:root{--surface:#fff;--surface-muted:#f4f5f7;--border:#d8dbe0;--text:#1c1f24;--text-muted:#646b76;--accent:#2f6fd0;--accent-soft:#e4edfb;--danger:#b4231f;--danger-soft:#fdeceb;--canvas-bg:#fbfbfc;--floor:#e9eef6;--wall:#3b4350;color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--surface-muted)}.app{grid-template-rows:auto auto auto 1fr auto;height:100%;display:grid;overflow:hidden}.app__header{background:var(--surface);border-bottom:1px solid var(--border);padding:14px 20px 10px}.app__header h1{margin:0;font-size:18px;font-weight:600}.app__subtitle{color:var(--text-muted);margin:4px 0 0;font-size:12px}.toolbar{background:var(--surface);border-bottom:1px solid var(--border);align-items:center;gap:16px;padding:8px 20px;display:flex}.toolbar__group{gap:6px;display:flex}.toolbar__group--end{margin-left:auto}.statusbar{color:var(--text-muted);background:var(--surface);border-top:1px solid var(--border);align-items:center;gap:16px;padding:6px 20px;font-size:12px;display:flex}.statusbar__tool{color:var(--accent);background:var(--accent-soft);border-radius:4px;padding:2px 8px;font-weight:600}.statusbar__hint{text-overflow:ellipsis;white-space:nowrap;flex:1;min-width:0;overflow:hidden}.statusbar__item{white-space:nowrap}.statusbar__item--warning{color:var(--danger);background:var(--danger-soft);border-radius:4px;padding:2px 8px;font-weight:600}button{font:inherit;color:var(--text);background:var(--surface);border:1px solid var(--border);cursor:pointer;border-radius:6px;padding:6px 12px;font-size:13px}button:hover:not(:disabled){border-color:var(--accent)}button:disabled{color:var(--text-muted);cursor:not-allowed;opacity:.55}button.is-active{color:var(--accent);background:var(--accent-soft);border-color:var(--accent)}.button--secondary{color:var(--text-muted)}.app__body{grid-template-columns:1fr 320px;min-height:0;display:grid;overflow:hidden}.plan-canvas{background:var(--canvas-bg);min-width:0;min-height:0;position:relative}.plan-canvas__svg{touch-action:none;width:100%;height:100%;display:block}.plan-canvas__svg--draw{cursor:crosshair}.plan-canvas__svg--pan{cursor:grab}.plan-canvas__svg--pan:active{cursor:grabbing}.plan-canvas__readout{font-variant-numeric:tabular-nums;color:var(--text-muted);border:1px solid var(--border);background:#ffffffd9;border-radius:6px;gap:14px;padding:4px 8px;font-size:12px;display:flex;position:absolute;bottom:10px;left:12px}.plan-grid line{stroke:#e6e8ec;stroke-width:1px}.plan-floor{fill:var(--floor);stroke:none}.plan-wall{stroke:var(--wall);stroke-width:2.5px;stroke-linecap:round}.plan-wall--selected{stroke:var(--accent);stroke-width:4px}.plan-wall--preview{stroke:var(--accent);stroke-width:2px;stroke-dasharray:6 4;opacity:.8}.plan-wall--guide{stroke:var(--text-muted);stroke-width:1.5px;stroke-dasharray:4 4}.plan-wall__hit{stroke:#0000;cursor:pointer}.plan-canvas__svg :focus,.plan-canvas__svg :focus-visible{outline:none}.plan-wall__hit:focus-visible,.plan-opening line.plan-opening__hit:focus-visible{stroke:#2f6fd04d}.plan-vertex:focus-visible{fill:var(--accent-soft);stroke:var(--accent);stroke-width:4px}.plan-dimensions text{fill:var(--text-muted);stroke:var(--canvas-bg);font-variant-numeric:tabular-nums;pointer-events:none}.plan-opening line,.plan-opening path{fill:none;stroke:var(--wall);stroke-width:1.5px}.plan-opening--selected line,.plan-opening--selected path{stroke:var(--accent);stroke-width:2.5px}.plan-opening__leaf{stroke-width:2px}.plan-opening__swing{stroke-dasharray:4 3;opacity:.75}.plan-opening line.plan-opening__hit{stroke:#0000;cursor:pointer}.plan-object__body{fill:#8d7f6a59;stroke:#8d7f6a;stroke-width:1.5px;cursor:grab}.plan-object--selected .plan-object__body{fill:#2f6fd038;stroke:var(--accent);stroke-width:2.5px}.plan-object__front{stroke:#8d7f6a;stroke-width:1.5px;pointer-events:none}.plan-object--selected .plan-object__front{stroke:var(--accent)}.plan-object__body:focus-visible{stroke:var(--accent);stroke-width:3px}.plan-wall-origin circle,.plan-wall-origin polygon{fill:var(--accent);stroke:none}.plan-wall-origin line{stroke:var(--accent);stroke-width:1.5px}.plan-wall-origin text{fill:var(--accent);stroke:var(--canvas-bg);pointer-events:none;font-weight:600}.plan-vertex{fill:var(--surface);stroke:var(--wall);stroke-width:2px;cursor:grab}.plan-vertex--selected{fill:var(--accent);stroke:var(--accent)}.app__body--split{grid-template-columns:1fr 1fr 320px}.scene{border-left:1px solid var(--border);background:#eef0f3;grid-template-rows:auto 1fr;min-width:0;min-height:0;display:grid;position:relative}.scene--loading{color:var(--text-muted);place-items:center;font-size:13px;display:grid}.scene__toolbar{background:var(--surface);border-bottom:1px solid var(--border);align-items:center;gap:10px;padding:6px 10px;display:flex}.scene__toolbar button{padding:4px 9px;font-size:12px}.scene canvas{touch-action:none;display:block}.scene__notice{background:var(--danger-soft);border:1px solid var(--danger);border-radius:8px;padding:12px 14px;position:absolute;bottom:16px;left:16px;right:16px}.scene__notice h3{color:var(--danger);margin:0 0 6px;font-size:13px;font-weight:600}.scene__notice ul{color:var(--danger);margin:0;padding-left:18px;font-size:12px;line-height:1.45}.panel{background:var(--surface);border-left:1px solid var(--border);min-height:0;overflow-y:auto}.panel__section{border-bottom:1px solid var(--border);padding:14px 16px}.panel__section h3{text-transform:uppercase;letter-spacing:.04em;color:var(--text-muted);margin:0 0 10px;font-size:12px;font-weight:600}.panel__section--error{background:var(--danger-soft)}.panel__section--error h3{color:var(--danger)}.panel__section--error ul{color:var(--danger);margin:0;padding-left:18px;font-size:13px}.panel__data{grid-template-columns:auto 1fr;gap:4px 12px;margin:0 0 10px;font-size:13px;display:grid}.panel__data dt{color:var(--text-muted)}.panel__data dd{font-variant-numeric:tabular-nums;margin:0}.panel__note{color:var(--text-muted);margin:8px 0 0;font-size:12px;line-height:1.45}.panel__changes{background:var(--accent-soft);border-radius:6px;margin-top:10px;padding:8px 10px}.panel__changes h4{margin:0 0 6px;font-size:12px;font-weight:600}.panel__changes ul{font-variant-numeric:tabular-nums;margin:0;padding-left:18px;font-size:12px}.panel__subtitle{color:var(--text);margin:14px 0 8px;font-size:12px;font-weight:600}.panel__list{margin:8px 0 0;padding:0;list-style:none}.panel__list-item{text-align:left;width:100%;margin-bottom:4px;padding:6px 8px;font-size:12px}.panel__draft{background:var(--accent-soft);border-radius:8px;margin:8px 0;padding:10px 12px}.panel__draft .panel__subtitle{margin-top:0}.panel__draft-issues{background:var(--danger-soft);border-radius:6px;margin-top:8px;padding:8px 10px}.panel__draft-issues ul{color:var(--danger);margin:0;padding-left:18px;font-size:12px;line-height:1.45}.panel__actions{gap:6px;margin-top:10px;display:flex}.field{margin-bottom:10px}.field__label{color:var(--text-muted);margin-bottom:4px;font-size:12px;display:block}.field__control{align-items:center;gap:6px;display:flex}.field__control input,.field__control select{min-width:0;font:inherit;font-variant-numeric:tabular-nums;border:1px solid var(--border);border-radius:6px;flex:1;padding:6px 8px;font-size:13px}.field__control input:focus,.field__control select:focus{border-color:var(--accent);outline:2px solid var(--accent-soft)}.field__unit{color:var(--text-muted);font-size:12px}.field--error .field__control input{border-color:var(--danger)}.field__error{color:var(--danger);margin:4px 0 0;font-size:12px}.field__hint{color:var(--accent);margin:4px 0 0;font-size:12px;line-height:1.4}.checkbox{align-items:center;gap:8px;margin-bottom:10px;font-size:13px;display:flex}.app--loading{color:var(--text-muted);place-items:center;font-size:14px;display:grid}.app__header{justify-content:space-between;align-items:flex-start;gap:16px;display:flex}.projects-bar{flex-wrap:wrap;align-items:center;gap:6px;display:flex}.visually-hidden{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.save-status{border-radius:6px;align-items:center;gap:8px;margin-left:6px;padding:4px 10px;font-size:12px;display:flex}.save-status--quiet,.save-status--busy{color:var(--text-muted);background:var(--surface-muted)}.save-status--ok{color:var(--accent);background:var(--accent-soft)}.save-status--alert{color:var(--danger);background:var(--danger-soft)}.save-status__action{padding:2px 8px;font-size:12px}.storage-messages{background:var(--danger-soft);border-bottom:1px solid var(--border);justify-content:space-between;align-items:flex-start;gap:12px;padding:10px 20px;display:flex}.storage-messages ul{color:var(--danger);margin:0;padding-left:18px;font-size:13px;line-height:1.45}.modal{z-index:10;background:#1c1f2473;place-items:center;padding:24px;display:grid;position:fixed;inset:0}.modal__panel{background:var(--surface);border-radius:10px;width:min(720px,100%);max-height:100%;padding:18px 20px 20px;overflow:auto}.modal__header{justify-content:space-between;align-items:center;display:flex}.modal__header h2{margin:0;font-size:16px;font-weight:600}.modal__note{color:var(--text-muted);margin:10px 0 0;font-size:12px;line-height:1.5}.modal__empty{color:var(--text-muted);margin:16px 0;font-size:13px}.modal__actions{gap:6px;margin-top:16px;display:flex}.project-list{margin:14px 0 0;padding:0;list-style:none}.project-list__item{background:var(--surface-muted);border:1px solid #0000;border-radius:8px;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px;margin-bottom:6px;padding:10px 12px;display:flex}.project-list__item.is-current{border-color:var(--accent);background:var(--accent-soft)}.project-list__main{flex-direction:column;gap:2px;min-width:200px;display:flex}.project-list__main input{font:inherit;border:1px solid var(--accent);border-radius:6px;padding:5px 8px;font-size:13px}.project-list__name{font-size:13px;font-weight:600}.project-list__dates{color:var(--text-muted);font-size:12px}.project-list__actions,.project-list__confirm{align-items:center;gap:6px;display:flex}.project-list__confirm{color:var(--danger);flex-wrap:wrap;font-size:12px}.button--danger{color:var(--danger);border-color:var(--danger)}.app--page{grid-template-rows:auto auto 1fr;overflow:auto}.app__page-body{padding:24px 20px 48px;overflow:auto}.account-nav{align-items:center;gap:16px;font-size:13px;display:flex}.account-nav__note{color:var(--text-muted)}.page{max-width:560px;margin:0 auto}.page--wide{max-width:820px}.page h1{margin:0 0 8px;font-size:20px;font-weight:600}.page h2{margin:28px 0 8px;font-size:15px;font-weight:600}.page__note{color:var(--text-muted);margin:8px 0 16px;font-size:13px;line-height:1.55}.page__notice{color:var(--accent);background:var(--accent-soft);border-radius:8px;margin:12px 0 16px;padding:10px 12px;font-size:13px;line-height:1.5}.page__empty{color:var(--text-muted);padding:18px 0;font-size:13px}.page__form{margin:16px 0}.page__actions{flex-wrap:wrap;align-items:center;gap:8px;margin:16px 0;display:flex}.page__danger{color:var(--danger);background:var(--danger-soft);border-radius:8px;margin-top:12px;padding:12px 14px;font-size:13px;line-height:1.5}.button-link{color:var(--text);background:var(--surface);border:1px solid var(--border);border-radius:6px;padding:6px 12px;font-size:13px;text-decoration:none}.button-link:hover{border-color:var(--accent)}.link-button{font-size:inherit;color:var(--accent);background:0 0;border:none;padding:0;text-decoration:underline}.storage-messages__rescued{color:var(--danger);margin:6px 0 0;font-size:13px;line-height:1.45}.storage-messages__actions{flex-shrink:0;gap:6px;display:flex}.pending-work{margin-top:8px}.pending-work__intro{color:var(--danger);margin:0 0 6px;font-size:13px;line-height:1.45}.pending-work__list{margin:0;padding:0;list-style:none}.pending-work__item{color:var(--text);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px;padding:6px 0;font-size:13px;display:flex}.pending-work__actions{flex-shrink:0;gap:6px;display:flex}.pending-work__actions button{padding:3px 9px;font-size:12px}.statusbar__item--storage{color:var(--text-muted);margin-left:auto}