html,body{background:#101815;margin:0}.fs-app{--bg:#101815;--view:#141d18;--panel:#18211c;--panel-2:#202b25;--line:#34423a;--ivory:#efe8d8;--ivory-dim:#b7b09e;--amber:#e2a447;--amber-ink:#1c1408;--green:#86c27e;--danger:#e48a6f;--danger-bg:#2b1d17;--sans:ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--mono:ui-monospace, "SF Mono", Menlo, Consolas, monospace;--gutter:12px;--radius:8px;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;box-sizing:border-box;background:var(--bg);min-height:100dvh;color:var(--ivory);font:15px/1.45 var(--sans);-webkit-text-size-adjust:100%;flex-direction:column;display:flex}.fs-app *,.fs-app :before,.fs-app :after{box-sizing:inherit}.fs-app [hidden]{display:none!important}.fs-app p,.fs-app h1,.fs-app h2,.fs-app dl,.fs-app 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var(--amber)}.fs-tabs{scrollbar-width:thin;flex:100%;order:3;gap:4px;min-width:0;display:flex;overflow-x:auto}.fs-tab{color:var(--ivory-dim);cursor:pointer;white-space:nowrap;background:0 0;border:1px solid #0000;flex:none;align-items:center;gap:8px;padding:0 12px;display:inline-flex}.fs-tab:hover{color:var(--ivory)}.fs-tab[aria-selected=true]{color:var(--ivory);background:var(--panel-2);border-color:var(--line);box-shadow:inset 0 -2px 0 var(--amber)}.fs-tab-num{font-family:var(--mono);color:var(--amber);font-size:12px}.fs-tab-title{font-size:14px;font-weight:600}.fs-tab-meta{font-family:var(--mono);color:var(--ivory-dim);font-size:12px}.fs-tab-meta:empty{display:none}.fs-alert{margin:8px var(--gutter) 0;border:1px solid var(--danger);border-radius:var(--radius);background:var(--danger-bg);align-items:center;gap:12px;padding:6px 6px 6px 12px;display:flex}.fs-alert-text{flex:1;font-size:14px}.fs-stage{padding:0 var(--gutter) var(--gutter);flex-direction:column;flex:1 0 auto;gap:10px;display:flex;position:relative}.fs-view{height:52svh;min-height:260px;margin:0 calc(-1 * var(--gutter));background:var(--view);position:relative;overflow:hidden}.fs-viewport{position:absolute;inset:0}.fs-viewport>canvas{width:100%;height:100%;display:block}.fs-panel{z-index:1;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);padding:12px;position:relative}.fs-readout{width:152px;padding:8px 10px;font-size:13px;position:absolute;top:8px;right:8px}.fs-phase{font-family:var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--ivory-dim);font-size:11px}[data-phase=practising] .fs-phase,[data-phase=demo] .fs-phase{color:var(--amber)}[data-phase=success] .fs-phase{color:var(--green)}.fs-readings{grid-template-columns:1fr auto;gap:2px 8px;margin-top:4px;display:grid}.fs-readings dt{color:var(--ivory-dim)}.fs-readings dd{text-align:right}.fs-error-value{color:var(--amber)}.fs-holding .fs-error-value,[data-phase=success] 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(pointer:fine){.fs-touch{opacity:.55;width:96px;height:96px;transition:opacity .12s}.fs-touch:hover,.fs-touch-active{opacity:1}}.fs-eyebrow{font-family:var(--mono);color:var(--ivory-dim);font-size:12px}.fs-title{margin-top:2px;font-size:18px;font-weight:650;line-height:1.25}.fs-instruction{margin-top:6px}.fs-target{color:var(--amber);align-items:baseline;gap:8px;margin-top:8px;font-size:14px;font-weight:600;display:flex}.fs-target:before{content:"";border:2px solid var(--amber);flex:none;width:8px;height:8px;transform:rotate(45deg)translateY(-1px)}.fs-field{flex-direction:column;gap:4px;display:flex}.fs-field>label{color:var(--ivory-dim);font-size:13px}.fs-orient,.fs-course>.fs-fieldset{margin-top:10px}.fs-builder{border-top:1px solid var(--line);flex-direction:column;gap:8px;margin-top:8px;padding-top:8px;display:flex}.fs-builder .fs-segments{gap:0 14px}.fs-touch-note{margin:10px 0 0;display:none}@media 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input{width:100%;height:44px;margin:0}.fs-camera-reset{margin-top:8px}.fs-help{color:var(--ivory-dim);margin-bottom:8px;font-size:13px}.fs-keys{flex-direction:column;gap:4px;display:flex}.fs-key-row{grid-template-columns:1fr auto auto;align-items:center;gap:8px;display:grid}.fs-key-name{font-size:14px}.fs-kbd{border:1px solid var(--line);background:var(--panel-2);min-width:3.5ch;font-family:var(--mono);text-align:center;border-radius:4px;padding:2px 8px;font-size:13px}.fs-kbd-clash{border-color:var(--danger);color:var(--danger)}.fs-listening{border-color:var(--amber)}.fs-fieldset .fs-field+.fs-field{margin-top:8px}.fs-scope{padding:10px var(--gutter);border-top:1px solid var(--line);color:var(--ivory-dim);font-size:12px}@media (width>=760px) and (height>=520px){.fs-bar{flex-wrap:nowrap}.fs-modes{flex:none;order:0}.fs-tabs{flex:auto;order:0;justify-content:center}.fs-stage{padding:var(--gutter);grid-template-rows:auto auto 1fr auto;grid-template-columns:minmax(0,300px) minmax(0,1fr) 120px;gap:12px;min-height:520px;display:grid}.fs-view{height:auto;min-height:0;margin:0;position:absolute;inset:0}.fs-readout{width:176px;top:12px;right:12px}.fs-lesson{grid-area:1/1;align-self:start}.fs-stats{grid-area:2/1;align-self:start;padding:10px 12px}.fs-stats .fs-stat-list{grid-template-columns:1fr 1fr}.fs-sticks{grid-area:4/1;align-self:end}.fs-control{grid-area:4/2;place-self:end center;width:100%;max-width:520px}.fs-drawer{overscroll-behavior:contain;border-width:0 0 0 1px;border-radius:0;width:min(380px,100%);margin:0;position:absolute;top:0;bottom:0;right:0;overflow-y:auto}}@media (prefers-reduced-motion:reduce){.fs-app *,.fs-app :before,.fs-app :after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}