:root{--sans:system-ui, "Segoe UI", Roboto, sans-serif;--mono:ui-monospace, Consolas, monospace;--space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-5:20px;--space-6:24px;--space-7:32px;--space-8:40px;--space-9:48px;--space-10:64px;--space-12:80px;--radius-sm:10px;--radius-md:14px;--radius-lg:18px;--radius-xl:24px;--radius:18px;--radius-pill:999px;--stroke:2px;--tap:44px;--ease:cubic-bezier(.22, 1, .36, 1);--t:.16s;--z-bar:30;--z-overlay:40;--text:#405066;--text-h:#0e1628;--bg:#eef4fb;--muted:#f5f9fd;--card:#fff;--border:#c9d9ea;--code-bg:#101828;--code-fg:#e2e8f0;--on:#fff;--overlay:#0e16287a;--focus:var(--blocks);--accent:#ff6b3d;--octopus:#0f9d94;--octopus-soft:#d8f5f1;--board:#ff6b3d;--board-soft:#ffe7d8;--blocks:#5b6cff;--blocks-soft:#e4e8ff;--write:#3f3a36;--write-soft:#f3efe9;--learn:#1f6f8b;--learn-soft:#d7eef5;--repeat:#7a3d8f;--repeat-soft:#f1e6f6;--flow:var(--blocks);--sense:var(--octopus);--do:var(--board);--wait:#64748b;--warn:#c2410c;--warn-soft:#ffedd5;--ok:#15803d;--ok-soft:#dcfce7;--glow-octopus:#cfefff;--glow-board:#ffd9b8;--glow-blocks:#d7dcff;--shadow:0 8px 24px #0e16280f;--shadow-lg:0 16px 40px #0e16281a;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;font:16px/1.5 var(--sans);letter-spacing:-.011em;color:var(--text);background:var(--bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial;--text:#b7c4d4;--text-h:#f4f7fb;--bg:#0b1017;--muted:#121925;--card:#151c28;--border:#2c394c;--code-bg:#0a0f16;--overlay:#0203089e;--accent:#fb923c;--octopus:#2dd4bf;--octopus-soft:#193940;--board:#fb923c;--board-soft:#3a2f2b;--blocks:#818cf8;--blocks-soft:#262e49;--write:#c4b8a8;--write-soft:#2e323a;--learn:#38bdf8;--learn-soft:#1b3649;--repeat:#d8a6e8;--repeat-soft:#343247;--wait:#94a3b8;--warn:#fb923c;--warn-soft:#3a2f2b;--ok:#4ade80;--ok-soft:#1d3b36;--glow-octopus:#2dd4bf47;--glow-board:#fb923c38;--glow-blocks:#818cf833;--shadow:0 10px 28px #00000052;--shadow-lg:0 18px 44px #0000006b}}*{box-sizing:border-box}body{background:radial-gradient(920px 540px at 6% -10%, var(--glow-octopus) 0%, transparent 58%), radial-gradient(780px 480px at 108% -4%, var(--glow-board) 0%, transparent 52%), radial-gradient(640px 420px at 72% 112%, var(--glow-blocks) 0%, transparent 58%), var(--bg);min-height:100dvh;margin:0}h1,h2,h3{color:var(--text-h);margin:0;font-weight:800}h1{letter-spacing:-.04em;font-size:32px;line-height:1.15}h2{letter-spacing:-.03em;font-size:22px;line-height:1.2}h3{margin-bottom:var(--space-2);letter-spacing:-.02em;font-size:15px;font-weight:700}#app{min-height:100dvh}:focus-visible{outline:3px solid var(--focus);outline-offset:2px}.pill{border-radius:var(--radius-pill);border:var(--stroke) solid var(--border);background:var(--card);padding:6px 10px;font-size:12px;font-weight:700}.pill.on{color:var(--ok);border-color:var(--ok);background:var(--ok-soft)}.pill.off{opacity:.78}button,input,select{font:inherit;color:var(--text-h);background:var(--card);border:var(--stroke) solid var(--border);border-radius:var(--radius-sm);min-height:var(--tap);padding:10px 14px}button{cursor:pointer;transition:border-color var(--t) var(--ease), background-color var(--t) var(--ease), color var(--t) var(--ease), filter var(--t) var(--ease);font-weight:700}button:hover{border-color:color-mix(in srgb, var(--text-h) 22%, var(--border))}button:disabled{opacity:.5;cursor:not-allowed}#connect,.btn-board{background:var(--board);color:var(--on);border-color:#0000}#eeg-connect,.btn-octopus{background:var(--octopus);color:var(--on);border-color:#0000}.cb-primary,.btn-blocks{background:var(--blocks);color:var(--on);border-color:#0000}#connect:hover,.btn-board:hover,#eeg-connect:hover,.btn-octopus:hover,.cb-primary:hover,.btn-blocks:hover{filter:brightness(1.06);border-color:#0000}button:disabled:hover{filter:none}.hint{border-radius:var(--radius-md);background:var(--card);border:var(--stroke) solid var(--border);margin:0;padding:10px 14px}.hint:empty{display:none}.nudge{padding:14px var(--space-4);border-radius:var(--radius-md);background:var(--warn-soft);border:var(--stroke) solid color-mix(in srgb, var(--warn) 55%, var(--border));color:var(--text-h);margin:0;font-weight:700}.nudge 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a{white-space:nowrap;min-height:36px;color:var(--text-h);border-radius:var(--radius-pill);border:var(--stroke) solid transparent;transition:background-color var(--t) var(--ease), border-color var(--t) var(--ease), color var(--t) var(--ease);align-items:center;gap:8px;padding:6px 12px;font-size:14px;font-weight:700;text-decoration:none;display:inline-flex}.nav a:hover{background:var(--card);border-color:var(--border)}.nav a.on,.nav a.on:hover{background:var(--text-h);color:var(--card);border-color:var(--text-h)}.nav-n{border-radius:var(--radius-pill);border:var(--stroke) solid color-mix(in srgb, var(--blocks) 36%, var(--border));background:var(--card);width:22px;height:22px;color:var(--blocks);place-items:center;font-size:12px;font-weight:800;display:grid}.nav a.on .nav-n{background:var(--card);border-color:var(--card);color:var(--text-h)}.nav-flow-sep{background:color-mix(in srgb, var(--blocks) 32%, var(--border));border-radius:1px;flex:none;width:10px;height:2px}.app-bar-end{justify-content:flex-end;align-items:center;gap:var(--space-2);flex-wrap:wrap;margin-left:auto;display:flex}.get-yours{min-height:var(--tap);padding:var(--space-2) 14px;border-radius:var(--radius-pill);border:var(--stroke) solid var(--board);color:var(--board);background:var(--card);transition:background-color var(--t) var(--ease), color var(--t) var(--ease), border-color var(--t) var(--ease);align-items:center;font-size:15px;font-weight:800;text-decoration:none;display:inline-flex}.get-yours:hover{background:var(--board);color:var(--on)}@media (width<=860px){.app-bar{padding:10px 14px}.nav-toggle{display:inline-flex}.nav{border:var(--stroke) solid var(--border);border-radius:var(--radius-lg);background:var(--card);box-shadow:var(--shadow-lg);flex-direction:column;align-items:stretch;gap:8px;padding:10px;display:none;position:absolute;top:calc(100% + 8px);left:12px;right:12px}.app-bar.menu-open .nav{display:flex}.nav-kicker{display:block}.nav-pages,.nav-flow{border-radius:var(--radius-md);flex-direction:column;align-items:stretch;gap:2px;padding:6px}.nav-flow{position:static;top:auto;left:auto;transform:none}.nav-flow-sep{display:none}.nav a{min-height:var(--tap);justify-content:flex-start}}@media (prefers-reduced-motion:reduce){.nav a,.nav-toggle,.get-yours{transition:none}}.devices{padding:8px var(--space-5);border-bottom:var(--stroke) solid var(--border);background:color-mix(in srgb, var(--muted) 78%, var(--card));grid-template-columns:1fr 1fr;gap:8px;display:grid}.device{border:var(--stroke) solid var(--border);border-radius:var(--radius-md);background:var(--card);border-left-width:4px;grid-template-columns:minmax(0,1fr) auto;grid-template-areas:"id go""state go""hint hint";align-items:center;gap:2px 12px;min-width:0;padding:10px 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var(--border))}.device-hint{color:var(--warn);grid-area:hint;margin:4px 0 0;font-size:13px;font-weight:700}.device-hint:empty{display:none}@media (width<=720px){.devices{grid-template-columns:1fr;padding:8px 12px}}#app.view-dash{flex-direction:column;min-height:100dvh;display:flex}.dash{width:min(1080px,100%);padding:var(--space-6) var(--space-5) var(--space-12);gap:var(--space-7);flex-direction:column;margin:0 auto;display:flex}.page-lead-row{justify-content:space-between;align-items:center;gap:var(--space-3);margin-bottom:var(--space-2);flex-wrap:wrap;display:flex}.page-lead h1{font-size:clamp(28px,4vw,40px)}.dash h2{margin:0 0 var(--space-1)}.page-lead p,.sec-note{margin:0 0 var(--space-3)}.sense-group{padding:var(--space-1) 0 var(--space-2)}.sense-group.tone-octopus h2{color:var(--octopus)}.sense-group.tone-board 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auto;display:grid}input[type=range]{width:100%;min-height:0;accent-color:var(--board);padding:0}.btn-go{background:var(--ok);color:var(--on);border-color:#0000}.btn-go:hover{filter:brightness(1.06);border-color:#0000}.log{background:var(--code-bg);height:220px;color:var(--code-fg);border-radius:var(--radius-md);padding:var(--space-3) 14px;font:12px/1.5 var(--mono);margin:0;overflow:auto}@media (width<=640px){.lcd{grid-template-columns:1fr}}.traces h2{margin:0 0 var(--space-1)}.trace-grid{gap:var(--space-3);grid-template-columns:repeat(2,minmax(0,1fr));display:grid}.trace-card{background:var(--card);border:var(--stroke) solid var(--border);border-radius:var(--radius);padding:var(--space-4);box-shadow:var(--shadow);gap:var(--space-2);flex-direction:column;min-width:0;display:flex}.trace-card.warn{border-color:var(--warn)}.trace-head{justify-content:space-between;align-items:baseline;gap:var(--space-3);display:flex}.trace-head 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auto;display:flex}.home-hero{text-align:center;flex-direction:column;align-items:center;display:flex}.home-hero h1{letter-spacing:-.03em;margin-bottom:var(--space-4);text-wrap:balance;max-width:25ch;font-size:clamp(32px,5.2vw,56px);line-height:1.12}.home-hero>p{margin:0 0 var(--space-6);max-width:40rem;font-size:20px}.home-kicker{margin:0 0 var(--space-2);letter-spacing:.08em;text-transform:uppercase;color:var(--board);font-size:12px;font-weight:800}.home-sec>.home-kicker{text-align:center;width:100%}.home-sec>h2{text-align:center}.home-cta-row{gap:var(--space-3);flex-wrap:wrap;justify-content:center;display:flex}.home-cta{min-height:var(--tap);border-radius:var(--radius-sm);background:var(--board);color:var(--on);border:var(--stroke) solid transparent;transition:filter var(--t) var(--ease);align-items:center;padding:10px 18px;font-weight:800;text-decoration:none;display:inline-flex}.home-cta:hover{filter:brightness(1.06)}.home-cta.ghost{background:var(--card);color:var(--text-h);border-color:var(--border)}.home-cta.ghost:hover{filter:none;border-color:var(--text-h)}.home-pills{gap:var(--space-2);margin:var(--space-5) 0 0;flex-wrap:wrap;justify-content:center;padding:0;list-style:none;display:flex}.home-pills li{border-radius:var(--radius-pill);border:var(--stroke) solid var(--border);background:var(--card);color:var(--text-h);padding:6px 12px;font-size:13px;font-weight:700}.home-sec h2,.home-split h2{margin-bottom:var(--space-3)}.home-lead{margin:0 auto var(--space-6);text-align:center;max-width:42rem}.home-sub{margin:var(--space-5) 0 var(--space-3);letter-spacing:.06em;text-transform:uppercase;color:var(--text);font-size:13px;font-weight:800}.home-stage{--stage:#0c0d10;--panel:#111114;--line:#ffffff1a;color:#f4f4f5;background:radial-gradient(42% 62% at 12% 48%, color-mix(in srgb, var(--octopus) 16%, transparent), transparent 72%), radial-gradient(38% 56% at 88% 54%, color-mix(in srgb, var(--board) 14%, transparent), transparent 72%), radial-gradient(28% 40% at 50% 38%, color-mix(in srgb, var(--blocks) 12%, transparent), transparent 70%), var(--stage);border:1px solid var(--line);border-radius:24px;overflow:hidden}.home-stage-bar{border:1px solid var(--line);background:#ffffff0a;border-radius:12px;gap:4px;margin:16px 18px 0;padding:4px;display:inline-flex}.home-stage-bar button{color:#a1a1aa;background:0 0;border:0;border-radius:9px;min-height:36px;padding:6px 14px;font-weight:700}.home-stage-bar 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var(--ease)}.scene-read{color:#5eead4}.scene-do{color:#ffb199}.scene-node:not(.is-on){opacity:.32}.scene-and{opacity:0;pointer-events:none;transition:opacity .28s var(--ease)}.scene-and.is-on{opacity:1;pointer-events:auto}.scene-and.is-on .scene-card{stroke:#818cf8}.scene-node.is-on .scene-card{stroke-opacity:1}.scene-read.is-on .scene-card{stroke:#2dd4bf}.scene-do.is-on .scene-card{stroke:#ff6b3d}.scene-node:hover .scene-card{stroke:#f4f4f5}.scene-meter-track{fill:#ffffff14}.scene-meter-fill{fill:#2dd4bf}.scene-wire{fill:none;stroke-width:2px;stroke-linecap:round;opacity:.14;transition:opacity .28s var(--ease)}.scene-wire.is-on{opacity:.45}.scene-wire-flow{fill:none;stroke-width:3.4px;stroke-linecap:round;opacity:0;filter:url(#hm-glow)}.scene-wire-flow.is-on{opacity:1}.scene-packet{opacity:0;pointer-events:none;filter:url(#hm-glow)}.scene-packet.is-on{opacity:1}.scene-lamp{fill:#ff6b3d;opacity:.28}.blk-svg{stroke:none}.blk-svg-flow{fill:#5b6cff}.blk-svg-sense{fill:#0f9d94}.blk-svg-do{fill:#ff6b3d}.blk-svg-wait{fill:#64748b}.blk-svg-txt{fill:#fff;font-size:13px;font-weight:800;font-family:var(--sans)}.home-stage-note{color:#a1a1aa;max-width:54rem;margin:0;padding:0 18px 18px;font-size:14px}.home-tiles,.home-mix{gap:var(--space-3);margin:0;padding:0;list-style:none;display:grid}.home-tiles{grid-template-columns:repeat(auto-fill,minmax(160px,1fr))}.home-tile,.home-mix-card,.home-studio-card{background:var(--card);border:var(--stroke) solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow)}.home-tile{column-gap:var(--space-2);grid-template-rows:auto auto;grid-template-columns:28px 1fr;row-gap:2px;padding:12px;display:grid}.home-tile .home-ic{grid-row:1/span 2;align-self:center}.home-tile strong{color:var(--text-h);font-size:14px}.home-tile span{grid-column:2;font-size:12px}.home-tile.tone-octopus{color:var(--octopus);border-color:color-mix(in srgb, var(--octopus) 40%, var(--border))}.home-tile.tone-board{color:var(--board);border-color:color-mix(in srgb, var(--board) 40%, var(--border))}.home-tile.tone-octopus strong,.home-tile.tone-board strong{color:var(--text-h)}.home-tile.tone-octopus span,.home-tile.tone-board span{color:var(--text)}.home-mix{grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}.home-mix-card{gap:var(--space-2);padding:var(--space-4);flex-direction:column;display:flex}.home-mix-card strong{color:var(--text-h);font-size:16px}.home-mix-card>span{font-size:13px}.home-mix-row{align-items:center;gap:var(--space-2);display:flex}.home-mix-row .tone-octopus{color:var(--octopus)}.home-mix-row .tone-board{color:var(--board)}.home-mix-row .home-ic:nth-child(2){color:var(--text);width:20px;height:20px}.home-mix-row em{letter-spacing:.06em;text-transform:uppercase;color:var(--blocks);background:var(--blocks-soft);border-radius:var(--radius-pill);margin-left:auto;padding:4px 8px;font-size:11px;font-style:normal;font-weight:800}.home-studio{gap:var(--space-5);grid-template-columns:repeat(auto-fit,minmax(220px,1fr));display:grid}.home-studio-card{gap:var(--space-3);padding:var(--space-6);color:var(--text);min-height:220px;transition:transform var(--t) var(--ease), box-shadow var(--t) var(--ease);flex-direction:column;text-decoration:none;display:flex}.home-studio-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px)}.home-studio-card h3{margin:0;font-size:24px}.home-studio-card p{margin:0}.home-studio-card.tone-board{border-color:color-mix(in srgb, var(--board) 55%, var(--border))}.home-studio-card.tone-blocks{border-color:color-mix(in srgb, var(--blocks) 55%, var(--border))}.home-studio-card.tone-write{border-color:color-mix(in srgb, var(--write) 45%, var(--border))}.home-studio-card.tone-learn{border-color:color-mix(in srgb, var(--learn) 50%, var(--border))}.home-studio-card.tone-repeat{border-color:color-mix(in srgb, var(--repeat) 50%, var(--border))}.home-write-sample{color:var(--text-h);margin-top:auto;font-family:Iowan Old Style,Palatino,Georgia,serif;font-size:18px;line-height:1.45}.home-n{border-radius:var(--radius-md);width:36px;height:36px;color:var(--on);place-items:center;font-size:16px;font-weight:800;display:grid}.tone-board .home-n{background:var(--board)}.tone-blocks .home-n{background:var(--blocks)}.tone-write .home-n{background:var(--write);color:var(--card)}.tone-learn .home-n{background:var(--learn)}.tone-repeat .home-n{background:var(--repeat)}.home-stack{flex-direction:column;align-items:flex-start;gap:6px;margin-top:auto;display:flex}.blk{color:var(--on);border-radius:8px;padding:6px 10px;font-size:12px;font-weight:800;display:inline-flex}.blk.flow{background:var(--flow);margin-left:0}.blk.sense{background:var(--sense);margin-left:16px}.blk.do{background:var(--do);margin-left:32px}.blk.wait{background:var(--wait);margin-left:16px}.home-split{gap:var(--space-7);grid-template-columns:1fr 1fr;display:grid}.home-split ul{padding-left:var(--space-5);gap:var(--space-2);margin:0;display:grid}.home-split li{font-size:15px}@media (width<=800px){.home-studio,.home-split{grid-template-columns:1fr}.home-hero h1{max-width:none}}@media (prefers-reduced-motion:reduce){.home-cta,.home-studio-card,.home-studio-card:hover{transition:none;transform:none}}#app.view-setup{flex-direction:column;min-height:100dvh;display:flex}.setup{width:min(1080px,100%);padding:var(--space-7) var(--space-5) var(--space-12);gap:var(--space-7);flex-direction:column;margin:0 auto;display:flex}.setup-hero h1{margin-bottom:var(--space-3);font-size:clamp(32px,5vw,48px)}.setup-hero p{max-width:46rem;margin:0;font-size:18px}.setup-need{margin:0;font-size:14px}.setup-steps{gap:var(--space-5);grid-template-columns:1fr 1fr;margin:0;padding:0;list-style:none;display:grid}.setup-card{background:var(--card);border:var(--stroke) solid var(--border);border-radius:var(--radius-xl);padding:var(--space-6);box-shadow:var(--shadow);gap:var(--space-3);flex-direction:column;min-height:100%;display:flex}.setup-card.tone-octopus{border-color:color-mix(in srgb, var(--octopus) 50%, var(--border))}.setup-card.tone-board{border-color:color-mix(in srgb, var(--board) 50%, var(--border))}.setup-card.is-on{border-color:var(--ok);box-shadow:0 0 0 4px color-mix(in srgb, var(--ok) 18%, transparent)}.setup-card-top{justify-content:space-between;align-items:start;gap:var(--space-3);display:flex}.step-num{width:var(--tap);height:var(--tap);border-radius:var(--radius-md);color:var(--on);flex:none;place-items:center;font-size:22px;font-weight:800;display:grid}.tone-octopus .step-num{background:var(--octopus)}.tone-board .step-num{background:var(--board)}.step-live{letter-spacing:.06em;text-transform:uppercase;color:var(--ok);background:var(--ok-soft);border-radius:var(--radius-pill);padding:6px 10px;font-size:12px;font-weight:800;display:none}.setup-card.is-on .step-live{display:inline-flex}.setup-card h2{text-transform:none;letter-spacing:-.03em;font-size:28px}.setup-lead{margin:0;font-size:16px}.setup-art{border-radius:var(--radius-lg);aspect-ratio:4/3;background:var(--muted);place-items:center;display:grid;overflow:hidden}.setup-art img{object-fit:cover;width:100%;height:100%;display:block}.tone-octopus .setup-art{background:var(--octopus-soft)}.tone-octopus .setup-art img{object-position:50% 35%}.tone-board .setup-art{background:color-mix(in srgb, var(--board-soft) 55%, var(--card))}.tone-board .setup-art img{object-fit:contain}.setup-how{padding-left:var(--space-5);gap:6px;margin:0;display:grid}.setup-how li{font-size:15px}.setup-how a{color:var(--board);font-weight:800}.setup-actions{align-items:center;gap:var(--space-3);flex-wrap:wrap;margin-top:auto;display:flex}.setup-err{min-height:1.2em;color:var(--warn);margin:0;font-size:13px}.setup-err:empty{display:none}.setup-limits{font-size:13px}.setup-limits summary{cursor:pointer;color:var(--text-h);font-weight:700}@media (width<=800px){.setup-steps{grid-template-columns:1fr}}#app.view-flash{flex-direction:column;min-height:100dvh;display:flex}.flash{width:min(1040px,100%);padding:var(--space-7) var(--space-5) var(--space-12);gap:var(--space-7);flex-direction:column;margin:0 auto;display:flex}.flash-kicker{margin:0 0 var(--space-2);letter-spacing:.08em;text-transform:uppercase;color:var(--board);font-size:12px;font-weight:800}.flash-hero h1{margin-bottom:var(--space-3);font-size:clamp(32px,5vw,48px)}.flash-hero p{max-width:46rem;margin:0;font-size:18px}.flash-need{margin:0;font-size:14px}.flash-need:empty{display:none}.flash-cards{gap:var(--space-5);grid-template-columns:1fr 1fr;margin:0;padding:0;list-style:none;display:grid}.flash-card{background:var(--card);border:var(--stroke) solid var(--border);border-radius:var(--radius-xl);padding:var(--space-6);box-shadow:var(--shadow);gap:var(--space-3);flex-direction:column;min-height:100%;display:flex}.flash-card.tone-octopus{border-color:color-mix(in srgb, var(--octopus) 50%, var(--border))}.flash-card.tone-board{border-color:color-mix(in srgb, var(--board) 50%, var(--border))}.flash-card-top{justify-content:space-between;align-items:center;gap:var(--space-3);display:flex}.flash-chip{padding:var(--space-1) var(--space-3);border-radius:var(--radius-pill);letter-spacing:.06em;text-transform:uppercase;color:var(--on);align-items:center;font-size:12px;font-weight:800;display:inline-flex}.flash-chip.tone-octopus{background:var(--octopus)}.flash-chip.tone-board{background:var(--board)}.flash-card h2{color:var(--text-h);margin:0;font-size:22px}.tone-octopus h2{color:var(--octopus)}.tone-board h2{color:var(--board)}.flash-lead{color:var(--text);margin:0;font-size:15px}.flash-art{border-radius:var(--radius-lg);aspect-ratio:4/3;place-items:center;display:grid;overflow:hidden}.tone-octopus .flash-art{background:var(--octopus-soft)}.tone-octopus .flash-art img{object-fit:cover;object-position:50% 35%;width:100%;height:100%;display:block}.tone-board .flash-art{background:color-mix(in srgb, var(--board-soft) 55%, var(--card))}.tone-board .flash-art img{object-fit:contain;width:100%;height:100%;display:block}.flash-how{padding-left:var(--space-5);gap:6px;margin:0;display:grid}.flash-how li{font-size:15px}.flash-how code{background:var(--muted);border:1px solid var(--border);font-family:var(--mono);border-radius:4px;padding:1px 5px;font-size:.85em}.flash-status{min-height:1.2em;color:var(--text-h);margin:0;font-size:14px;font-weight:700}.flash-status:empty{display:none}.flash-meter{background:var(--muted);border-radius:var(--radius-pill);border:var(--stroke) solid var(--border);height:10px;overflow:hidden}.flash-meter>span{background:var(--board);width:0%;height:100%;transition:width .12s linear;display:block}.flash-actions{align-items:center;gap:var(--space-3);flex-wrap:wrap;margin-top:auto;display:flex}esp-web-install-button{--esp-tools-button-color:var(--octopus);--esp-tools-button-text-color:var(--on);--esp-tools-button-border-radius:var(--radius-md);display:inline-flex}.flash-hex{color:var(--text-h);text-underline-offset:3px;font-size:14px;font-weight:700;text-decoration:underline}.flash-err{min-height:1.2em;color:var(--warn);margin:0;font-size:13px}.flash-err:empty{display:none}.flash-limits{font-size:13px}.flash-limits summary{cursor:pointer;color:var(--text-h);font-weight:700}.flash-done{color:var(--text-h);margin:0;font-size:18px;font-weight:800}.flash-done a{color:var(--board)}@media (width<=800px){.flash-cards{grid-template-columns:1fr}}@media (prefers-reduced-motion:reduce){.flash-meter>span{transition:none}}#app.view-about{flex-direction:column;min-height:100dvh;display:flex}.about{width:min(720px,100%);padding:var(--space-8) var(--space-5) var(--space-12);gap:var(--space-7);flex-direction:column;margin:0 auto;display:flex}.about-hero h1{margin-bottom:var(--space-3);font-size:clamp(32px,5vw,48px)}.about-hero p{margin:0;font-size:18px}.about-kicker{margin:0 0 var(--space-2);letter-spacing:.08em;text-transform:uppercase;color:var(--board);font-size:12px;font-weight:800}.about h2{margin-bottom:var(--space-3)}.about p,.about li{font-size:16px}.about ul,.about ol{padding-left:var(--space-5);gap:var(--space-2);margin:0;display:grid}.about a{color:var(--board);font-weight:800}#app.view-blocks{flex-direction:column;gap:0;width:100%;max-width:none;height:100dvh;margin:0;padding:0;display:flex}body:has(#app.view-blocks){height:100dvh;overflow:hidden}.cb{grid-template-rows:auto auto auto 1fr;height:100dvh;min-height:0;display:grid}.cb .app-bar{position:relative}.cb-names{align-items:center;gap:var(--space-2);font-size:13px;font-weight:700;display:flex}.cb-live{gap:var(--space-2);padding:10px var(--space-5);border-bottom:var(--stroke) solid var(--border);background:var(--card);display:flex;overflow-x:auto}.live-strip{gap:var(--space-2);display:flex}.live-card{min-width:112px;padding:10px var(--space-3);border:var(--stroke) solid var(--border);border-radius:var(--radius-md);background:color-mix(in srgb, var(--bg) 55%, var(--card))}.live-k{letter-spacing:.06em;text-transform:uppercase;margin:0;font-size:10px}.live-w{color:var(--text-h);letter-spacing:-.02em;margin:4px 0 0;font-size:15px;font-weight:600}.live-r{font-size:11px;font-family:var(--mono);margin:2px 0 0}.cb-body{grid-template-columns:220px minmax(0,1fr) 280px;min-height:0;display:grid}.cb-palette{padding:var(--space-3);border-right:1px solid var(--border);background:var(--muted);overflow:auto}.cb-pal-group{margin-bottom:14px}.cb-pal-group p{margin:0 0 var(--space-2);letter-spacing:.08em;text-transform:uppercase;font-size:11px}.cb-pal-item{text-align:left;width:100%;margin-bottom:var(--space-2);min-height:var(--tap);border-left-width:6px;font-size:14px;display:block}.cb-pal-flow{border-left-color:var(--flow)}.cb-pal-sense{border-left-color:var(--sense)}.cb-pal-do{border-left-color:var(--do)}.cb-pal-wait{border-left-color:var(--wait)}.cb-workspace{background:color-mix(in srgb, var(--bg) 70%, var(--card));flex-direction:column;min-width:0;min-height:0;display:flex}.cb-toolbar{align-items:center;gap:var(--space-2);border-bottom:1px solid var(--border);background:var(--card);flex-wrap:wrap;padding:10px 14px;display:flex}.cb-toolbar button,.cb-toolbar select{min-height:var(--tap)}.cb-runstate{min-height:var(--tap);border:1px solid var(--border);border-radius:var(--radius-md);letter-spacing:.04em;text-transform:uppercase;color:var(--text-h);align-items:center;padding:0 10px;font-size:12px;font-weight:700;display:inline-flex}.cb-runstate[hidden]{display:none}.cb-runstate[data-runstate=run]{border-color:color-mix(in srgb, var(--ok) 45%, var(--border));background:var(--ok-soft)}.cb-runstate[data-runstate=sync]{border-color:color-mix(in srgb, var(--accent) 55%, var(--border));background:var(--board-soft)}.cb-stack{padding:var(--space-4) 18px var(--space-9);overflow:auto}.cb-inspect{border-left:1px solid var(--border);background:var(--card);padding:14px;overflow:auto}.cb-note{margin:0 0 12px;font-size:13px}.cb-script summary{cursor:pointer;color:var(--text-h);font-size:13px}.cb-script pre{padding:10px var(--space-3);border-radius:var(--radius-sm);background:var(--code-bg);color:var(--code-fg);font:12px/1.5 var(--mono);white-space:pre-wrap;margin:10px 0 0}.cb[data-level=story] .blk{font-size:17px}.cb[data-level=raw] .blk{font-size:13px}@media (width<=900px){.cb-body{grid-template-rows:auto 1fr auto;grid-template-columns:1fr}.cb-palette,.cb-inspect{border:0;border-bottom:1px solid var(--border);max-height:28vh}.cb-inspect{border-bottom:0;border-top:1px solid var(--border)}}@media (width<=640px){.cb .app-bar{align-items:start}}.blk{background:var(--card);border:var(--stroke) solid var(--border);border-radius:var(--radius-md);padding:10px var(--space-3) 10px 30px;border-left-width:6px;gap:6px;display:grid;position:relative}.blk-hat{background:color-mix(in srgb, var(--accent) 12%, var(--card));border-left-color:var(--accent);padding-left:10px}.blk-flow{border-left-color:var(--flow)}.blk-sense{border-left-color:var(--sense)}.blk-do{border-left-color:var(--do)}.blk-wait{border-left-color:var(--wait)}.blk.is-current{outline:2px solid var(--accent);outline-offset:1px}.blk-head{color:var(--text-h);flex-wrap:wrap;align-items:center;gap:6px;display:flex}.blk-else{margin-top:4px;font-size:13px}.blk-handle{cursor:grab;color:var(--text);letter-spacing:-2px;-webkit-user-select:none;user-select:none;font-size:11px;position:absolute;top:10px;left:6px}.blk-tools{gap:4px;display:flex;position:absolute;top:6px;right:6px}.blk-tools button{padding:2px 7px;font-size:12px}.slot{min-height:40px;margin:var(--space-1) 0 0 var(--space-2);padding:var(--space-2);border:1px dashed var(--border);border-radius:var(--radius-sm);flex-direction:column;gap:6px;display:flex}.slot.is-over,[data-drop].is-over{border-color:var(--accent);background:color-mix(in srgb, var(--accent) 10%, transparent)}.slot-empty{opacity:.7;margin:0;font-size:12px}.live-chip{border-radius:var(--radius-pill);border:1px solid var(--border);font-size:11px;font-family:var(--mono);padding:1px 7px}.live-chip.is-true{color:var(--ok);border-color:var(--ok)}.live-chip.is-false{opacity:.7}.cond-and-k{opacity:.75;font-size:13px}.blk-head [data-act=and-add],.blk-head [data-act=and-del]{min-height:0;padding:2px 8px;font-size:12px}.blk select,.blk input{max-width:180px;padding:4px 8px}.blk .unit{color:var(--text);font-size:12px}.cb-overlay{background:var(--overlay);z-index:var(--z-overlay);padding:var(--space-5);place-items:center;display:grid;position:fixed;inset:0}.cb-sheet{background:var(--card);width:min(560px,100%);max-height:min(90dvh,720px);color:var(--text);border:var(--stroke) solid var(--border);border-radius:var(--radius-xl);padding:var(--space-6) var(--space-6) var(--space-5);box-shadow:var(--shadow-lg);overflow:auto}.cb-sheet h2{letter-spacing:-.03em;text-transform:none;margin-bottom:12px;font-size:22px}.cb-sheet h3{letter-spacing:.08em;text-transform:uppercase;margin:14px 0 6px;font-size:12px}.cb-sheet p,.cb-sheet li{font-size:14px;line-height:1.45}.cb-sheet ol,.cb-sheet ul{margin:0;padding-left:18px}.cb-sheet section+section{margin-top:4px}.cb-field{margin:var(--space-3) 0;flex-direction:column;gap:6px;font-size:13px;display:flex}.cb-sheet .cb-primary{margin-top:var(--space-3)}#app.view-write{flex-direction:column;gap:0;width:100%;max-width:none;height:100dvh;margin:0;padding:0;display:flex}body:has(#app.view-write){height:100dvh;overflow:hidden}.wr{background:color-mix(in srgb, var(--write-soft) 70%, var(--bg));grid-template-rows:auto auto auto auto minmax(0,1fr) auto;height:100dvh;min-height:0;display:grid}.wr .app-bar{position:relative}.wr-toolbar{align-items:center;gap:var(--space-2);padding:10px var(--space-5);border-bottom:var(--stroke) solid var(--border);background:var(--card);flex-wrap:wrap;display:flex}.wr-toolbar button,.wr-toolbar select{min-height:var(--tap)}.wr-page{min-height:0;padding:24px var(--space-5) 12px;flex-direction:column;align-items:center;display:flex;overflow:hidden}.wr-paper{letter-spacing:-.02em;width:min(720px,100%);min-height:0;color:var(--text-h);outline:none;flex:auto;font-family:Iowan Old Style,Palatino Linotype,Palatino,Georgia,serif;font-size:clamp(22px,2.7vw,32px);line-height:1.6;position:relative;overflow:auto}.wr-placeholder{max-width:22ch;font:inherit;color:color-mix(in srgb, var(--text) 55%, transparent);pointer-events:none;margin:0;font-style:italic;position:absolute;inset:0 auto auto 0}.wr-story{min-height:2em}.wr-line,.wr-block,.wr-slot{border:0;margin:0;padding:0;display:inline}.wr-story>.wr-slot{display:block}.wr-phrase{-webkit-box-decoration-break:clone;box-decoration-break:clone;cursor:pointer;border-radius:4px;display:inline}.wr-phrase.tone-flow{box-shadow:inset 0 -.14em 0 color-mix(in srgb, var(--flow) 32%, transparent)}.wr-phrase.tone-sense{box-shadow:inset 0 -.14em 0 color-mix(in srgb, var(--sense) 32%, transparent)}.wr-phrase.tone-do{box-shadow:inset 0 -.14em 0 color-mix(in srgb, var(--do) 34%, transparent)}.wr-phrase.tone-wait{box-shadow:inset 0 -.14em 0 color-mix(in srgb, var(--wait) 34%, transparent)}.wr-punct{cursor:pointer;font-weight:600}.wr-and{color:color-mix(in srgb, var(--text) 70%, transparent);pointer-events:none;margin:0 .28em;font-style:italic}.wr-else{color:var(--flow);cursor:pointer;margin-right:.35em;font-style:italic;display:inline}.wr-phrase.is-current,.wr-punct.is-current,.wr-else.is-current,.wr-block.is-current>.wr-phrase{background:color-mix(in srgb, var(--board) 22%, transparent)}.wr-caret{white-space:nowrap;display:inline}.wr-paper input.wr-draft,.wr-draft{font:inherit;font-weight:inherit;color:inherit;width:1ch;min-width:1ch;height:1.15em;min-height:0;caret-color:var(--board);box-shadow:none;background:0 0;border:0;border-radius:0;outline:none;margin:0;padding:0}.wr-ghost{color:color-mix(in srgb, var(--text-h) 34%, transparent);pointer-events:none}.wr-dock{padding:12px var(--space-5) 14px;background:var(--muted);border-top:var(--stroke) solid var(--border);flex:none}.wr-suggest{flex-wrap:wrap;gap:8px;width:min(960px,100%);max-height:7.5rem;margin:0 auto;display:flex;overflow:auto}.wr-chip{border-radius:var(--radius-pill);border:var(--stroke) solid transparent;background:var(--card);min-height:32px;color:var(--text-h);font-family:var(--sans);letter-spacing:-.02em;align-items:baseline;gap:8px;padding:5px 12px;font-size:13px;font-weight:700;display:inline-flex}.wr-chip em{letter-spacing:.04em;text-transform:uppercase;color:var(--text);font-size:11px;font-style:normal;font-weight:700}.wr-chip-punct{font-family:Iowan Old Style,Palatino,Georgia,serif;font-size:20px;line-height:1}.wr-chip.tone-flow{background:var(--blocks-soft);border-color:color-mix(in srgb, var(--flow) 35%, transparent)}.wr-chip.tone-sense{background:var(--octopus-soft);border-color:color-mix(in srgb, var(--sense) 35%, transparent)}.wr-chip.tone-do{background:var(--board-soft);border-color:color-mix(in srgb, var(--do) 35%, transparent)}.wr-chip.tone-wait,.wr-chip.tone-punct{background:color-mix(in srgb, var(--wait) 16%, var(--card));border-color:color-mix(in srgb, var(--wait) 30%, transparent)}.wr-chip.on{background:var(--text-h);color:var(--card);border-color:var(--text-h)}.wr-chip.on em{color:color-mix(in srgb, var(--card) 72%, transparent)}.wr-legend,.wr-note,.wr-script{width:min(960px,100%);color:var(--text);margin:8px auto 0;font-size:12px}.wr-script pre{border-radius:var(--radius-md);background:var(--code-bg);color:var(--code-fg);font-family:var(--mono);margin:10px 0 0;padding:12px 14px;font-size:12px;overflow:auto}@media (width<=720px){.wr-page{padding-top:16px}.wr-paper{font-size:22px}.wr-suggest{max-height:6.5rem}}#app.view-learn{flex-direction:column;min-height:100dvh;display:flex}.ln{background:color-mix(in srgb, var(--learn-soft) 55%, var(--bg));flex-direction:column;min-height:100dvh;display:flex}.ln-toolbar{align-items:center;gap:var(--space-2);padding:10px var(--space-5);border-bottom:var(--stroke) solid var(--border);background:var(--card);flex-wrap:wrap;display:flex}.ln-toolbar button,.ln-toolbar select{min-height:var(--tap)}.ln-kicker{color:var(--text-h);margin:0;font-weight:800}.ln-progress{margin-right:auto;font-size:13px}.ln-main{width:min(760px,100%);padding:var(--space-7) var(--space-5) var(--space-10);margin:0 auto}.ln-lead{text-align:center;margin-bottom:var(--space-6)}.ln-lead h1{margin-bottom:var(--space-3)}.ln-lead p{max-width:40rem;margin:0 auto}.ln-cards{gap:var(--space-3);display:grid}.ln-card{column-gap:var(--space-3);text-align:left;width:100%;padding:var(--space-4);border:var(--stroke) solid var(--border);border-radius:var(--radius-lg);background:var(--card);color:var(--text);grid-template-rows:auto auto;grid-template-columns:36px minmax(0,1fr) auto;row-gap:2px;display:grid}.ln-card .ln-n{grid-row:1/span 2;align-self:center}.ln-card strong{color:var(--text-h);grid-column:2;font-size:16px}.ln-card span{grid-column:2;font-size:13px}.ln-card em{letter-spacing:.06em;text-transform:uppercase;color:var(--learn);grid-area:1/3/span 2;align-self:center;font-size:11px;font-style:normal;font-weight:800}.ln-card.is-done{border-color:color-mix(in srgb, var(--learn) 45%, var(--border))}.ln-n{border-radius:var(--radius-pill);background:var(--learn-soft);width:36px;height:36px;color:var(--learn);place-items:center;font-weight:800;display:grid}.ln-reset-wrap{text-align:center;margin:var(--space-6) 0 0}.ln-reset{color:var(--text);min-height:var(--tap);background:0 0;border:none;text-decoration:underline}.ln-sheet{background:var(--card);border:var(--stroke) solid var(--border);border-radius:var(--radius-xl);padding:var(--space-6)}.ln-sheet h2{margin:0 0 var(--space-3)}.ln-sheet>p{margin:0 0 var(--space-4)}.ln-step{letter-spacing:.08em;text-transform:uppercase;color:var(--learn);font-size:12px;font-weight:800}.ln-sub{color:var(--text)}.ln-dots{margin:0 0 var(--space-4);gap:6px;display:flex}.ln-dot{background:var(--border);border-radius:99px;width:8px;height:8px}.ln-dot.on{background:var(--learn)}.ln-nav{justify-content:space-between;gap:var(--space-2);margin-top:var(--space-5);flex-wrap:wrap;display:flex}.ln-nav button{min-height:var(--tap)}.ln-demo{gap:var(--space-3);padding:var(--space-4);border:var(--stroke) solid var(--border);border-radius:var(--radius-md);background:color-mix(in srgb, var(--bg) 55%, var(--card));flex-direction:column;display:flex}.ln-field{flex-direction:column;flex:140px;gap:6px;font-size:13px;display:flex}.ln-tools{gap:var(--space-3);flex-wrap:wrap;display:flex}.ln-read{letter-spacing:-.03em;color:var(--text-h);margin:0;font-size:28px;font-weight:800}.ln-raw{font-family:var(--mono);margin:0;font-size:13px}.ln-note{margin:0;font-size:13px}.ln-row{gap:var(--space-2);grid-template-columns:7.5rem minmax(0,1fr);align-items:baseline;font-size:14px;display:grid}.ln-row-and{color:var(--text-h);font-weight:700}.ln-k{letter-spacing:.04em;text-transform:uppercase;font-size:12px;font-weight:800}.ln-split,.ln-grid{gap:var(--space-3);grid-template-columns:repeat(auto-fit,minmax(160px,1fr));display:grid}.ln-col{padding:var(--space-3);border:var(--stroke) solid var(--border);border-radius:var(--radius-md);background:var(--card)}.ln-col h3{margin-bottom:6px}.ln-cmd{font-family:var(--mono);color:var(--text-h);margin:8px 0 0;font-size:13px}.ln-opts{gap:var(--space-2);flex-direction:column;display:flex}.ln-opt{text-align:left;min-height:var(--tap)}.ln-opt.is-right{border-color:var(--ok);background:var(--ok-soft)}.ln-opt.is-wrong{border-color:var(--warn);background:var(--warn-soft)}.ln-explain{margin:var(--space-3) 0 0;font-size:14px}[data-demo].is-true{color:var(--ok)}[data-demo].is-false{color:var(--warn)}#app.view-repeat{flex-direction:column;min-height:100dvh;display:flex}.rp{background:color-mix(in srgb, var(--repeat-soft) 55%, var(--bg));flex-direction:column;min-height:100dvh;display:flex}.rp-toolbar{align-items:center;gap:var(--space-2);padding:10px var(--space-5);border-bottom:var(--stroke) solid var(--border);background:var(--card);flex-wrap:wrap;display:flex}.rp-toolbar button,.rp-toolbar select{min-height:var(--tap)}.rp-kicker{color:var(--text-h);margin:0;font-weight:800}.rp-main{width:min(760px,100%);padding:var(--space-7) var(--space-5) var(--space-10);margin:0 auto}.rp-lead{text-align:center;margin-bottom:var(--space-6)}.rp-lead h1{margin-bottom:var(--space-3)}.rp-lead p{max-width:40rem;margin:0 auto}.rp-cards{gap:var(--space-3);display:grid}.rp-card{column-gap:var(--space-3);text-align:left;width:100%;padding:var(--space-4);border:var(--stroke) solid var(--border);border-radius:var(--radius-lg);background:var(--card);color:var(--text);grid-template-rows:auto auto;grid-template-columns:36px minmax(0,1fr) auto;row-gap:2px;display:grid}.rp-card .rp-n{grid-row:1/span 2;align-self:center}.rp-card strong{color:var(--text-h);grid-column:2;font-size:16px}.rp-card span{grid-column:2;font-size:13px}.rp-card em{letter-spacing:.06em;text-transform:uppercase;color:var(--repeat);grid-area:1/3/span 2;align-self:center;font-size:11px;font-style:normal;font-weight:800}.rp-n{border-radius:var(--radius-pill);background:var(--repeat-soft);width:36px;height:36px;color:var(--repeat);place-items:center;font-weight:800;display:grid}.rp-sheet{background:var(--card);border:var(--stroke) solid var(--border);border-radius:var(--radius-xl);padding:var(--space-6)}.rp-sheet h2{margin:0 0 var(--space-3)}.rp-sheet>p{margin:0 0 var(--space-4)}.rp-step{letter-spacing:.08em;text-transform:uppercase;color:var(--repeat);font-size:12px;font-weight:800}.rp-sub{color:var(--text)}.rp-live{gap:var(--space-3);padding:var(--space-4);border:var(--stroke) solid var(--border);border-radius:var(--radius-md);background:color-mix(in srgb, var(--bg) 55%, var(--card));margin:0 0 var(--space-4);flex-direction:column;display:flex}.rp-row{justify-content:space-between;gap:var(--space-3);align-items:baseline;display:flex}.rp-k{letter-spacing:.04em;text-transform:uppercase;font-size:12px;font-weight:800}.rp-gate{color:var(--text-h);margin:0;font-weight:800}.rp-script{margin:0 0 var(--space-4)}.rp-script pre{margin:var(--space-2) 0 0;padding:var(--space-3);font:12px/1.5 var(--mono);background:var(--code-bg);color:var(--code-fg);border-radius:var(--radius-sm);overflow:auto}.rp-nav{justify-content:space-between;gap:var(--space-2);margin-top:var(--space-5);flex-wrap:wrap;display:flex}.rp-nav button,.rp-nav a{min-height:var(--tap)}.rp-nav a{border-radius:var(--radius-md);border:var(--stroke) solid var(--border);color:var(--text-h);background:var(--card);align-items:center;padding:0 14px;font-size:14px;font-weight:700;text-decoration:none;display:inline-flex}.rp-nav a:hover{border-color:color-mix(in srgb, var(--text-h) 22%, var(--border))}