@import"https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=JetBrains+Mono:wght@400;600&display=swap";*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}input[type=number]::-webkit-inner-spin-button,input[type=number]::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}input[type=number]{-moz-appearance:textfield;appearance:textfield}:root{--bg: #0c0b18;--surface: #161428;--surface2: #1e1b30;--border: #302d4e;--accent: #e879f9;--accent2: #16bcd5;--text: #ede9fe;--text-muted: #9d95c0;--error-bg: #3b0f0f;--error-border: #7f1d1d;--error-text: #fca5a5;--font-mono: "JetBrains Mono", "Fira Code", "Courier New", monospace;--radius: 8px}html,body{height:100%;overflow:hidden}body{background:var(--bg);color:var(--text);font-family:Space Grotesk,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:15px;line-height:1.6}.app{height:100vh;overflow:hidden;display:flex;flex-direction:column}.ide-titlebar{flex-shrink:0;display:flex;align-items:center;justify-content:space-between;padding:0 1rem;height:26px;background:var(--bg);border-bottom:1px solid var(--border);font-size:.78rem;color:var(--text-muted);-webkit-user-select:none;user-select:none}.ide-titlebar strong{color:var(--text);font-weight:600;letter-spacing:.01em}.ide-titlebar a{color:var(--text-muted);text-decoration:none;transition:color .15s}.ide-titlebar a:hover{color:var(--accent2)}.ide-tabrow{flex-shrink:0;display:flex;align-items:stretch;background:var(--surface);border-bottom:1px solid var(--border);padding:0 .25rem;position:relative}.ide-tab-btn{padding:.45rem 1rem;background:none;border:none;border-bottom:2px solid transparent;color:var(--text-muted);font-size:.85rem;font-weight:500;cursor:pointer;margin-bottom:-1px;transition:color .15s,border-color .15s;white-space:nowrap}.ide-tab-btn:hover{color:var(--text)}.ide-tab-btn.active{color:var(--accent);border-bottom-color:var(--accent)}.ide-filename{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);font-size:.78rem;color:var(--text-muted);padding:1px 6px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:240px;cursor:text;border-radius:3px;border:1px solid transparent;transition:border-color .1s,background .1s;pointer-events:auto}.ide-filename:hover{border-color:var(--accent2);background:var(--surface2);color:var(--text)}.ide-filename-input{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);font-size:.78rem;color:var(--text);padding:1px 4px;background:var(--surface2);border:1px solid var(--accent2);border-radius:3px;width:160px}.ide-tabrow-actions{margin-left:auto;display:flex;align-items:center;gap:.4rem;padding:.3rem .25rem}.ide-ribbon{flex-shrink:0;display:flex;align-items:center;gap:.65rem;flex-wrap:wrap;padding:.4rem .85rem;background:var(--surface2);border-bottom:1px solid var(--border);min-height:40px}.ide-ribbon-dragging{outline:1px solid var(--accent);background:#e879f90f}.ide-ribbon label{font-size:.78rem;color:var(--text-muted);white-space:nowrap}.ide-ribbon input[type=number],.ide-ribbon input[type=text],.ide-ribbon input:not([type]){padding:.28rem .45rem;background:var(--bg);border:1px solid var(--border);border-radius:6px;color:var(--text);font-size:.82rem;box-shadow:inset 0 1px 3px #0006}.ide-ribbon input[type=number]:focus,.ide-ribbon input[type=text]:focus,.ide-ribbon input:not([type]):focus{outline:none;border-color:var(--accent)}.ide-ribbon-sep{width:1px;height:18px;background:var(--border);flex-shrink:0}.ide-ribbon-group{display:flex;flex-direction:column;align-items:center;gap:6px;padding:6px 8px;align-self:stretch;justify-content:center;background:#22d3ee12;border-radius:4px}.ide-ribbon-group__controls{display:flex;align-items:center;gap:6px}.ide-ribbon-group__title{font-size:.62rem;color:var(--accent2);text-transform:uppercase;letter-spacing:.06em;white-space:nowrap}.ide-ribbon-group--track{background:#e879f912}.ide-ribbon-group--track .ide-ribbon-group__title{color:var(--accent)}.ide-ribbon-btn{display:flex;align-items:center;gap:5px;padding:.28rem .7rem;background:var(--surface2);border:1px solid var(--border);border-radius:6px;color:var(--text);font-size:.82rem;cursor:pointer;white-space:nowrap;box-shadow:inset 0 1px #ffffff0f;transition:border-color .15s,color .15s}.ide-ribbon-btn:hover:not(:disabled){border-color:var(--accent);color:var(--accent)}.ide-ribbon-btn:disabled{opacity:.4;cursor:default}.ide-ribbon-btn--danger:hover:not(:disabled){border-color:var(--error-border);color:var(--error-text)}.ide-dropdown{position:absolute;top:100%;left:0;min-width:180px;background:var(--surface);border:1px solid var(--border);border-radius:0 var(--radius) var(--radius) var(--radius);padding:.3rem 0;z-index:200;box-shadow:0 6px 20px #00000080}.ide-dropdown-item{padding:.38rem 1rem;font-size:.85rem;color:var(--text);cursor:pointer;-webkit-user-select:none;user-select:none;white-space:nowrap;transition:background .1s}.ide-dropdown-item:hover{background:var(--surface2)}.ide-dropdown-item--disabled{opacity:.4;pointer-events:none}.ide-dropdown-sep{height:1px;background:var(--border);margin:.3rem 0}.ide-sample-menu{position:relative}.ide-body{flex:1;min-height:0;display:flex;flex-direction:column;overflow:hidden}.ide-piano-section{flex:1;min-height:0;overflow:hidden;display:flex;flex-direction:column}.ide-resize-handle{flex-shrink:0;height:4px;background:var(--border);cursor:ns-resize;transition:background .15s}.ide-resize-handle:hover{background:#e879f980}.ide-bottom{flex-shrink:0;display:grid;grid-template-columns:1fr 1fr;grid-template-rows:auto 1fr;overflow:hidden;border-top:1px solid var(--border)}.ide-stdin-row{grid-column:1 / -1;display:flex;align-items:center;gap:8px;padding:4px 10px;border-bottom:1px solid var(--border);background:var(--surface2)}.ide-stdin-label{font-size:11px;color:var(--text-muted, #888);text-transform:uppercase;letter-spacing:.05em;white-space:nowrap;flex-shrink:0}.ide-stdin-input{flex:1;max-width:320px;font-size:12px;font-family:var(--font-mono, monospace);padding:3px 6px;border-radius:3px;border:1px solid var(--border);background:var(--surface);color:var(--text)}.ide-stdin-input:focus{outline:none;border-color:var(--accent2)}.ide-bottom--with-tape{grid-template-rows:auto auto 1fr}.tape{grid-column:1 / -1;background:var(--surface);border-bottom:1px solid var(--border);padding:4px 10px 6px;min-height:0}.tape-header{display:flex;align-items:center;gap:8px;margin-bottom:4px}.tape-heading{font-size:.7rem;font-weight:600;text-transform:uppercase;letter-spacing:.1em;color:var(--text-muted);margin:0}.tape-pointer{font-family:var(--font-mono);font-size:10px;color:var(--accent2)}.tape-fmt{display:flex;gap:2px;margin-left:auto}.tape-fmt-btn{font-family:var(--font-mono);font-size:9px;text-transform:uppercase;letter-spacing:.05em;padding:1px 6px;border:1px solid var(--border);border-radius:3px;background:transparent;color:var(--text-muted);cursor:pointer;transition:background .15s,color .15s,border-color .15s}.tape-fmt-btn:hover{color:var(--text);border-color:var(--text-muted)}.tape-fmt-btn--active{background:var(--accent2);color:var(--bg);border-color:var(--accent2)}.tape-strip{display:flex;gap:2px;overflow-x:auto}.tape-cell{flex-shrink:0;width:30px;display:flex;flex-direction:column;align-items:center;border:1px solid var(--border);border-radius:3px;background:var(--surface2);padding:2px 0;transition:border-color .15s,background .15s}.tape-cell--active{border-color:var(--accent2);background:#16bcd526;box-shadow:0 0 6px #16bcd54d}.tape-cell--zero .tape-cell-value{color:var(--text-muted);opacity:.4}.tape-cell-value{font-family:var(--font-mono);font-size:11px;color:var(--text);line-height:1.3}.tape-cell-index{font-family:var(--font-mono);font-size:8px;color:var(--text-muted);opacity:.5;line-height:1}.panel{background:var(--surface);border-right:1px solid var(--border);padding:.85rem 1rem;overflow:hidden;display:flex;flex-direction:column;min-height:0}.panel:last-child{border-right:none}.panel h2{font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.1em;color:var(--text-muted);margin-bottom:.6rem;flex-shrink:0}.panel-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:.6rem;flex-shrink:0}.panel-header h2{margin-bottom:0}.panel-meta{display:flex;align-items:center;gap:.5rem}.piano-roll-panel{flex:1;min-height:0;display:flex;flex-direction:column;border-radius:0;border:none;border-right:none;padding:.5rem .75rem 0}.pr-toolbar{position:absolute;top:8px;right:8px;z-index:10;display:flex;flex-direction:column;gap:3px;background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:5px;box-shadow:0 2px 8px #00000059;pointer-events:all}.pr-toolbar-btn{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:4px 8px;border-radius:5px;border:1px solid transparent;background:transparent;color:var(--text-muted);font-size:.75rem;cursor:pointer;white-space:nowrap;transition:background .1s,color .1s}.pr-toolbar-btn:hover{background:#22d3ee1f;color:var(--text)}.pr-toolbar-btn:disabled{opacity:.3;cursor:not-allowed;pointer-events:none}.pr-toolbar-btn--active{background:#22d3ee2e;color:var(--accent);border-color:#22d3ee59}.pr-toolbar-btn-label{display:flex;flex-direction:row;align-items:center;gap:5px}kbd{display:inline-flex;align-items:center;justify-content:center;font-family:inherit;font-size:.6rem;font-weight:600;line-height:1;padding:1px 4px;border-radius:3px;border:1px solid currentColor;opacity:.45;letter-spacing:.02em}.pr-toolbar-btn--active .pr-toolbar-kbd{opacity:.7}.pr-toolbar-divider{height:1px;background:var(--border);margin:2px 0}.pr-toolbar-snap-label{font-size:.7rem;color:var(--text-muted);padding:0 4px;margin-top:1px}.command-legend{display:flex;gap:.65rem;flex-wrap:wrap;margin-bottom:.5rem;font-size:.75rem;flex-shrink:0}.legend-item{display:flex;align-items:center;gap:.25rem;cursor:default}.legend-dot{width:8px;height:8px;border-radius:2px;display:inline-block;flex-shrink:0}.code-block{font-family:var(--font-mono);font-size:.82rem;background:var(--surface2);border:1px solid var(--border);border-radius:6px;padding:.6rem .75rem;white-space:pre-wrap;word-break:break-all;overflow-y:auto;flex:1;min-height:0}.output-block{word-break:break-word}.placeholder{font-size:.82rem;color:var(--text-muted);font-style:italic}.char-count{font-size:.75rem;color:var(--text-muted)}.copy-btn{padding:.15rem .5rem;background:var(--surface2);border:1px solid var(--border);border-radius:4px;color:var(--text-muted);font-size:.75rem;cursor:pointer;transition:color .15s,border-color .15s}.copy-btn:hover{color:var(--accent);border-color:var(--accent)}.hint{font-size:.75rem;color:var(--text-muted)}.error-box{background:var(--error-bg);border:1px solid var(--error-border);border-radius:6px;color:var(--error-text);padding:.5rem .75rem;font-size:.82rem;margin-bottom:.5rem;flex-shrink:0}code{font-family:var(--font-mono);background:var(--surface2);padding:.1em .3em;border-radius:3px;font-size:.9em}.ide-run-btn{width:auto;margin-top:0}.play-btn{display:flex;flex-direction:row;align-items:center;justify-content:space-between;padding:.38rem 1rem;background:var(--surface2);border:1px solid var(--border);border-radius:6px;color:var(--text);font-size:.85rem;font-weight:600;cursor:pointer;font-family:inherit;box-shadow:inset 0 1px #ffffff0f;transition:border-color .15s,color .15s;white-space:nowrap}.play-btn:hover:not(:disabled){border-color:var(--accent);color:var(--accent)}.play-btn:disabled{opacity:.4;cursor:default}.play-split-btn{position:relative;display:flex;align-items:stretch}.play-split-btn__main{border-radius:6px 0 0 6px;border-right:1px solid var(--border);text-align:left;padding-right:8px}.play-split-btn__chevron{border-radius:0 6px 6px 0;padding:0 .55rem;font-size:1rem;line-height:1;display:flex;align-items:center;justify-content:center}.play-split-dropdown{position:absolute;top:calc(100% + 2px);right:0;z-index:100;min-width:160px;background:var(--surface2);border:1px solid var(--border);border-radius:4px;box-shadow:0 6px 20px #00000080}.ide-dropdown-item--active{color:var(--accent);font-weight:600}.play-split-dropdown .ide-dropdown-item:hover{background:#ffffff12}.snackbar{position:fixed;bottom:1.5rem;left:50%;transform:translate(-50%);padding:.55rem 1.1rem;border-radius:6px;font-size:.85rem;pointer-events:none;z-index:9999;white-space:nowrap}.snackbar-error{background:var(--error-bg);border:1px solid var(--error-border);color:var(--error-text)}.modal-backdrop{position:fixed;inset:0;background:#000000b3;display:flex;align-items:center;justify-content:center;z-index:1000}.modal-dialog{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:1.5rem;max-width:400px;width:90%;box-shadow:0 10px 30px #00000080}.modal-title{font-size:1.1rem;font-weight:600;margin-bottom:1rem;color:var(--text)}.modal-message{margin-bottom:1.5rem;color:var(--text-muted);line-height:1.5}.modal-buttons{display:flex;gap:.75rem;justify-content:flex-end}.modal-btn{padding:.5rem 1rem;border:1px solid var(--border);border-radius:6px;background:var(--surface);color:var(--text);font-size:.9rem;cursor:pointer;transition:border-color .15s,color .15s}.modal-btn:hover{border-color:var(--accent);color:var(--accent)}.modal-btn--danger{border-color:var(--error-border);color:var(--error-text)}.modal-btn--danger:hover{background:var(--error-bg);border-color:var(--error-border);color:var(--error-text)}.custom-select-trigger{display:flex;align-items:center;justify-content:space-between;gap:.5rem;padding:.38rem .65rem;background:var(--surface2);border:1px solid rgba(255,255,255,.15);border-radius:6px;color:var(--text);font-size:.82rem;cursor:pointer;white-space:nowrap;transition:background .1s;font-family:inherit;text-align:left;width:100%}.custom-select-trigger:hover:not(:disabled){background:#ffffff21}.custom-select-trigger:disabled{opacity:.4;cursor:default}.custom-select-trigger--sm{padding:3px 8px;font-size:.75rem}.run-mode-label{font-size:.62rem;color:var(--accent);text-transform:uppercase;letter-spacing:.06em;white-space:nowrap;-webkit-user-select:none;user-select:none}.run-mode-dropdown{position:relative}.run-mode-trigger{display:flex;align-items:center;justify-content:space-between;gap:.5rem;padding:.38rem .65rem;background:var(--surface2);border:1px solid rgba(255,255,255,.15);border-radius:6px;color:var(--text);font-size:.82rem;cursor:pointer;white-space:nowrap;transition:background .1s;font-family:inherit;text-align:left}.run-mode-trigger:hover:not(:disabled){background:#ffffff21}.run-mode-trigger:disabled{opacity:.4;cursor:default}.run-mode-menu{min-width:190px;right:0;left:auto}.run-mode-item{display:flex;flex-direction:column;gap:2px;padding:.45rem 1rem}.run-mode-item__name{font-size:.85rem}.run-mode-item__hint{font-size:.73rem;opacity:.8;font-weight:400}.ide-stdin-input--live{border-color:var(--accent)!important;outline:1px solid var(--accent);animation:live-pulse 1s ease-in-out infinite alternate}@keyframes live-pulse{0%{box-shadow:0 0 0 0 transparent}to{box-shadow:0 0 6px 1px color-mix(in srgb,var(--accent) 40%,transparent)}}.ide-overlay{position:fixed;inset:0;z-index:100;background:var(--bg);overflow-y:auto;padding:2.5rem 1.5rem 4rem}.ide-overlay-inner{max-width:760px;margin:0 auto;position:relative}.ide-overlay-close{position:sticky;top:0;float:right;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);color:var(--text-muted);font-size:1.25rem;line-height:1;padding:.2rem .6rem;cursor:pointer;z-index:1;transition:color .15s,border-color .15s}.ide-overlay-close:hover{color:var(--text);border-color:var(--text-muted)}.ide-overlay-title{font-size:1.5rem;font-weight:700;color:var(--text);margin-bottom:2rem;padding-right:3rem}.ide-overlay-content{font-size:.9rem;line-height:1.7}.ide-overlay-section{margin-bottom:2.5rem}.ide-overlay-section h2{font-size:1.05rem;font-weight:600;color:var(--accent);border-bottom:1px solid var(--border);padding-bottom:.4rem;margin-bottom:1.2rem;letter-spacing:.02em;text-transform:uppercase}.ide-overlay-section h3{font-size:.92rem;font-weight:600;color:var(--text);margin:1.4rem 0 .5rem}.ide-overlay-section p{color:var(--text-muted);margin-bottom:.7rem}.ide-overlay-section p strong,.ide-overlay-section li strong{color:var(--text);font-weight:600}.ide-overlay-section p em{color:var(--text);font-style:italic}.ide-overlay-section ul,.ide-overlay-section ol{color:var(--text-muted);padding-left:1.5rem;margin-bottom:.7rem}.ide-overlay-section li{margin-bottom:.35rem}.ide-overlay-section code{font-family:var(--font-mono);font-size:.85em;background:var(--surface2);border:1px solid var(--border);border-radius:3px;padding:.05em .35em;color:var(--accent2)}.ide-overlay-section kbd{font-family:var(--font-mono);font-size:.82em;background:var(--surface2);border:1px solid var(--border);border-bottom-width:2px;border-radius:4px;padding:.1em .45em;color:var(--text)}.ide-overlay-table{width:100%;border-collapse:collapse;margin:.75rem 0 1rem;font-size:.85rem}.ide-overlay-table th{text-align:left;color:var(--text-muted);font-weight:600;font-size:.78rem;text-transform:uppercase;letter-spacing:.05em;padding:.4rem .75rem;border-bottom:1px solid var(--border)}.ide-overlay-table td{padding:.35rem .75rem;border-bottom:1px solid color-mix(in srgb,var(--border) 50%,transparent);color:var(--text-muted);vertical-align:top}.ide-overlay-table td:first-child{color:var(--text);font-family:var(--font-mono);white-space:nowrap}.ide-overlay-table td.ide-overlay-muted{color:color-mix(in srgb,var(--text-muted) 45%,transparent);font-family:inherit}.ide-overlay-muted{color:color-mix(in srgb,var(--text-muted) 70%,transparent)!important;font-size:.83rem}.ide-overlay-body{display:grid;grid-template-columns:190px 1fr;gap:0 2.5rem;align-items:start}.ide-overlay-toc-sidebar{position:sticky;top:2rem}.ide-overlay-main{min-width:0}.toc{background:var(--surface2);border:1px solid var(--border);border-radius:var(--radius);padding:.85rem 1.1rem .9rem;margin-bottom:0;display:block;width:100%}.toc-heading{font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted);margin:0 0 .6rem}.toc-list,.toc-sublist{list-style:none;padding:0;margin:0}.toc-sublist{padding-left:1rem;margin-top:.15rem;margin-bottom:.2rem}.toc-list>li{margin-bottom:.25rem}.toc-sublist>li{margin-bottom:.15rem}.toc-link{text-decoration:none;display:inline-flex;gap:.3em;transition:color .15s}.toc-link-section{font-size:.82rem;font-weight:600;color:var(--text)}.toc-link-item{font-size:.8rem;color:var(--text-muted)}.toc-link:hover{color:var(--accent)}.toc-index{color:var(--text-muted);font-size:.78rem;min-width:1.8em;flex-shrink:0}@media(max-width:620px){.ide-overlay-body{grid-template-columns:1fr}.ide-overlay-toc-sidebar{position:static}.toc{margin-bottom:1.5rem}}.pr-context-menu{position:fixed;z-index:1000;background:var(--surface);border:1px solid var(--border);border-radius:6px;padding:4px;min-width:130px;box-shadow:0 4px 16px #0006}.pr-context-menu-item{display:block;width:100%;text-align:left;background:none;border:none;color:var(--text);font-size:12px;padding:6px 10px;border-radius:4px;cursor:pointer;font-family:var(--font-sans)}.pr-context-menu-item:hover{background:var(--surface2)}