:root{--twb-bg: #f7f7f5;--twb-panel: #ffffff;--twb-line: #dcd7c9;--twb-line-strong: #b9b9b1;--twb-ink: #2c3639;--twb-muted: #6a7172;--twb-accent: #3f4e4f;--twb-accent-strong: #2c3639;--twb-accent-soft: #e7ebeb;--twb-accent-on-ink: #9fb1b2;--twb-ok: #6a7172;--twb-ok-soft: #e9eaea;--twb-warn: #a27b5c;--twb-warn-soft: #ffead8;--twb-bad: #8c5e54;--twb-bad-soft: #eee7e5;--twb-font: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--twb-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;--twb-logo-font: "Helvetica Neue", Helvetica, Arial, "Liberation Sans", sans-serif;--twb-text: 13px;--twb-text-small: 11px;--twb-control: 28px;--twb-radius: 4px;--twb-radius-lg: 6px;--sk-text: var(--twb-ink);--sk-muted: var(--twb-muted);--sk-panel: var(--twb-panel);--sk-border: var(--twb-line);--sk-border-strong: var(--twb-line-strong);--sk-accent: var(--twb-accent);--sk-accent-soft: var(--twb-accent-soft);--sk-radius: var(--twb-radius);--sk-control: var(--twb-control)}:root{--fm-hover: #2f80ed;--sk-plan-hover: var(--fm-hover);--sk-plan-selection: var(--twb-accent)}*{box-sizing:border-box}html,body{margin:0;height:100%;background:var(--twb-bg);color:var(--twb-ink);font:var(--twb-text) / 1.4 var(--twb-font)}#app{display:grid;grid-template:"top" auto "plan" 1fr "status" auto / 1fr;height:100vh}button{font:inherit;color:inherit}h2{margin:12px 0 6px;font-size:var(--twb-text-small);font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--twb-muted)}.fm-top{grid-area:top;display:flex;align-items:center;gap:8px;padding:6px 12px;background:var(--twb-panel);border-bottom:1px solid var(--twb-line)}.fm-mark{font:700 15px var(--twb-logo-font);letter-spacing:.02em}.fm-mark b{color:var(--twb-accent)}.fm-app{font-weight:400;margin-left:2px}.fm-file{color:var(--twb-muted);margin-left:12px}.fm-spacer{flex:1}.fm-btn{height:var(--twb-control);padding:0 10px;border:1px solid var(--twb-line-strong);border-radius:var(--twb-radius);background:var(--twb-panel);cursor:pointer}.fm-btn:hover{border-color:var(--twb-accent)}.fm-search,.fm-changes-anchor{position:relative}.fm-search{margin-left:12px}.fm-search input[type=search]{width:220px;height:var(--twb-control);padding:0 8px;border:1px solid var(--twb-line-strong);border-radius:var(--twb-radius);font:inherit}.fm-popover{position:absolute;top:calc(100% + 6px);z-index:10;width:320px;max-height:60vh;overflow:auto;padding:6px;background:var(--twb-panel);border:1px solid var(--twb-line);border-radius:var(--twb-radius-lg);box-shadow:0 4px 16px #0000001f}.fm-search .fm-popover{left:0}.fm-changes{right:0}.fm-popover[hidden]{display:none}.fm-list{display:flex;flex-direction:column;gap:1px}.fm-row{display:flex;align-items:center;gap:6px;width:100%;padding:4px 6px;border:0;border-radius:var(--twb-radius);background:none;text-align:left;cursor:pointer}.fm-row:hover{background:var(--twb-accent-soft)}.fm-row[aria-current=true]{background:var(--twb-accent-soft);font-weight:600}.fm-row .fm-meta{margin-left:auto;color:var(--twb-muted);font-size:var(--twb-text-small);white-space:nowrap}.fm-row .fm-title{flex:1;min-width:0}.fm-row .fm-revert{border:1px solid var(--twb-line);border-radius:var(--twb-radius);background:var(--twb-panel);font-size:var(--twb-text-small);padding:1px 6px;cursor:pointer}.fm-group{margin:10px 0 2px;font-size:var(--twb-text-small);color:var(--twb-muted)}.fm-none{color:var(--twb-muted);padding:4px 6px}.fm-plan{grid-area:plan;position:relative;min-width:0;min-height:0}.fm-plan-host,.fm-3d-host{position:absolute;top:0;right:0;bottom:0;left:0;background:var(--twb-bg)}.fm-3d-host[hidden]{display:none}.fm-rail{position:absolute;top:50%;left:12px;transform:translateY(-50%);z-index:2}.fm-tool-options{position:absolute;top:10px;left:12px;z-index:2;padding:4px 8px;background:var(--twb-panel);border:1px solid var(--twb-line);border-radius:var(--twb-radius-lg)}.fm-rail[hidden],.fm-tool-options[hidden]{display:none}.fm-empty{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--twb-muted);z-index:1}.fm-empty[hidden],.fm-inspector[hidden]{display:none}.fm-navbar{position:absolute;bottom:12px;left:50%;transform:translate(-50%);z-index:2;display:flex}.fm-navbar[hidden]{display:none}.fm-corner{position:absolute;top:12px;right:12px;bottom:12px;z-index:3;display:flex;flex-direction:column;align-items:flex-end;gap:8px;pointer-events:none}.fm-corner>*{pointer-events:auto}.fm-room-panel{min-height:0;max-height:100%}.fm-room-panel[hidden]{display:none}.fm-inspector{position:absolute;right:10px;bottom:10px;z-index:2;min-width:240px;padding:10px 12px;background:var(--twb-panel);border:1px solid var(--twb-line);border-radius:var(--twb-radius-lg)}.fm-inspector label{display:flex;align-items:center;gap:6px;margin-top:6px}.fm-inspector input{width:90px;height:var(--twb-control);padding:0 6px;border:1px solid var(--twb-line-strong);border-radius:var(--twb-radius);font:inherit;font-family:var(--twb-mono)}.fm-status{grid-area:status;padding:4px 12px;background:var(--twb-panel);border-top:1px solid var(--twb-line);color:var(--twb-muted);font-size:var(--twb-text-small);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.fm-plan-host{overflow:hidden;--sk-dim-ink: var(--twb-accent);--sk-dim-surface: var(--twb-panel);--sk-dim-text: var(--twb-ink);--sk-dim-muted: var(--twb-muted);--sk-dim-danger: var(--twb-bad)}