.transposer-app-surface{width:100%;min-height:calc(100dvh - var(--size-header) - env(safe-area-inset-top));gap:var(--space-2);padding:var(--space-2) 0 calc(var(--space-4) + env(safe-area-inset-bottom));background:radial-gradient(circle at 50% 43%, color-mix(in srgb, var(--transposer-surface-glow) var(--transposer-surface-glow-opacity), transparent), color-mix(in srgb, var(--transposer-surface-glow) var(--transposer-surface-glow-mid-opacity), transparent) 28%, transparent 64%), linear-gradient(145deg, color-mix(in srgb, var(--transposer-surface-glow) var(--transposer-surface-sheen-opacity), transparent), color-mix(in srgb, var(--transposer-surface-shade) var(--transposer-surface-shade-opacity), transparent)), var(--transposer-surface);cursor:grab;touch-action:none;-webkit-user-select:none;user-select:none;align-content:start;justify-items:center;display:grid;position:relative;overflow:hidden}.transposer-app-surface.is-dragging{cursor:grabbing}.transposer-controls{width:calc(100% - var(--space-3));align-items:center;gap:var(--space-2);padding:var(--space-2);border:1px solid var(--transposer-border);border-radius:var(--radius-lg);background:color-mix(in srgb, var(--transposer-panel) var(--transposer-panel-opacity), transparent);cursor:default;touch-action:auto;grid-template-columns:repeat(2,minmax(0,1fr));display:grid}.transposer-control-group{gap:4px;min-width:0;display:grid}.transposer-control-label{color:var(--transposer-muted-text);letter-spacing:0;font-size:11px;font-weight:800}.transposer-toggle{border:1px solid var(--transposer-border);border-radius:var(--radius-lg);background:var(--transposer-control-surface);grid-template-columns:repeat(2,minmax(0,1fr));min-height:38px;padding:3px;display:inline-grid}.transposer-toggle button{border-radius:var(--radius-md);min-width:0;color:var(--transposer-muted-text);font-size:var(--font-size-sm);padding:0 var(--space-2);background:0 0;border:0;font-weight:750}.transposer-toggle button[aria-pressed=true]{background:var(--transposer-active-control);color:var(--transposer-active-control-text)}.transposer-theme-editor{color:var(--transposer-muted-text);grid-column:1/-1;font-size:11px;font-weight:750}.transposer-theme-editor summary{cursor:pointer;touch-action:auto;min-height:32px;list-style-position:inside}.transposer-theme-editor__actions{gap:var(--space-2);padding-bottom:var(--space-2);grid-template-columns:repeat(2,minmax(0,1fr));display:grid}.transposer-theme-editor__actions button{border:1px solid var(--transposer-border);border-radius:var(--radius-md);background:var(--transposer-control-surface);min-height:34px;color:var(--transposer-muted-text);font:inherit}.transposer-theme-editor__fields{gap:6px var(--space-2);max-height:230px;padding-top:var(--space-1);touch-action:auto;grid-template-columns:repeat(2,minmax(0,1fr));display:grid;overflow:auto}.transposer-theme-editor__field{grid-template-columns:minmax(0,1fr) 34px;align-items:center;gap:6px;min-width:0;display:grid}.transposer-theme-editor__field span{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.transposer-theme-editor__field input{border:1px solid var(--transposer-border);border-radius:var(--radius-sm);background:0 0;width:34px;height:28px;padding:0}.transposer-theme-editor__field--range{grid-column:1/-1;grid-template-columns:minmax(82px,.7fr) minmax(120px,1fr) 32px}.transposer-theme-editor__field--range input{width:100%;height:28px;accent-color:var(--transposer-active-control)}.transposer-theme-editor__field output{text-align:right}.transposer-theme-editor__output{width:100%;min-height:120px;margin-top:var(--space-2);padding:var(--space-2);border:1px solid var(--transposer-border);border-radius:var(--radius-md);background:var(--transposer-control-surface);color:var(--transposer-muted-text);resize:vertical;touch-action:auto;font:11px/1.4 ui-monospace,SFMono-Regular,Consolas,monospace}.transposer-disk-area{place-items:center;width:min(100%,720px);display:grid}.transposer-disk{aspect-ratio:1;touch-action:none;-webkit-user-select:none;user-select:none;width:100%;height:auto;display:block;overflow:visible}.transposer-ring{cursor:grab;transform-box:fill-box;transform-origin:50%;transition:transform .14s cubic-bezier(.2,.8,.2,1)}.transposer-ring:focus{outline:none}.transposer-ring.is-dragging{cursor:grabbing;transition:none}.transposer-column-indicators line{stroke:color-mix(in srgb, var(--transposer-background-column-line) var(--transposer-background-column-line-opacity), transparent);stroke-linecap:round;stroke-width:8px;vector-effect:non-scaling-stroke}.transposer-ring__plate{filter:drop-shadow(0 5px 7px color-mix(in srgb, var(--transposer-shadow) var(--transposer-ring-drop-shadow-opacity), transparent));stroke:#0000;stroke-width:0;vector-effect:non-scaling-stroke}.transposer-ring__plate--handle{fill:var(--transposer-handle-cell)}.transposer-ring__plate--white-key{fill:var(--transposer-white-key-cell)}.transposer-ring__plate--black-key{fill:var(--transposer-black-key-cell)}.transposer-ring__relative-minor-plate{pointer-events:none}.transposer-ring__relative-minor-plate--white-key{fill:var(--transposer-white-key-cell)}.transposer-ring__relative-minor-plate--black-key{fill:var(--transposer-black-key-cell)}.transposer-white-key-edge-shadow,.transposer-ring__cell-inset-shade{pointer-events:none}.transposer-ring__cell-inset-shade--handle{fill:url(#transposerHandleCellShade);opacity:.55}.transposer-ring__cell-inset-shade--notes{fill:url(#transposerNoteCellShade);opacity:1}.transposer-ring__cell-highlight{pointer-events:none}.transposer-ring__cell-highlight--handle,.transposer-ring__cell-highlight--notes{fill:var(--transposer-highlight)}.transposer-ring__audition-highlight{fill:#63e7ff;pointer-events:none;animation:.68s ease-out forwards transposer-audition-fade}.transposer-ring__divider{stroke:var(--transposer-divider);stroke-linecap:butt;pointer-events:none}.transposer-ring__label{fill:var(--transposer-note-text);letter-spacing:0;pointer-events:none;text-anchor:middle;font-size:13px;font-weight:800}.transposer-ring__label--major-fifths{font-size:12px}.transposer-ring__label--relative-minor{fill:color-mix(in srgb, var(--transposer-note-text) 72%, transparent);font-size:8px;font-weight:800}.transposer-ring__label--handle{fill:var(--transposer-handle-text);letter-spacing:.12em;font-size:8px}.transposer-ring__minor-divider{fill:none;stroke:color-mix(in srgb, var(--transposer-divider) 58%, transparent);stroke-width:1px;pointer-events:none;vector-effect:non-scaling-stroke}@keyframes transposer-audition-fade{0%{opacity:.62}to{opacity:0}}.transposer-chord-dot{pointer-events:none;stroke:color-mix(in srgb, var(--transposer-chord-stroke) var(--transposer-chord-stroke-opacity), transparent);stroke-width:.65px;vector-effect:non-scaling-stroke}.transposer-center{fill:var(--transposer-center-fill);filter:drop-shadow(0 8px 10px color-mix(in srgb, var(--transposer-shadow) var(--transposer-center-drop-shadow-opacity), transparent));stroke:var(--transposer-border);stroke-width:2px}.transposer-axle{fill:var(--transposer-axle-fill);stroke:var(--transposer-border);stroke-width:1.5px}.transposer-legend{width:calc(100% - var(--space-3));justify-content:center;gap:6px var(--space-2);max-width:680px;padding:0 var(--space-1);color:var(--transposer-muted-text);touch-action:auto;flex-wrap:wrap;font-size:11px;font-weight:750;display:flex}.transposer-legend__item{align-items:center;gap:5px;min-height:22px;display:inline-flex}.transposer-legend__dot{border:1px solid color-mix(in srgb, var(--transposer-chord-stroke) var(--transposer-legend-dot-stroke-opacity), transparent);border-radius:999px;flex:none;width:8px;height:8px}@media (width>=760px){.transposer-app-surface{padding:var(--space-4) 0 calc(var(--space-6) + env(safe-area-inset-bottom))}.transposer-controls{grid-template-columns:auto auto;max-width:680px}}:root{--color-bg:#080a0d;--color-surface:#11161d;--color-surface-muted:#1a222d;--color-text:#f2f5f8;--color-muted:#9aa6b5;--color-border:#27313d;--color-primary:#58b8d1;--color-primary-pressed:#8bd0e0;--color-accent:#f2b55d;--color-shadow:#00000057;--space-1:.25rem;--space-2:.5rem;--space-3:.75rem;--space-4:1rem;--space-5:1.5rem;--space-6:2rem;--space-7:3rem;--font-size-xs:.75rem;--font-size-sm:.875rem;--font-size-md:1rem;--font-size-lg:1.25rem;--font-size-xl:1.75rem;--line-tight:1.15;--line-body:1.5;--radius-sm:4px;--radius-md:6px;--radius-lg:8px;--size-touch:44px;--size-header:56px}*{box-sizing:border-box}html{background:var(--color-bg);min-height:100%;color:var(--color-text);-webkit-text-size-adjust:100%;-moz-text-size-adjust:100%;text-size-adjust:100%}body{background:var(--color-bg);min-height:100%;font-family:ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:var(--font-size-md);line-height:var(--line-body);margin:0}button,input,textarea,select{font:inherit}a{color:inherit}#root,.shell{min-height:100dvh}.shell-header{z-index:10;padding-top:env(safe-area-inset-top);border-bottom:1px solid var(--color-border);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);background:#080a0df0;position:sticky;top:0}.shell-header__inner{max-width:960px;padding:var(--space-1) var(--space-2);margin:0 auto}.shell-header__top{grid-template-columns:var(--size-touch) 1fr auto;align-items:center;gap:var(--space-2);min-height:var(--size-touch);display:grid}.shell-brand{min-width:0;color:var(--color-text);font-size:var(--font-size-sm);font-weight:750;line-height:var(--line-tight);text-overflow:ellipsis;white-space:nowrap;text-transform:uppercase;text-decoration:none;overflow:hidden}.shell-header__action{min-width:0;padding-right:var(--space-2);padding-left:var(--space-2)}.menu-trigger{width:var(--size-touch);height:var(--size-touch);border:1px solid var(--color-border);border-radius:var(--radius-lg);background:var(--color-surface);color:var(--color-text);place-content:center;gap:4px;padding:0;display:inline-grid}.menu-trigger__line{background:currentColor;border-radius:2px;width:18px;height:2px;display:block}.menu-layer{z-index:30;display:flex;position:fixed;inset:0}.menu-sheet{width:min(84vw,320px);min-height:100%;padding:calc(var(--space-4) + env(safe-area-inset-top)) var(--space-4) calc(var(--space-4) + env(safe-area-inset-bottom));border-right:1px solid var(--color-border);background:var(--color-surface);box-shadow:0 18px 60px var(--color-shadow)}.menu-sheet__top{justify-content:space-between;align-items:center;gap:var(--space-3);margin-bottom:var(--space-5);display:flex}.menu-sheet__title{font-size:var(--font-size-lg);font-weight:700}.menu-link{min-height:var(--size-touch);padding:var(--space-2) 0;border-bottom:1px solid var(--color-border);color:var(--color-text);align-items:center;font-weight:650;text-decoration:none;display:flex}.menu-backdrop{background:#00000094;border:0;flex:1;min-width:0}.shell-main{min-height:calc(100dvh - var(--size-header) - env(safe-area-inset-top))}.button{min-height:var(--size-touch);padding:var(--space-2) var(--space-4);border-radius:var(--radius-lg);text-align:center;white-space:normal;overflow-wrap:anywhere;border:1px solid #0000;justify-content:center;align-items:center;font-weight:700;line-height:1.2;text-decoration:none;display:inline-flex}.button--primary{border-color:var(--color-primary);background:var(--color-primary);color:#061017}.button--primary:active{border-color:var(--color-primary-pressed);background:var(--color-primary-pressed)}.button--secondary{border-color:var(--color-border);background:var(--color-surface-muted);color:var(--color-text)}.card{padding:var(--space-4);border:1px solid var(--color-border);border-radius:var(--radius-lg);background:var(--color-surface);box-shadow:0 8px 24px var(--color-shadow)}.card h2{margin:0 0 var(--space-2);font-size:var(--font-size-lg);line-height:var(--line-tight)}.card p{color:var(--color-muted);margin:0}.launcher-grid{gap:var(--space-4);display:grid}.launcher-grid--padded{max-width:960px;padding:var(--space-5) var(--space-4) calc(var(--space-6) + env(safe-area-inset-bottom));margin:0 auto}.launcher-card{gap:var(--space-3);display:grid}.launcher-card__meta{width:fit-content;padding:.125rem var(--space-2);border-radius:var(--radius-sm);background:var(--color-surface-muted);color:var(--color-muted);font-size:var(--font-size-xs);text-transform:uppercase;font-weight:750}.stack-copy{margin-bottom:var(--space-4)!important}.placeholder-card{max-width:960px;margin:var(--space-5) var(--space-4)}@media (width>=760px){.shell-header__inner{padding-right:var(--space-3);padding-left:var(--space-3)}.launcher-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.placeholder-card{margin-left:auto;margin-right:auto}}