:root{color-scheme:dark;--bg: #0f1115;--bg-elev: #151922;--bg-elev-2: #1c2130;--border: #252b3b;--text: #e7ecf5;--text-dim: #98a2b3;--accent: #4f8cff;--accent-hover: #6aa0ff;--danger: #ff5e6c;--warn: #ffb648;--ok: #4ade80}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--text);font:14px/1.45 system-ui,-apple-system,Segoe UI,Roboto,sans-serif}.app{display:flex;flex-direction:column;height:100vh}.app__header{padding:18px 24px;border-bottom:1px solid var(--border);background:var(--bg-elev);display:flex;flex-direction:column;gap:4px}.app__header--compact{flex-direction:row;justify-content:space-between;align-items:center;padding:10px 16px}.app__header h1{margin:0;font-size:18px;font-weight:600}.app__subtitle{color:var(--text-dim);margin:4px 0 0;max-width:640px}.app__file{font-size:12px;color:var(--text-dim)}.app--empty{align-items:center;justify-content:center}.app--empty .app__header{border:none;background:transparent;text-align:center;margin-top:10vh}.app__layout{flex:1;min-height:0;display:grid;grid-template-columns:minmax(0,1fr) 360px}.app__canvas{background:linear-gradient(var(--bg-elev),var(--bg-elev)),repeating-linear-gradient(45deg,rgba(255,255,255,.02) 0 10px,transparent 10px 20px);padding:16px;overflow:auto;display:flex;align-items:center;justify-content:center}.app__sidebar{border-left:1px solid var(--border);background:var(--bg-elev);display:flex;flex-direction:column;min-height:0}.uploader-block{width:min(520px,90vw);margin:24px auto 0}.uploader__tabs{display:flex;gap:4px;padding:4px;margin-bottom:12px;background:var(--bg-elev);border:1px solid var(--border);border-radius:12px}.uploader__tab{flex:1;padding:8px 12px;border:none;border-radius:8px;background:transparent;color:var(--text-dim);font:inherit;font-weight:600;cursor:pointer;transition:background .15s,color .15s}.uploader__tab:hover{color:var(--text)}.uploader__tab--active{background:var(--bg-elev-2);color:var(--text)}.uploader-text{display:flex;flex-direction:column;gap:12px}.uploader__textarea{width:100%;min-height:220px;resize:vertical;padding:12px;border:1px solid var(--border);border-radius:12px;background:var(--bg-elev);color:var(--text);font:13px/1.5 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}.uploader__textarea:focus{outline:none;border-color:var(--accent)}.uploader__import{align-self:flex-end;padding:10px 20px;border:none;border-radius:10px;background:var(--accent);color:#fff;font:inherit;font-weight:600;cursor:pointer;transition:background .15s}.uploader__import:hover:not(:disabled){background:var(--accent-hover)}.uploader__import:disabled{opacity:.5;cursor:not-allowed}.uploader{width:100%;margin:0;border:2px dashed var(--border);border-radius:16px;padding:48px 24px;text-align:center;cursor:pointer;background:var(--bg-elev);transition:border-color .15s,background .15s}.uploader:hover,.uploader--drag{border-color:var(--accent);background:var(--bg-elev-2)}.uploader__icon{font-size:36px;color:var(--accent);margin-bottom:8px}.uploader__title{font-size:16px;font-weight:600}.uploader__hint{color:var(--text-dim);margin-top:4px}.canvas{width:100%;height:100%;display:flex;align-items:center;justify-content:center}.canvas__svg{width:min(100%,100%);height:100%;max-width:100%;max-height:100%;display:flex;align-items:center;justify-content:center}.canvas__svg svg{width:auto;height:auto;max-width:100%;max-height:calc(100vh - 120px);background:#fff;border-radius:8px;box-shadow:0 6px 30px #00000059}.canvas__svg svg path[data-uid]{cursor:pointer;fill:#4f8cff2e;stroke:#4f8cff99;stroke-width:1px;vector-effect:non-scaling-stroke;transition:fill .1s,filter .1s}.canvas__svg svg path[data-uid]:hover{fill:#4f8cff59;filter:drop-shadow(0 0 4px rgba(79,140,255,.9))}.canvas__svg svg path[data-uid].is-selected{fill:#4f8cff73;stroke:var(--accent)!important;stroke-width:3px!important;filter:drop-shadow(0 0 6px rgba(79,140,255,.9))}.toolbar{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.toolbar__opt{display:flex;align-items:center;gap:6px;color:var(--text-dim);font-size:13px;-webkit-user-select:none;user-select:none}.toolbar__opt input{accent-color:var(--accent)}.toolbar__group{display:flex;align-items:flex-end;gap:8px;padding:4px 10px;border-left:1px solid var(--border);border-right:1px solid var(--border)}.toolbar__field{display:flex;flex-direction:column;gap:2px;font-size:11px;color:var(--text-dim)}.toolbar__field input{width:110px;background:var(--bg);color:var(--text);border:1px solid var(--border);border-radius:6px;padding:5px 8px;font-size:12px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;outline:none}.toolbar__field input:focus{border-color:var(--accent)}.toolbar__field--sm input{width:64px}.toolbar__group .btn{padding:5px 10px;font-size:12px}.toolbar__group .btn:disabled{opacity:.5;cursor:not-allowed}.btn{border:1px solid var(--border);background:var(--bg-elev-2);color:var(--text);padding:8px 14px;border-radius:8px;cursor:pointer;font-size:13px;transition:background .12s,border-color .12s}.btn:hover{border-color:var(--accent)}.btn--primary{background:var(--accent);border-color:var(--accent);color:#fff;font-weight:600}.btn--primary:hover{background:var(--accent-hover);border-color:var(--accent-hover)}.btn--ghost{background:transparent}.card{padding:16px;border-bottom:1px solid var(--border)}.card__title{font-size:13px;text-transform:uppercase;letter-spacing:.05em;color:var(--text-dim);margin-bottom:10px}.card--empty .card__hint{color:var(--text-dim)}.field{display:block;margin-bottom:12px}.field__label{display:block;font-size:12px;color:var(--text-dim);margin-bottom:4px}.field__input{width:100%;background:var(--bg);color:var(--text);border:1px solid var(--border);border-radius:6px;padding:8px 10px;font-size:14px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;outline:none;transition:border-color .12s}.field__input:focus{border-color:var(--accent)}.field__input--error{border-color:var(--danger)}.field__error{color:var(--danger);font-size:12px;margin-top:4px}.field__suggest{background:transparent;border:none;color:var(--accent);padding:4px 0 0;cursor:pointer;font-size:12px}.field__suggest:hover{text-decoration:underline}.field__hint{margin-top:4px;font-size:12px;color:var(--text-dim)}.field__hint code{background:var(--bg);padding:1px 6px;border-radius:4px;color:var(--text);font-size:12px}.field__kind{display:flex;gap:8px;flex-wrap:wrap}.field__kind-opt{display:flex;align-items:center;gap:6px;padding:6px 10px;border:1px solid var(--border);border-radius:6px;cursor:pointer;font-size:13px;color:var(--text-dim);-webkit-user-select:none;user-select:none;background:var(--bg);transition:border-color .12s,color .12s}.field__kind-opt:hover{border-color:var(--accent)}.field__kind-opt input{accent-color:var(--accent)}.field__kind-opt:has(input:checked){border-color:var(--accent);color:var(--text)}.field--checkbox{display:flex;align-items:center;gap:8px;color:var(--text-dim);font-size:13px}.card__details{font-size:12px;color:var(--text-dim);margin-top:8px}.card__details summary{cursor:pointer;-webkit-user-select:none;user-select:none;padding:4px 0}.card__row{display:flex;gap:8px;padding:4px 0;border-top:1px solid var(--border)}.card__row-label{color:var(--text-dim);min-width:48px}.card__row--d code{word-break:break-all;font-size:11px;background:var(--bg);padding:4px 6px;border-radius:4px;display:block;max-height:140px;overflow:auto}.sector-list{flex:1;display:flex;flex-direction:column;min-height:0}.sector-list__header{padding:10px 16px;border-bottom:1px solid var(--border);color:var(--text-dim);font-size:12px;display:flex;gap:12px}.sector-list__meta{margin-left:auto}.sector-list__items{list-style:none;margin:0;padding:0;overflow-y:auto;flex:1}.sector-item{display:flex;gap:10px;padding:10px 16px;cursor:pointer;border-bottom:1px solid var(--border);transition:background .1s}.sector-item:hover{background:var(--bg-elev-2)}.sector-item--active{background:#4f8cff1f;box-shadow:inset 3px 0 0 var(--accent)}.sector-item--muted{opacity:.5}.sector-item__index{color:var(--text-dim);font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px;padding-top:1px}.sector-item__body{min-width:0;flex:1}.sector-item__id{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px;display:flex;gap:8px;align-items:center}.sector-item__placeholder{color:var(--text-dim);font-style:italic;font-family:inherit}.sector-item__title{color:var(--text-dim);font-size:12px;margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.badge{padding:1px 6px;border-radius:999px;font-size:10px;text-transform:uppercase;letter-spacing:.04em}.badge--error{background:#ff5e6c26;color:var(--danger)}.badge--kind{background:#4f8cff26;color:var(--accent);font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-weight:600}.badge--seat{background:#4ade8026;color:var(--ok)}.error{padding:10px 14px;background:#ff5e6c1a;color:var(--danger);border:1px solid rgba(255,94,108,.4);border-radius:8px;margin:12px auto;max-width:520px}.error--floating{position:fixed;bottom:16px;right:16px;max-width:420px;z-index:10}.seat-editor{position:fixed;top:0;right:0;bottom:0;left:0;z-index:50;display:flex;flex-direction:column;background:var(--bg)}.seat-editor__header{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 20px;border-bottom:1px solid var(--border);background:var(--bg-elev)}.seat-editor__title{font-size:15px}.seat-editor__count{margin-left:12px;color:var(--text-dim);font-size:12px}.seat-editor__body{flex:1;min-height:0;display:flex}.seat-editor__canvas-wrap{flex:1;min-width:0;position:relative;background:linear-gradient(var(--bg-elev-2) 1px,transparent 1px) 0 0 / 24px 24px,linear-gradient(90deg,var(--bg-elev-2) 1px,transparent 1px) 0 0 / 24px 24px,var(--bg);overflow:hidden}.seat-editor__empty{display:grid;place-items:center;height:100%;color:var(--text-dim)}.seat-canvas{width:100%;height:100%;touch-action:none;-webkit-user-select:none;user-select:none}.seat-canvas--seat,.seat-canvas--marker,.seat-canvas--line{cursor:crosshair}.seat-canvas--rect{cursor:cell}.seat-canvas--select{cursor:default}.seat-canvas__shape{fill:#4f8cff14;stroke:var(--accent);stroke-width:1;vector-effect:non-scaling-stroke}.seat{fill:var(--bg-elev);stroke:var(--text-dim);stroke-width:1;vector-effect:non-scaling-stroke}.seat--selected{fill:#4f8cff59;stroke:var(--accent);stroke-width:2}.seat__label{fill:var(--text);pointer-events:none;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}.seat-marker{fill:var(--warn);font-weight:600;cursor:default}.seat-marker--selected{fill:var(--accent)}.seat-rubber{fill:#4f8cff1f;stroke:var(--accent);stroke-width:1;stroke-dasharray:4 3;vector-effect:non-scaling-stroke}.seat-rect-preview{fill:#4ade801a;stroke:var(--ok);stroke-width:1;stroke-dasharray:4 3;vector-effect:non-scaling-stroke}.seat-line-preview{stroke:var(--ok);stroke-width:1.5;stroke-dasharray:4 3;vector-effect:non-scaling-stroke}.seat-toolbar{display:flex;flex-wrap:wrap;align-items:center;gap:14px;padding:10px 20px;border-bottom:1px solid var(--border);background:var(--bg-elev)}.seat-toolbar__group{display:flex;align-items:center;gap:6px;padding-right:14px;border-right:1px solid var(--border)}.seat-toolbar__group:last-child{border-right:none;padding-right:0}.seat-toolbar__group--end{margin-left:auto}.seat-tool{padding:6px 10px;border:1px solid var(--border);background:var(--bg-elev-2);color:var(--text);border-radius:6px;cursor:pointer;font-size:13px}.seat-tool:hover{border-color:var(--accent)}.seat-tool--active{background:#4f8cff2e;border-color:var(--accent);color:var(--accent-hover)}.seat-field{display:flex;flex-direction:column;font-size:11px;color:var(--text-dim);gap:2px}.seat-field input{width:78px;padding:5px 8px;background:var(--bg-elev-2);border:1px solid var(--border);border-radius:6px;color:var(--text)}.seat-inspector{width:300px;flex-shrink:0;border-left:1px solid var(--border);background:var(--bg-elev);padding:16px;overflow-y:auto;display:flex;flex-direction:column;gap:14px}.card__seats-btn{width:100%}.seat-rotate__range{width:100%;accent-color:var(--accent);cursor:pointer}.seat-toolbar__warn{color:var(--warn);border-color:#ffb64866}.json-modal{position:fixed;top:0;right:0;bottom:0;left:0;z-index:60;display:grid;place-items:center;background:#0000008c}.json-modal__panel{width:min(720px,92vw);max-height:86vh;display:flex;flex-direction:column;gap:12px;padding:18px;background:var(--bg-elev);border:1px solid var(--border);border-radius:12px;box-shadow:0 20px 60px #00000080}.json-modal__header{display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:15px}.json-modal__hint{color:var(--text-dim);font-size:12px}.json-modal__area{flex:1;min-height:300px;resize:vertical;padding:12px;background:var(--bg);border:1px solid var(--border);border-radius:8px;color:var(--text);font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px;line-height:1.5;white-space:pre;overflow:auto}.json-modal__area:focus{outline:none;border-color:var(--accent)}.json-modal__footer{display:flex;justify-content:flex-end;gap:8px}