.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);font-family:inherit;font-size:var(--text-sm);font-weight:var(--weight-semibold);line-height:1;border:1px solid transparent;border-radius:var(--radius-md);cursor:pointer;white-space:nowrap;-webkit-user-select:none;user-select:none;transition:transform var(--dur-fast) var(--ease-out),background-color var(--dur-fast) var(--ease-out),border-color var(--dur-fast) var(--ease-out),box-shadow var(--dur-fast) var(--ease-out)}.btn:active{transform:translateY(1px) scale(.99)}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.btn--md{padding:10px 16px;min-height:40px}.btn--lg{padding:14px 24px;font-size:var(--text-base);min-height:52px;border-radius:var(--radius-lg)}.btn--primary{background:var(--color-accent);color:var(--color-on-accent);box-shadow:var(--shadow-sm)}.btn--primary:hover:not(:disabled){background:var(--color-accent-hover);box-shadow:var(--shadow-accent)}.btn--primary:active:not(:disabled){background:var(--color-accent-press)}.btn--secondary{background:var(--color-surface);color:var(--color-text);border-color:var(--color-border-strong);box-shadow:var(--shadow-sm)}.btn--secondary:hover:not(:disabled){border-color:var(--color-accent);color:var(--color-accent)}.btn--ghost{background:transparent;color:var(--color-text-muted)}.btn--ghost:hover:not(:disabled){background:var(--color-surface-2);color:var(--color-text)}.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;min-width:40px;padding:0;color:var(--color-text-muted);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);cursor:pointer;transition:transform var(--dur-fast) var(--ease-out),color var(--dur-fast) var(--ease-out),background-color var(--dur-fast) var(--ease-out),border-color var(--dur-fast) var(--ease-out)}.icon-btn:hover:not(:disabled){color:var(--color-accent);border-color:var(--color-accent);background:var(--color-accent-soft)}.icon-btn:active:not(:disabled){transform:scale(.92)}.icon-btn:disabled{opacity:.4;cursor:not-allowed}@media (pointer: coarse){.icon-btn{width:44px;height:44px;min-width:44px}}.panel{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg)}.dev-credit{display:inline-flex;align-items:center;gap:var(--space-2);color:var(--color-text-muted);font-size:var(--text-sm);transition:color var(--dur-fast) var(--ease-out)}.dev-credit:hover{color:var(--color-accent)}.dev-credit strong{font-weight:var(--weight-semibold);color:var(--color-text)}.dev-credit:hover strong{color:var(--color-accent)}.landing{min-height:100%;display:flex;flex-direction:column;overflow-x:clip;background:radial-gradient(900px 500px at 85% -5%,var(--color-accent-soft),transparent 60%),radial-gradient(700px 500px at 0% 15%,color-mix(in srgb,var(--color-accent-2) 18%,transparent),transparent 55%),var(--color-bg);padding:0 clamp(var(--space-4),5vw,var(--space-9))}.landing__nav{display:flex;align-items:center;justify-content:space-between;padding:calc(var(--space-5) + var(--safe-top)) 0 var(--space-4)}.landing__brand,.landing__footer span:first-child{font-size:var(--text-xl);font-weight:var(--weight-bold);letter-spacing:-.01em}.landing__brand-accent{color:var(--color-accent)}.hero{display:grid;grid-template-columns:1.1fr .9fr;align-items:center;gap:clamp(var(--space-6),6vw,var(--space-9));padding:clamp(var(--space-6),6vw,var(--space-9)) 0;flex:1}.hero__eyebrow{display:inline-block;padding:6px 14px;border-radius:var(--radius-pill);background:var(--color-accent-soft);color:var(--color-accent);font-size:var(--text-sm);font-weight:var(--weight-semibold);margin-bottom:var(--space-4)}.hero__title{font-size:clamp(var(--text-3xl),7vw,var(--text-4xl));line-height:var(--leading-tight);font-weight:var(--weight-bold);letter-spacing:-.03em}.hero__title-accent{color:var(--color-accent)}.hero__lede{margin-top:var(--space-4);max-width:46ch;font-size:var(--text-lg);color:var(--color-text-muted)}.hero__cta{margin-top:var(--space-6);display:flex;align-items:center;gap:var(--space-4);flex-wrap:wrap}.hero__hint{font-size:var(--text-sm);color:var(--color-text-faint)}.hero__preview{position:relative;display:flex;justify-content:center;isolation:isolate}.preview-frame{position:relative;z-index:1;padding:var(--space-3);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-xl);box-shadow:var(--shadow-lg);width:min(420px,100%);aspect-ratio:1;display:flex}.canvas-preview{width:100%;height:100%;image-rendering:pixelated;border-radius:var(--radius-lg);background:#fff}.preview-glow{position:absolute;top:-12%;right:-12%;bottom:-18%;left:-12%;z-index:0;background:radial-gradient(closest-side,var(--color-accent-soft),transparent);filter:blur(20px)}.how{padding:clamp(var(--space-7),8vw,var(--space-9)) 0;text-align:center}.how__title{font-size:var(--text-2xl);font-weight:var(--weight-bold);letter-spacing:-.02em;margin-bottom:var(--space-6)}.how__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--space-4);max-width:960px;margin:0 auto}.step{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--space-6) var(--space-5);box-shadow:var(--shadow-sm);text-align:left}.step__icon{display:inline-flex;align-items:center;justify-content:center;width:48px;height:48px;border-radius:var(--radius-md);background:var(--color-accent-soft);color:var(--color-accent);margin-bottom:var(--space-4)}.step__title{font-size:var(--text-lg);font-weight:var(--weight-semibold);margin-bottom:var(--space-2)}.step__body{color:var(--color-text-muted);font-size:var(--text-base)}.how__cta{margin-top:var(--space-7);display:flex;justify-content:center}.landing__footer{display:flex;align-items:center;justify-content:space-between;gap:var(--space-4);padding:var(--space-5) 0 calc(var(--space-6) + var(--safe-bottom));border-top:1px solid var(--color-border);color:var(--color-text-faint);font-size:var(--text-sm)}@media (max-width: 860px){.hero{grid-template-columns:1fr;text-align:center;padding-top:var(--space-5)}.hero__lede{margin-left:auto;margin-right:auto}.hero__cta{justify-content:center}.hero__preview{order:-1}.preview-frame{width:min(340px,100%)}.how__grid{grid-template-columns:1fr;max-width:440px}.step{text-align:center}.step__icon{margin-left:auto;margin-right:auto}}@media (max-width: 420px){.landing__footer{flex-direction:column;text-align:center;gap:var(--space-2)}}.app-header{display:flex;align-items:center;justify-content:space-between;gap:var(--space-4);padding:calc(var(--space-3) + var(--safe-top)) var(--space-4) var(--space-3) calc(var(--space-4) + var(--safe-left));padding-right:calc(var(--space-4) + var(--safe-right));background:color-mix(in srgb,var(--color-surface) 80%,transparent);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--color-border);z-index:3}.app-header__brand{display:inline-flex;align-items:center;gap:var(--space-2);color:var(--color-text-muted);font-weight:var(--weight-bold);font-size:var(--text-lg);transition:color var(--dur-fast) var(--ease-out)}.app-header__brand:hover{color:var(--color-accent)}.app-header__logo{color:var(--color-text)}.app-header__logo-accent{color:var(--color-accent);margin-left:-6px}.canvas-stage{position:relative;flex:1;min-height:0;display:flex}.place-cue{position:absolute;border:2px solid var(--color-accent);border-radius:50%;background:color-mix(in srgb,var(--color-accent) 25%,transparent);pointer-events:none;transform-origin:center;z-index:2}.dock-wrap{position:absolute;left:0;right:0;margin:0 auto;bottom:calc(var(--space-4) + var(--safe-bottom));width:min(720px,calc(100% - var(--space-6)));z-index:4;pointer-events:none}.dock{display:flex;flex-direction:column;gap:var(--space-3);padding:var(--space-3) var(--space-4);pointer-events:auto}.dock__divider{height:1px;background:var(--color-border)}.dock__row{display:flex;align-items:center;justify-content:space-between;gap:var(--space-4)}.palette{display:flex;flex-wrap:wrap;gap:var(--space-2);justify-content:center}.swatch{position:relative;width:28px;height:28px;border:1px solid rgba(31,36,48,.15);border-radius:var(--radius-sm);padding:0;cursor:pointer}.swatch__ring{position:absolute;top:-4px;right:-4px;bottom:-4px;left:-4px;border:2.5px solid var(--color-text);border-radius:calc(var(--radius-sm) + 3px);box-shadow:0 0 0 2px var(--color-surface);pointer-events:none}.zoom-controls{display:flex;gap:var(--space-2);align-items:center}.zoom-label{min-width:52px;text-align:center;font-variant-numeric:tabular-nums;font-weight:var(--weight-semibold);font-size:var(--text-sm);color:var(--color-text-muted)}.status{display:inline-flex;align-items:center;gap:var(--space-2);padding:6px 12px;border-radius:var(--radius-pill);font-size:var(--text-sm);font-weight:var(--weight-semibold)}.status__dot{width:8px;height:8px;border-radius:50%;background:currentColor}.status--connected{color:var(--color-ok);background:var(--color-ok-soft)}.status--connecting{color:var(--color-warn);background:var(--color-warn-soft)}.status--disconnected{color:var(--color-danger);background:var(--color-danger-soft)}.spin{animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.readout{display:inline-flex;align-items:center;gap:var(--space-2);padding:6px 10px;background:var(--color-surface-2);border-radius:var(--radius-md);font-family:var(--font-mono);font-size:var(--text-sm);color:var(--color-text)}.readout__chip{width:16px;height:16px;border-radius:4px;border:1px solid rgba(31,36,48,.15)}.readout__coord{font-variant-numeric:tabular-nums;min-width:74px;color:var(--color-text-muted)}.canvas-foot{display:flex;align-items:center;justify-content:space-between;gap:var(--space-4);margin:0;padding:var(--space-2) calc(var(--space-4) + var(--safe-right)) calc(var(--space-2) + var(--safe-bottom)) calc(var(--space-4) + var(--safe-left));border-top:1px solid var(--color-border);background:var(--color-surface)}.canvas-foot__hint{color:var(--color-text-faint);font-size:var(--text-xs)}@media (max-width: 640px){.dock-wrap{width:calc(100% - var(--space-4));bottom:calc(var(--space-3) + var(--safe-bottom))}.dock__row{flex-direction:column;align-items:stretch;gap:var(--space-3)}.zoom-controls,.readout,.canvas-foot{justify-content:center}.canvas-foot__hint{display:none}}:root{color-scheme:light;--color-bg: #fbfaf7;--color-bg-tint: #f3f0ea;--color-surface: #ffffff;--color-surface-2: #f7f5f1;--color-text: #1f2430;--color-text-muted: #6b7280;--color-text-faint: #9aa1ad;--color-on-accent: #ffffff;--color-border: #e8e4dc;--color-border-strong: #d6d0c5;--color-accent: #6d5ef6;--color-accent-hover: #5b4ce0;--color-accent-press: #4c3fca;--color-accent-soft: #eeecfe;--color-accent-2: #ff7a59;--color-ok: #16a34a;--color-warn: #d97706;--color-danger: #dc2626;--color-ok-soft: #e7f6ec;--color-warn-soft: #fdf1e0;--color-danger-soft: #fdecec;--font-sans: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--font-mono: ui-monospace, "SF Mono", "Menlo", "Consolas", monospace;--text-xs: .75rem;--text-sm: .875rem;--text-base: 1rem;--text-lg: 1.125rem;--text-xl: 1.375rem;--text-2xl: 1.875rem;--text-3xl: 2.75rem;--text-4xl: 3.75rem;--leading-tight: 1.1;--leading-normal: 1.5;--weight-normal: 400;--weight-medium: 500;--weight-semibold: 600;--weight-bold: 700;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 24px;--space-6: 32px;--space-7: 48px;--space-8: 64px;--space-9: 96px;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--radius-xl: 24px;--radius-pill: 999px;--shadow-sm: 0 1px 2px rgba(31, 36, 48, .06), 0 1px 3px rgba(31, 36, 48, .08);--shadow-md: 0 4px 12px rgba(31, 36, 48, .08), 0 2px 4px rgba(31, 36, 48, .06);--shadow-lg: 0 12px 32px rgba(31, 36, 48, .12), 0 4px 8px rgba(31, 36, 48, .06);--shadow-accent: 0 8px 24px rgba(109, 94, 246, .35);--dur-fast: .12s;--dur-base: .22s;--dur-slow: .42s;--ease-out: cubic-bezier(.22, 1, .36, 1);--ease-in-out: cubic-bezier(.65, 0, .35, 1);--ease-spring: cubic-bezier(.34, 1.56, .64, 1);--safe-top: env(safe-area-inset-top, 0px);--safe-right: env(safe-area-inset-right, 0px);--safe-bottom: env(safe-area-inset-bottom, 0px);--safe-left: env(safe-area-inset-left, 0px)}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;background:var(--color-bg);color:var(--color-text);font-family:var(--font-sans);font-size:var(--text-base);line-height:var(--leading-normal);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}h1,h2,h3,p{margin:0}a{color:inherit;text-decoration:none}:focus-visible{outline:2px solid var(--color-accent);outline-offset:2px;border-radius:var(--radius-sm)}.canvas-app{display:flex;flex-direction:column;height:100%;background:radial-gradient(1200px 600px at 100% -10%,var(--color-accent-soft),transparent 60%),var(--color-bg)}.viewport{flex:1;position:relative;overflow:hidden;background:linear-gradient(45deg,var(--color-surface-2) 25%,transparent 25%) 0 0 / 24px 24px,linear-gradient(-45deg,var(--color-surface-2) 25%,transparent 25%) 0 0 / 24px 24px,var(--color-surface);cursor:crosshair;touch-action:none}.pixel-canvas{position:absolute;top:0;left:0;image-rendering:pixelated;background:#fff;box-shadow:var(--shadow-md)}