surface);
  border: 1px solid var(--primary);
  color: var(--primary);
}

.ant-btn-default:hover {
  color: var(--secondary);
  border-color: var(--secondary);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 102, 204, 0.1);
}

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--neutral-100);
}

::-webkit-scrollbar-thumb {
  background: var(--neutral-300);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--neutral-400);
}

@media (max-width: 768px) {
  .right_panel {
    height: 400px;
    margin: 10px;
  }
  
  .setting-buttons {
    flex-wrap: wrap;
  }

  .ant-btn {
    min-width: 60px;
    font-size: 0.9rem;
  }
}

.right_panel::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: var(--neutral-200);
  cursor: ns-resize;
}

.ant-drawer-content-wrapper {
  border-radius: 16px 0 0 16px;
}

.ant-drawer-header {
  background: var(--primary);
  color: white;
  border-radius: 16px 0 0 0;
}

.ant-drawer-title {
  color: white;
  font-weight: 500;
}

.ant-drawer-close {
  color: white;
}

.ant-drawer-body {
  background: var(--surface);
}

.session-drawer .chatbot {
  height: calc(100vh - 200px);
  overflow-y: auto;
}

.session-history {
  height: 700px;
  overflow-y: auto;
  padding: 1rem;
}

.prompt-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  padding: 1.5rem;
}

.prompt-card {
  background: var(--surface);
  border-radius: 16px;
  padding: 1.25rem;
  cursor: pointer;
  transition: all 0.3s;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
  border: 1px solid var(--neutral-200);
}

.prompt-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 


 <style>
/* Modern color scheme */
:root {
  /* 주요 브랜드 컬러 */
  --primary: #0066cc;      /* 메인 브랜드 컬러 */
  --secondary: #3385ff;    /* 밝은 액센트 */
  --accent: #66a3ff;       /* 부드러운 포인트 컬러 */

  /* 배경 컬러 */
  --background: #f7f9fc;   /* 메인 배경 */
  --surface: #ffffff;      /* 카드 배경 */
  
  /* 텍스트 컬러 */
  --text-primary: #2c3e50; /* 주요 텍스트 */
  --text-secondary: #546e7a; /* 부가 텍스트 */
  --text-tertiary: #78909c; /* 덜 중요한 텍스트 */
  
  /* 기능성 컬러 */
  --success: #34c759;      /* 성공/확인 */
  --warning: #ff9500;      /* 경고/주의 */
  --error: #ff3b30;        /* 오류/삭제 */
  
  /* 중립 컬러 */
  --neutral-100: #f8f9fa;
  --neutral-200: #e9ecef;
  --neutral-300: #dee2e6;
  --neutral-400: #ced4da;
}

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--background);
  color: var(--text-primary);
  line-height: 1.5;
}

.left_header {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background: linear-gradient(135deg, var(--surface), var(--neutral-100));
  backdrop-filter: blur(10px);
  border-radius: 24px;
  padding: 2rem;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
  border: 1px solid var(--neutral-200);
  text-align: center;
  margin-bottom: 2rem;
}

.left_header img {
  width: 180px;
  margin-bottom: 1rem;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.left_header h1 {
  margin: 0.5rem 0;
  font-weight: 600;
  color: var(--text-primary);
}

.right_panel {
  position: relative;
  height: 100%; /* 전체 화면을 차지하도록 변경 */
  display: flex;
  flex-direction: column;
}

.html_content {
  flex: 1; /* 부모 안에서 남은 공간을 모두 차지 */
  display: flex;
  flex-direction: column;
  height: 100%; /* 높이를 100%로 */
}

.html_content iframe {
  flex: 1; /* 남은 공간을 모두 사용 */
  width: 100%;
  height: 100%; /* 높이 설정 */
  border: none;
  display: block;
}

/* iframe 내부 스타일을 위한 추가 */
.html_content iframe html,
.html_content iframe body {
  margin: 0;
  padding: 0;
  height: 100%;
  width: 100%;
  overflow: auto;
}

.render_header {
  height: 30px;
  background: var(--neutral-100);
  border-radius: 8px 8px 0 0;
  display: flex;
  align-items: center;
  padding: 0 12px;
  gap: 6px;
  flex-shrink: 0;
}

.header_btn {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.render_header > .header_btn:nth-child(1) {
  background-color: var(--error);
}

.render_header > .header_btn:nth-child(2) {
  background-color: var(--warning);
}

.render_header > .header_btn:nth-child(3) {
  background-color: var(--success);
}

.right_content {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  background: var(--surface);
}

.ant-tabs-content {
  height: 100%;
  display: flex;
  flex-direction: column;
}

.ant-tabs-tabpane {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.ant-empty,
.ant-spin-container {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
}

.history_chatbot button {
  background: none;
  border: none;
}

footer, .footer, div[class*="footer"], #footer {
  display: none !important;
}

#component-0 textarea,
.gradio-container textarea,
.ant-input-textarea-large textarea {
  height: 300px !important;
  min-height: 300px !important;
  resize: vertical !important;
  border: 2px solid var(--neutral-200);
  border-radius: 12px;
  transition: all 0.3s;
  background: var(--surface);
  color: var(--text-primary);
  padding: 1rem;
}

#component-0 textarea:focus,
.gradio-container textarea:focus,
.ant-input-textarea-large textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(102, 163, 255, 0.2);
}

.setting-buttons {
  position: sticky;
  top: 1rem;
  right: 0;
  z-index: 1000;
  display: flex;
  gap: 8px;
  padding: 12px;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(8px);
  border-radius: 12px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
  border: 1px solid var(--neutral-200);
}

.ant-btn {
  flex: 1;
  min-width: 80px;
  border-radius: 8px;
  font-weight: 500;
  transition: all 0.3s;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ant-btn-primary {
  background: linear-gradient(to right, var(--primary), var(--secondary));
  border: none;
  color: white;
}

.ant-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 102, 204, 0.3);
}

.ant-btn-default {
  background: var(--surface);
  border: 1px solid var(--primary);
  color: var(--primary);
}

.ant-btn-default:hover {
  color: var(--secondary);
  border-color: var(--secondary);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 102, 204, 0.1);
}

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--neutral-100);
}

::-webkit-scrollbar-thumb {
  background: var(--neutral-300);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--neutral-400);
}

@media (max-width: 768px) {
  .right_panel {
    height: 400px;
    margin: 10px;
  }
  
  .setting-buttons {
    flex-wrap: wrap;
  }

  .ant-btn {
    min-width: 60px;
    font-size: 0.9rem;
  }
}

.right_panel::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: var(--neutral-200);
  cursor: ns-resize;
}

.ant-drawer-content-wrapper {
  border-radius: 16px 0 0 16px;
}

.ant-drawer-header {
  background: var(--primary);
  color: white;
  border-radius: 16px 0 0 0;
}

.ant-drawer-title {
  color: white;
  font-weight: 500;
}

.ant-drawer-close {
  color: white;
}

.ant-drawer-body {
  background: var(--surface);
}

.session-drawer .chatbot {
  height: calc(100vh - 200px);
  overflow-y: auto;
}

.session-history {
  height: 700px;
  overflow-y: auto;
  padding: 1rem;
}

.prompt-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  padding: 1.5rem;
}

.prompt-card {
  background: var(--surface);
  border-radius: 16px;
  padding: 1.25rem;
  cursor: pointer;
  transition: all 0.3s;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
  border: 1px solid var(--neutral-200);
}

.prompt-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
}

.card-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 12px;
  margin-bottom: 1rem;
}

.card-name {
  font-weight: 600;
  margin-bottom: 0.8rem;
  font-size: 1.1rem;
  color: var(--text-primary);
}

.card-prompt {
  font-size: 0.9rem;
  color: var(--text-secondary);
  background: var(--neutral-100);
  padding: 0.8rem;
  border-radius: 8px;
  line-height: 1.5;
}
</style>

<script>
// iframe 내부 콘텐츠 크기 조정을 위한 스크립트
function adjustIframeContent() {
  const iframes = document.querySelectorAll('.html_content iframe');
  iframes.forEach(iframe => {
    iframe.onload = function() {
      const iframeDoc = iframe.contentDocument || iframe.contentWindow.document;

      // 스타일 요소 생성
      const style = iframeDoc.createElement('style');
      style.textContent = `
        html, body {
          margin: 0;
          padding: 0;
          height: 100%;
          width: 100%;
          overflow: auto;
        }
        body {
          display: flex;
          flex-direction: column;
        }
        body > * {
          width: 100%;
        }
      `;

      if (iframeDoc.head) {
        iframeDoc.head.appendChild(style);
      }

      // iframe 크기 설정
      iframe.style.height = '100%';
    };
  });
}

// 페이지 로드 시 실행
document.addEventListener('DOMContentLoaded', function() {
  adjustIframeContent();
  
  // DOM 변화 감지하여 새로운 iframe에도 적용
  const observer = new MutationObserver(function(mutations) {
    mutations.forEach(function(mutation) {
      if (mutation.addedNodes.length) {
        adjustIframeContent();
      }
    });
  });

  observer.observe(document.body, {
    childList: true,
    subtree: true
  });
});

// send_to_sandbox 함수 수정
function send_to_sandbox(code) {
  const encoded_html = btoa(unescape(encodeURIComponent(code)));
  const data_uri = `data:text/html;base64,${encoded_html}`;
  return `<div class="render_content"><iframe src="${data_uri}" style="width:100%;height:100%;border:none;"></iframe></div>`;
}
</script>