:root{--panel-bg:#0f1419;--panel-border:#1e2832;--editor-bg:#151c23;--text:#e6edf3;--text-muted:#8b949e;--error:#f85149;--warning:#d29922;--accent:#58a6ff;--success:#3fb950;--scrollbar-track:#151c23;--scrollbar-thumb:#484f58;--scrollbar-thumb-hover:#6e7681;--scrollbar-thumb-active:#58a6ff}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-track{background:var(--scrollbar-track)}::-webkit-scrollbar-thumb{background:var(--scrollbar-thumb);border:2px solid var(--scrollbar-track);border-radius:5px}::-webkit-scrollbar-thumb:hover{background:var(--scrollbar-thumb-hover)}::-webkit-scrollbar-thumb:active{background:var(--scrollbar-thumb-active)}::-webkit-scrollbar-corner{background:var(--scrollbar-track)}*{box-sizing:border-box;scrollbar-width:thin;scrollbar-color:var(--scrollbar-thumb)var(--scrollbar-track)}html,body{background:var(--panel-bg);height:100%;color:var(--text);margin:0;padding:0;font-family:ui-monospace,Cascadia Code,Source Code Pro,Menlo,monospace;font-size:13px}#__next,.app-root{flex-direction:column;height:100%;display:flex}.layout{flex:1;gap:0;min-height:0;display:flex}.panel-left{border-right:1px solid var(--panel-border);flex-direction:column;flex:0 60%;min-width:0;display:flex}.panel-right{background:var(--panel-bg);flex-direction:column;flex:0 40%;min-width:0;display:flex}@media (max-width:768px){.layout{flex-direction:column}.panel-left,.panel-right{flex:auto}}.panel-header__title{text-transform:uppercase}.toolbar--footer{justify-content:flex-end}.toolbar__credit{color:var(--text-muted);font-size:inherit;line-height:inherit}.visually-hidden{clip:rect(0,0,0,0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.panel-header{border-bottom:1px solid var(--panel-border);min-height:50px;color:var(--text-muted);flex-shrink:0;justify-content:space-between;align-items:center;padding:10px 14px;font-weight:600;display:flex}.panel-header__controls{align-items:center;gap:8px;display:flex}.panel-header__upload-btn{background:var(--editor-bg);border:1px solid var(--panel-border);color:var(--text);cursor:pointer;border-radius:4px;padding:4px 8px;font-family:inherit;font-size:12px}.panel-header__upload-btn:hover{border-color:var(--text-muted)}.panel-header__upload-btn:focus{border-color:var(--accent);outline:none}.panel-header__upload-btn:disabled,.panel-header__upload-btn[aria-disabled=true]{opacity:.6;cursor:not-allowed}.panel-header__file-input{opacity:0;z-index:-1;width:.1px;height:.1px;position:absolute;overflow:hidden}.panel-header__examples{background:var(--editor-bg);border:1px solid var(--panel-border);color:var(--text);cursor:pointer;border-radius:4px;min-width:0;max-width:220px;padding:4px 8px;font-family:inherit;font-size:12px}.panel-header__examples:hover{border-color:var(--text-muted)}.panel-header__examples:focus{border-color:var(--accent);outline:none}.yellow-card-toggle{border-bottom:1px solid var(--panel-border);cursor:pointer;color:var(--text);flex-shrink:0;align-items:center;gap:8px;padding:10px 14px;font-size:13px;display:flex}.settings-section .yellow-card-toggle{border-bottom:none;padding:8px 0 0}.yellow-card-toggle input{cursor:pointer}.editor-wrap{flex:1;min-height:0;padding:12px}.editor-with-gutter{background:var(--editor-bg);border:1px solid var(--panel-border);border-radius:6px;width:100%;height:100%;min-height:200px;display:flex;overflow:hidden}.editor-gutter{text-align:right;width:3.5em;color:var(--text-muted);-webkit-user-select:none;user-select:none;border-right:1px solid var(--panel-border);flex-shrink:0;padding:12px 8px 12px 12px;font-family:inherit;font-size:12px;line-height:1.5;overflow:hidden auto}.editor-gutter-line{min-height:1.5em}.editor-with-gutter textarea{background:var(--editor-bg);min-width:0;min-height:100%;color:var(--text);resize:none;tab-size:2;border:none;border-radius:0;flex:1;margin:0;padding:12px 12px 12px 10px;font-family:inherit;font-size:12px;line-height:1.5}.editor-with-gutter textarea:focus{outline:none}.editor-codemirror-wrap{flex:1;width:100%;min-width:0;min-height:0;display:flex;overflow:hidden}.editor-codemirror-wrap .cm-editor{background-color:var(--editor-bg);border-radius:0;flex:1;width:100%;min-width:0;max-width:100%;height:100%;min-height:0}.editor-codemirror-wrap .cm-scroller{width:100%;min-width:0;max-width:100%;height:100%;min-height:0;overflow:auto!important}.editor-codemirror-wrap .cm-content{box-sizing:border-box;max-width:100%}.xml-editor-cm.cm-theme-none,.xml-editor-cm.cm-theme,.xml-editor-cm.cm-theme-dark{border-radius:0;width:100%;max-width:100%;height:100%}.editor-codemirror-wrap .cm-gutters{background-color:var(--editor-bg);border-right-color:var(--panel-border)}.editor-codemirror-wrap .cm-line:nth-child(odd){background:var(--editor-bg)}.editor-codemirror-wrap .cm-line:nth-child(2n){background:#ffffff08}.editor-codemirror-wrap .cm-line.cm-error-line{background:#f8514926}.settings-section{border-top:1px solid var(--panel-border);flex-shrink:0;padding:10px 14px}.settings-section__heading{color:var(--text-muted);text-transform:uppercase;letter-spacing:.04em;margin:0;font-size:11px;font-weight:600}.editor-position{color:var(--text-muted);font-variant-numeric:tabular-nums;margin-right:auto;padding:0 8px;font-size:11px}.toolbar{border-top:1px solid var(--panel-border);flex-shrink:0;align-items:center;gap:8px;min-height:50px;padding:8px 12px;display:flex}.toolbar-divider{background:var(--panel-border);flex-shrink:0;width:1px;height:20px;margin:0 4px}.toolbar-export-wrap{position:relative}.toolbar-export-menu{border:1px solid var(--panel-border);background:var(--editor-bg);z-index:10;border-radius:6px;min-width:140px;margin-bottom:4px;padding:4px 0;position:absolute;bottom:100%;left:0;box-shadow:0 4px 12px #0000004d}.toolbar-export-menu__item{width:100%;color:var(--text);font:inherit;text-align:left;cursor:pointer;background:0 0;border:none;border-radius:0;padding:8px 12px;display:block}.toolbar-export-menu__item:hover{background:#1c2128}.btn{border:1px solid var(--panel-border);background:var(--editor-bg);color:var(--text);font:inherit;cursor:pointer;border-radius:6px;padding:6px 12px}.btn:hover:not(:disabled){border-color:var(--text-muted);background:#1c2128}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-primary{background:var(--accent);border-color:var(--accent);color:#fff}.btn-primary:hover{opacity:.9}.errors-list{flex:1;min-height:0;padding:12px;overflow:auto}.error-item{border-left:3px solid var(--error);background:#f8514914;border-radius:6px;margin-bottom:10px;padding:12px 14px;font-size:12px}.error-item.warning{border-left-color:var(--warning);background:#d2992214}.error-item__meta{flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:6px;display:flex}.error-item__source{color:var(--text-muted);text-transform:uppercase;letter-spacing:.03em;font-size:11px;font-weight:600}.error-item__location{color:var(--accent);font-family:ui-monospace,monospace;font-size:12px;font-weight:500}.error-item__message{color:var(--text);margin:0 0 6px;line-height:1.45}.error-item__hint{color:var(--text-muted);border-left:2px solid var(--text-muted);background:#0003;border-radius:4px;margin:0;padding:8px 10px;font-size:11px;line-height:1.4}.error-item--clickable{cursor:pointer}.error-item--clickable:hover{background:#f8514924}.error-item--clickable:hover .error-item__location{text-decoration:underline}.error-item__valid-options{border-left:2px solid var(--accent);background:#00000026;border-radius:4px;margin-top:8px;padding:8px 10px;font-size:11px}.error-item__code-list-name{color:var(--text-muted);margin:0 0 4px;font-weight:600}.error-item__valid-options-title{color:var(--text-muted);margin:0 0 4px}.error-item__valid-options-list{color:var(--text);max-height:200px;margin:0;padding-left:18px;line-height:1.5;overflow-y:auto}.error-item__valid-options-more{margin-top:6px}.error-item__valid-options-more summary{cursor:pointer;color:var(--accent);font-weight:500}.error-item__raw-details{margin-top:8px}.error-item__raw-details summary{cursor:pointer;color:var(--text-muted);font-size:11px}.error-item__raw{color:var(--text-muted);white-space:pre-wrap;word-break:break-all;border-left:2px solid var(--text-muted);background:#0003;border-radius:4px;margin:6px 0 0;padding:8px 10px;font-family:ui-monospace,Cascadia Code,Source Code Pro,Menlo,monospace;font-size:11px;line-height:1.4;overflow-x:auto}.error-item__ai-btn{border:1px solid var(--accent);color:var(--accent);cursor:pointer;background:0 0;border-radius:4px;margin-left:auto;padding:4px 10px;font-size:11px;font-weight:600}.error-item__ai-btn:hover:not(:disabled){background:#58a6ff26}.error-item__ai-btn:disabled{cursor:not-allowed;opacity:.8}.error-item__ai-btn--loading{color:var(--text-muted);border-color:var(--text-muted)}.error-item__ai-btn--done{color:var(--success);border-color:var(--success)}.error-item__ai-analysis{border:1px solid var(--panel-border);background:#0003;border-radius:6px;margin-top:12px;padding:10px 12px;font-size:12px}.error-item__ai-analysis-heading{color:var(--text-muted);text-transform:uppercase;letter-spacing:.04em;margin:0 0 8px;font-size:11px;font-weight:600}.error-item__ai-analysis-problem{color:var(--text);margin:0 0 10px;font-weight:600;line-height:1.4}.error-item__ai-analysis-label{color:var(--text-muted);margin:10px 0 4px;font-size:11px;font-weight:600}.error-item__ai-analysis-text{color:var(--text);margin:0;line-height:1.45}.error-item__ai-analysis-snippet{color:var(--text-muted);white-space:pre-wrap;word-break:break-all;border-left:2px solid var(--accent);background:#00000040;border-radius:4px;margin:6px 0 0;padding:8px 10px;font-family:ui-monospace,Cascadia Code,Source Code Pro,Menlo,monospace;font-size:11px;line-height:1.4;overflow-x:auto}.error-item__ai-error{color:var(--error);margin:8px 0 0;font-size:11px}.empty-state{text-align:center;color:var(--text-muted);padding:24px}.empty-state.valid{color:var(--success)}