:root{--bg-main:#f8f9fa;--bg-card:#ffffff;--border-color:#e0e0e0;--text-main:#202124;--text-muted:#5f6368;--primary:#1D9991;--primary-hover:#157b74;--header-bg:#f1f3f4;}*{box-sizing:border-box;margin:0;padding:0;}body{font-family:'Inter',sans-serif;background-color:var(--bg-main);color:var(--text-main);height:100vh;display:flex;flex-direction:column;overflow:hidden;}.loader-container{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100vh;gap:16px;color:var(--text-muted);}.spinner{animation:spin 1s linear infinite;}@keyframes spin{100%{transform:rotate(360deg);}}.error-container{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100vh;gap:12px;color:#e74c3c;text-align:center;}.error-container h2{font-size:20px;font-weight:600;}.error-container p{color:var(--text-muted);}.viewer-container{display:flex;flex-direction:column;height:100%;width:100%;}.viewer-header{display:flex;align-items:center;justify-content:space-between;padding:12px 24px;background-color:var(--bg-card);border-bottom:1px solid var(--border-color);box-shadow:0 1px 2px rgba(0,0,0,0.05);z-index:10;}.header-left{display:flex;align-items:center;gap:16px;}.logo{width:32px;height:32px;border-radius:4px;}.header-titles{display:flex;flex-direction:column;}.header-titles h1{font-size:16px;font-weight:600;line-height:1.2;color:var(--text-main);}.artifact-meta{font-size:13px;color:var(--text-muted);margin-top:2px;}.btn{display:flex;align-items:center;gap:8px;padding:8px 16px;border-radius:6px;font-size:14px;font-weight:500;cursor:pointer;border:none;transition:all 0.2s;}.btn-secondary{background-color:var(--bg-card);border:1px solid var(--border-color);color:var(--text-main);}.btn-secondary:hover{background-color:var(--header-bg);}.table-container{flex:1;overflow:auto;background-color:var(--bg-card);position:relative;}.table-container::-webkit-scrollbar{width:10px;height:10px;}.table-container::-webkit-scrollbar-track{background:var(--bg-main);}.table-container::-webkit-scrollbar-thumb{background:#c1c1c1;border-radius:5px;}.table-container::-webkit-scrollbar-thumb:hover{background:#a8a8a8;}table{width:100%;border-collapse:separate;border-spacing:0;min-width:max-content;}th{position:sticky;top:0;background-color:var(--header-bg);color:var(--text-muted);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:0.5px;padding:6px 12px;text-align:left;border-bottom:2px solid var(--border-color);border-right:1px solid var(--border-color);z-index:1;white-space:nowrap;}th:last-child{border-right:none;}td{padding:6px 12px;font-size:13px;color:var(--text-main);border-bottom:1px solid var(--border-color);border-right:1px solid var(--border-color);white-space:nowrap;max-width:300px;overflow:hidden;text-overflow:ellipsis;}td:last-child{border-right:none;}tbody tr{background-color:var(--bg-card);}tbody tr:nth-child(even){background-color:#fafafa;}tbody tr:hover{background-color:#f0f7f6;}td[contenteditable="true"]:focus{outline:2px solid var(--primary);outline-offset:-2px;background-color:#fff;cursor:text;}td a{color:var(--primary);text-decoration:none;}td a:hover{text-decoration:underline;}