:root{--ed-bg:#1e1e1e;--ed-panel:#252526;--ed-chrome:#333;--ed-tab:#2d2d2d;--ed-border:#3c3c3c;--ed-border-soft:#2b2b2b;--ed-text:#d4d4d4;--ed-muted:#9d9d9d;--ed-dim:#858585;--ed-accent:#007acc;--ed-accent-hover:#17b;--ed-blue:#569cd6;--ed-teal:#4ec9b0;--ed-orange:#ce9178;--ed-yellow:#dcdcaa;--ed-green:#6a9955;--ed-purple:#c586c0;--ed-red:#f48771;--ed-selection:#264f78;--ed-gutter:#858585;--ed-active-line:#2a2d2e}.app-frame{background:var(--ed-bg);color:var(--ed-text);border:1px solid #262626;border-radius:12px;position:relative;overflow:hidden;box-shadow:inset 0 1px #ffffff0f,0 28px 64px -28px #00000073,0 4px 12px #00000014}.app-titlebar{background:var(--ed-chrome);border-bottom:1px solid var(--ed-border-soft);-webkit-user-select:none;user-select:none;align-items:center;gap:12px;height:44px;padding:0 8px 0 12px;display:flex}.app-dots{flex:none;gap:6px;display:flex}.app-dots span{background:#4d4d4d;border-radius:999px;width:10px;height:10px}.app-dots span:first-child{background:#ff5f57}.app-dots span:nth-child(2){background:#febc2e}.app-dots span:nth-child(3){background:#28c840}.app-file{min-width:0;color:var(--ed-muted);align-items:center;gap:8px;font-size:12px;display:flex}.app-file strong{color:var(--ed-text);font-weight:400;font-family:var(--font-mono);font-size:12px}.app-file .dirty{background:var(--ed-muted);border-radius:999px;width:7px;height:7px}.app-actions{align-items:center;gap:6px;margin-left:auto;display:flex}.tb-btn{color:#ccc;height:28px;font-size:12px;font-family:var(--font-sans);white-space:nowrap;cursor:pointer;background:0 0;border:1px solid #0000;border-radius:4px;justify-content:center;align-items:center;gap:6px;padding:0 9px;transition:background-color .12s,color .12s,border-color .12s;display:inline-flex}.tb-btn:hover{color:#fff;background:#3c3c3c}.tb-btn:focus-visible{outline-offset:-1px;outline:1px solid #fff}.tb-btn[aria-expanded=true]{color:#fff;background:#3c3c3c}.tb-btn.icon-only{width:28px;padding:0}.tb-run{background:var(--ed-accent);color:#fff;border-color:var(--ed-accent);padding:0 12px}.tb-run:hover{background:var(--ed-accent-hover);border-color:var(--ed-accent-hover);color:#fff}.tb-run kbd{font-family:var(--font-mono);opacity:.7;font-size:9px}.tb-stop{color:#fcc;background:#5a1d1d;border-color:#6e2525}.tb-stop:hover{color:#fff;background:#6e2525}.tb-viz{color:#ded4f0;background:#2a2537;border-color:#3f3752}.tb-viz:hover{color:#fff;background:#382f4c;border-color:#5d4c7d}.tb-viz svg{color:#c39aec}.app-grid{grid-template-columns:minmax(0, var(--editor-width,54%)) 6px minmax(0, 1fr);background:var(--ed-bg);height:min(820px,80vh);min-height:560px;display:grid}.editor-col{background:var(--ed-bg);flex-direction:column;min-width:0;min-height:0;display:flex}.editor-head{background:var(--ed-panel);border-bottom:1px solid var(--ed-border-soft);height:34px;color:var(--ed-muted);flex:none;justify-content:space-between;align-items:center;gap:12px;padding:0 12px;font-size:11px;display:flex}.editor-head .tab{background:var(--ed-bg);height:34px;color:var(--ed-text);font-family:var(--font-mono);border-right:1px solid var(--ed-border-soft);border-top:1px solid var(--ed-accent);align-items:center;gap:7px;margin-left:-12px;padding:0 12px;font-size:11px;display:inline-flex}.editor-head .head-action{appearance:none;color:var(--ed-dim);font-family:var(--font-sans);cursor:pointer;white-space:nowrap;background:0 0;border:0;align-items:center;gap:5px;padding:0 4px;font-size:11px;display:inline-flex}.editor-head .head-action:hover{color:var(--ed-text)}.py-dot{background:linear-gradient(135deg,#ffd43b 0 50%,#4b8bbe 50% 100%);border-radius:999px;width:7px;height:7px}.editor-mount{flex:1;min-height:0;font-size:14px;overflow:hidden}.editor-mount .cm-editor{height:100%}.editor-mount .cm-scroller{overflow:auto}.splitter{background:var(--ed-border-soft);cursor:col-resize;touch-action:none;position:relative}.editor-mount .cm-viz-line{background:#7e57c233;box-shadow:inset 2px 0 #9b6fe8}.splitter:after{content:"";position:absolute;inset:0 -4px}.splitter:hover,.splitter:focus-visible,.splitter[data-dragging=true]{background:var(--ed-accent)}.output-col{background:var(--ed-bg);border-left:1px solid var(--ed-border-soft);flex-direction:column;min-width:0;min-height:0;display:flex}.tabbar{background:var(--ed-panel);border-bottom:1px solid var(--ed-border-soft);scrollbar-width:thin;flex:none;align-items:stretch;height:34px;display:flex;overflow-x:auto}.tabbar button{appearance:none;color:var(--ed-muted);font-family:var(--font-sans);cursor:pointer;white-space:nowrap;background:0 0;border:0;border-top:1px solid #0000;align-items:center;gap:6px;padding:0 12px;font-size:11px;display:inline-flex}.tabbar button:hover{color:var(--ed-text)}.tabbar button[aria-selected=true]{color:var(--ed-text);background:var(--ed-bg);border-top-color:var(--ed-accent)}.tabbar .tab-spacer{flex:1;min-width:8px}.tabbar .tab-action{color:var(--ed-dim);padding:0 9px}.tabbar .tab-action:hover{color:var(--ed-text)}.tab-count{color:#ddd;min-width:15px;height:15px;font-family:var(--font-mono);background:#3c3c3c;border-radius:999px;place-items:center;padding:0 4px;font-size:9px;display:inline-grid}.tab-count:empty{display:none}.panels{flex:1;min-height:0;position:relative}.panel{position:absolute;inset:0;overflow:auto}.panel[hidden],.console:empty{display:none}.console{background:var(--ed-bg);color:#ccc;min-height:100%;font-family:var(--font-mono);white-space:pre-wrap;overflow-wrap:anywhere;tab-size:4;margin:0;padding:12px 14px 20px;font-size:12.5px;line-height:1.6}.console .out{color:#ccc}.console .err{color:var(--ed-red)}.console .meta{color:var(--ed-dim)}.console .ok{color:var(--ed-teal)}.console-empty{color:var(--ed-dim);flex-direction:column;align-items:flex-start;gap:6px;padding:18px 16px;font-size:12px;line-height:1.6;display:flex}.console-empty strong{color:var(--ed-text);font-weight:500}.console-empty kbd{border:1px solid var(--ed-border);color:#ddd;background:#2a2a2a;border-radius:4px;padding:1px 5px;font-size:10px}.error-card{border:1px solid #5a1d1d;border-left:3px solid var(--ed-red);font-family:var(--font-sans);color:#f0d0d0;background:#2a1d1d;border-radius:6px;margin:4px 0 14px;padding:10px 12px;font-size:12px;line-height:1.5}.error-card .error-name{font-family:var(--font-mono);color:var(--ed-red);font-size:12px;font-weight:600;display:block}.error-card .error-message{color:#e8c4c4;margin-top:2px}.error-card .error-hint{color:#d7c3a4;margin-top:8px}.error-card .error-actions{flex-wrap:wrap;gap:8px;margin-top:10px;display:flex}.error-card button,.error-card summary{cursor:pointer;color:#fff;font-size:11px;font-family:var(--font-sans);background:#5a1d1d;border:1px solid #6e2525;border-radius:4px;padding:3px 8px}.error-card summary{margin-top:10px;list-style:none;display:inline-block}.error-card details pre{color:#d0b0b0;white-space:pre-wrap;overflow-wrap:anywhere;background:#1e1e1e;border-radius:4px;margin:8px 0 0;padding:8px;font-size:11px;line-height:1.5}.stdin-inline{border:1px solid var(--ed-accent);color:#d4d4d4;width:min(260px,60%);height:22px;font-family:var(--font-mono);vertical-align:baseline;background:#1e1e1e;border-radius:4px;outline:none;margin:0 4px 2px;padding:0 8px;font-size:12.5px;display:inline-block}.stdin-inline:focus{border-color:#fff}.vars-list{flex-direction:column;display:flex}.var-row{font-family:var(--font-mono);border-bottom:1px solid #2a2a2a;grid-template-columns:minmax(90px,.8fr) minmax(70px,.6fr) minmax(0,1.6fr);gap:10px;padding:7px 14px;font-size:11.5px;line-height:1.4;display:grid}.var-row.head{color:var(--ed-dim);font-family:var(--font-sans);text-transform:uppercase;letter-spacing:.06em;background:#232323;font-size:10px;position:sticky;top:0}.var-name{color:var(--ed-blue);text-overflow:ellipsis;overflow:hidden}.var-type{color:var(--ed-teal)}.var-value{color:var(--ed-orange);overflow-wrap:anywhere}.panel-empty{color:var(--ed-dim);padding:18px 16px;font-size:12px;line-height:1.6}.plots{gap:12px;padding:14px;display:grid}.plots figure{border:1px solid var(--ed-border);background:#fff;border-radius:6px;margin:0;overflow:hidden}.plots img{width:100%;height:auto;display:block}.plots figcaption{color:#444;font-family:var(--font-mono);background:#f6f6f6;padding:6px 10px;font-size:10px}.statusbar{background:var(--ed-accent);color:#fff;flex:none;align-items:center;gap:14px;height:26px;padding:0 10px;font-size:11px;line-height:1;display:flex;overflow:hidden}.statusbar .status-item{white-space:nowrap;align-items:center;gap:5px;display:inline-flex}.statusbar .grow{flex:1}.statusbar .state-dot{background:#8fd3ff;border-radius:999px;width:7px;height:7px}.statusbar .state-dot.loading{background:#ffd479;animation:1s ease-in-out infinite pulse}.statusbar .state-dot.running{background:#a8ffca;animation:1s ease-in-out infinite pulse}.statusbar .state-dot.error{background:#ff9a9a}.panel-viz{flex-direction:column;display:flex;overflow:hidden}.viz-empty{color:var(--ed-dim);flex-direction:column;align-items:flex-start;gap:7px;padding:20px 16px;font-size:12px;line-height:1.6;display:flex}.viz-empty strong{color:var(--ed-text);font-weight:500}.viz-empty p{margin:0}.viz-issue{border:1px solid #5a1d1d;border-left:3px solid var(--ed-red);color:#f0d0d0;overflow-wrap:anywhere;background:#2a1d1d;border-radius:6px;margin-top:8px;padding:8px 12px;font-size:11.5px;line-height:1.5}.viz-loading{color:var(--ed-muted);align-items:center;gap:10px;padding:20px 16px;font-size:12px;display:flex}.viz-spinner{border:2px solid #4d4d4d;border-top-color:var(--ed-accent);border-radius:999px;flex:none;width:14px;height:14px;animation:.8s linear infinite viz-spin}@keyframes viz-spin{to{transform:rotate(1turn)}}.viz{flex-direction:column;flex:1;min-height:0;display:flex}.viz-head{border-bottom:1px solid var(--ed-border-soft);background:#232323;flex:none;padding:10px 14px}.viz-head-row{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.viz-badge{color:#9cc9f5;letter-spacing:.07em;text-transform:uppercase;background:#2c3949;border:1px solid #3b4c62;border-radius:3px;flex:none;padding:2px 7px;font-size:9.5px;font-weight:500}.viz-badge[data-kind=call]{color:#7fd6b2;background:#233d33;border-color:#2f5c4d}.viz-badge[data-kind=return]{color:#e3c37a;background:#3d3323;border-color:#5c4d2f}.viz-badge[data-kind=done]{color:var(--ed-muted);background:#2b2b2b;border-color:#333}.viz-step{font-family:var(--font-mono);color:var(--ed-dim);font-size:10.5px}.viz-note{color:#e0b072;margin-left:auto;font-size:10px}.viz-title{color:var(--ed-text);margin:9px 0 0;font-size:13px;font-weight:600}.viz-source{color:#d7d7d7;font-family:var(--font-mono);white-space:pre-wrap;overflow-wrap:anywhere;background:#1b1b1b;border:1px solid #2b2b2b;border-radius:4px;margin-top:6px;padding:6px 9px;font-size:11.5px;line-height:1.5;display:block}.viz-detail{color:var(--ed-muted);flex-wrap:wrap;align-items:baseline;gap:0 6px;min-height:1.2em;margin:8px 0 0;font-size:11.5px;line-height:1.5;display:flex}.viz-detail .viz-var-name{color:var(--ed-blue);font-family:var(--font-mono);font-size:11px}.viz-detail .viz-value{color:#b5cea8;font-family:var(--font-mono);overflow-wrap:anywhere;font-size:11px}.viz-detail .viz-new-badge{color:#ffd479;font-family:var(--font-mono);text-transform:uppercase;letter-spacing:.06em;vertical-align:1px;background:#46351a;border-radius:3px;padding:0 5px;font-size:8.5px}.viz-stack{flex-wrap:wrap;align-items:center;gap:4px;margin-top:9px;display:flex}.viz-stack span{color:var(--ed-muted);font-family:var(--font-mono);background:#2b2b2b;border:1px solid #333;border-radius:3px;padding:1px 5px;font-size:9.5px}.viz-stack span:last-child{color:#fff;background:#31414f;border-color:#3b4c62}.viz-body{flex-direction:column;flex:1;min-height:0;display:flex;overflow:auto}.viz-section{border-bottom:1px solid var(--ed-border-soft)}.viz-label{z-index:1;font-family:var(--font-sans);text-transform:uppercase;letter-spacing:.07em;color:var(--ed-dim);background:#212121;align-items:center;gap:7px;margin:0;padding:7px 14px;font-size:9.5px;font-weight:500;display:flex;position:sticky;top:0}.viz-vars .var-row{grid-template-columns:minmax(80px,.9fr) minmax(60px,.6fr) minmax(0,1.5fr);padding:6px 14px}.viz-vars .var-row.is-changed{background:#7e57c224;box-shadow:inset 2px 0 #9b6fe8}.viz-output{color:#ccc;min-height:56px;max-height:190px;font-family:var(--font-mono);white-space:pre-wrap;overflow-wrap:anywhere;tab-size:4;margin:0;padding:10px 14px 12px;font-size:11.5px;line-height:1.55;overflow:auto}.viz-output:empty:before{content:"(nothing printed yet)";color:var(--ed-dim);font-size:10.5px}.viz-error-card{border:1px solid #5a1d1d;border-left:3px solid var(--ed-red);color:#f0d0d0;font-family:var(--font-sans);background:#2a1d1d;border-radius:6px;gap:2px;margin:0 14px 12px;padding:8px 10px;font-size:11px;line-height:1.5;display:grid}.viz-error-card strong{color:var(--ed-red);font-size:11px}.viz-error-card span{overflow-wrap:anywhere}.viz-controls{background:var(--ed-panel);border-bottom:1px solid var(--ed-border-soft);flex:none;align-items:center;gap:8px;padding:7px 10px;display:flex}.viz-buttons{flex:none;gap:4px;display:flex}.viz-btn{color:#ddd;cursor:pointer;background:#2f2f2f;border:1px solid #3c3c3c;border-radius:4px;place-items:center;width:26px;height:26px;padding:0;transition:background-color .12s,color .12s,opacity .12s;display:grid}.viz-btn:hover:not(:disabled){color:#fff;background:#3c3c3c}.viz-btn:disabled{opacity:.35;cursor:default}.viz-btn:focus-visible{outline-offset:-1px;outline:1px solid #fff}.viz-btn.viz-play{background:var(--ed-accent);border-color:var(--ed-accent);color:#fff}.viz-btn.viz-play:hover:not(:disabled){background:var(--ed-accent-hover);border-color:var(--ed-accent-hover)}.viz-play span{place-items:center;display:grid}.viz-scrub{min-width:56px;height:18px;accent-color:var(--ed-accent);cursor:pointer;flex:1}.viz-input{border-bottom:1px solid var(--ed-border-soft);color:#e4d8f5;background:#2a2437;flex-wrap:wrap;align-items:center;gap:6px 8px;padding:7px 12px;font-size:11.5px;display:flex}.viz-input-label{color:#d9c8f2;flex:none;font-weight:500}.viz-input-prompt{font-family:var(--font-mono);color:#c3b1e6;overflow-wrap:anywhere;font-size:11px}.viz-input-field{border:1px solid var(--ed-accent);color:#d4d4d4;width:min(220px,50%);height:24px;font-family:var(--font-mono);background:#1e1e1e;border-radius:4px;outline:none;flex:none;padding:0 8px;font-size:12px}.viz-input-field:focus{border-color:#fff}.viz-input-note{color:var(--ed-muted);margin-left:auto;font-size:10.5px}.viz-progress{text-align:right;min-width:54px;font-family:var(--font-mono);color:var(--ed-muted);white-space:nowrap;flex:none;font-size:10.5px}.viz-speed{flex:none;display:inline-flex}.viz-speed select{color:#fff;height:24px;font-family:var(--font-sans);cursor:pointer;background:#3c3c3c;border:1px solid #3c3c3c;border-radius:4px;padding:0 4px;font-size:10.5px}@keyframes pulse{0%,to{opacity:1}50%{opacity:.35}}.app-toast{z-index:60;opacity:0;pointer-events:none;color:#fff;text-align:center;background:#171717;border:1px solid #333;border-radius:999px;max-width:calc(100vw - 32px);padding:8px 14px;font-size:12px;transition:opacity .16s,transform .16s;position:fixed;bottom:24px;left:50%;transform:translate(-50%,12px);box-shadow:0 12px 32px -8px #00000080}.app-toast[data-show=true]{opacity:1;pointer-events:auto;transform:translate(-50%)}.app-toast .toast-action{appearance:none;color:#7dd3fc;cursor:pointer;background:0 0;border:0;margin-left:10px;padding:0;font-family:inherit;font-size:12px;font-weight:600}.app-toast .toast-action:hover{text-decoration:underline}.app-dialog{border:1px solid var(--ed-border);background:var(--ed-panel);width:min(560px,100vw - 32px);max-height:min(640px,100vh - 48px);color:var(--ed-text);border-radius:10px;padding:0;overflow:hidden;box-shadow:0 32px 80px -20px #0009}.app-dialog::backdrop{-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);background:#0000008c}.dialog-head{border-bottom:1px solid var(--ed-border-soft);background:var(--ed-chrome);justify-content:space-between;align-items:center;gap:16px;padding:12px 14px;display:flex}.dialog-head h2{color:#fff;margin:0;font-size:13px;font-weight:500}.dialog-body{max-height:min(520px,100vh - 150px);padding:14px;overflow:auto}.dialog-close{appearance:none;color:var(--ed-muted);cursor:pointer;background:0 0;border:0;border-radius:4px;place-items:center;padding:4px;display:grid}.dialog-close:hover{color:#fff;background:#3c3c3c}.stdin-wrap{flex-direction:column;height:100%;display:flex}.stdin-help{color:var(--ed-dim);padding:10px 14px 0;font-size:11px;line-height:1.5}.stdin-help code{color:var(--ed-muted);font-family:var(--font-mono);font-size:inherit}.stdin-box{resize:none;color:#ccc;width:100%;min-height:140px;font-family:var(--font-mono);tab-size:4;background:0 0;border:0;outline:none;flex:1;padding:10px 14px 18px;font-size:16px;line-height:1.6}.stdin-box::placeholder{color:#6d6d6d}.stdin-box:focus-visible{outline:1px solid var(--ed-accent);outline-offset:-1px}.stdin-fields{display:none}.stdin-fields-mode .stdin-fields{flex-direction:column;flex:1;gap:2px;min-height:0;padding:8px 14px 18px;display:flex;overflow:auto}.stdin-fields-mode .stdin-box{display:none}.stdin-fields-mode .stdin-help{padding-bottom:10px}.stdin-field{border-bottom:1px solid #2a2a2a;align-items:center;gap:10px;min-height:44px;display:flex}.stdin-fields-mode .stdin-fields .stdin-field-input:focus{background:#7e8ccb1f;outline:none}.stdin-field-label{text-overflow:ellipsis;white-space:nowrap;min-width:0;max-width:55%;color:var(--ed-muted);font-family:var(--font-mono);flex:none;font-size:11.5px;overflow:hidden}.stdin-field-input{color:#d4d4d4;min-width:0;font-family:var(--font-mono);background:0 0;border:0;outline:none;flex:1;padding:10px 0;font-size:16px}.stdin-fields-mode .stdin-add{align-self:flex-start;margin-top:10px}.field{border-bottom:1px solid #2f2f2f;justify-content:space-between;align-items:center;gap:16px;padding:10px 0;display:flex}.field:last-of-type{border-bottom:0}.field label{color:var(--ed-text);font-size:12px}.field .hint{color:var(--ed-dim);margin-top:2px;font-size:10.5px;display:block}.field select,.field input[type=number]{border:1px solid var(--ed-border);color:#fff;background:#3c3c3c;border-radius:4px;min-width:96px;height:28px;padding:0 8px;font-size:12px}.examples-list{gap:6px;display:grid}.example-item{text-align:left;width:100%;color:var(--ed-text);cursor:pointer;font-family:var(--font-sans);background:0 0;border:1px solid #0000;border-radius:6px;align-items:center;gap:10px;padding:8px 10px;font-size:12px;display:flex}.example-item:hover{border-color:var(--ed-border);background:#2f2f2f}.example-item .cat{font-family:var(--font-mono);color:var(--ed-dim);margin-left:auto;font-size:10px}.example-item .title{color:#fff;font-weight:500}.example-item .desc{color:var(--ed-dim);margin-top:1px;font-size:10.5px;display:block}@media (width<=860px){.app-grid{grid-template-columns:1fr;height:auto;min-height:0}.splitter{display:none}.editor-col{height:clamp(280px,52dvh,420px)}.output-col{border-left:0;border-top:1px solid var(--ed-border-soft);height:clamp(260px,48dvh,400px)}.app-actions .hide-mobile,.editor-head .hide-mobile,.app-file .runtime-label{display:none}.var-row{grid-template-columns:minmax(70px,1fr) minmax(0,1.4fr)}.var-type,.statusbar .hide-mobile{display:none}.stdin-inline{vertical-align:middle;width:min(280px,55%);height:30px;font-size:16px}.viz-input-field{width:min(240px,50%);height:32px;font-size:16px}.viz-controls{flex-flow:column wrap;align-items:stretch;gap:6px 10px}.viz-progress{display:none}.viz-scrub{flex:none;width:100%}.viz-speed{align-self:flex-end}}@media (width<=560px){.app-titlebar{gap:8px;height:42px;padding-inline:8px}.app-dots{display:none}.app-file{gap:6px}.app-file>svg{display:none}.app-file strong{text-overflow:ellipsis;white-space:nowrap;max-width:56px;overflow:hidden}.app-actions{gap:3px}.tb-btn.icon-only{width:26px}.editor-col{height:clamp(260px,50dvh,370px)}.output-col{height:clamp(240px,46dvh,360px)}.tabbar button{gap:4px;padding:0 8px}.statusbar{gap:10px}.console{padding:10px 12px 16px}.tb-btn{padding:0 7px}.tb-run kbd{display:none}}@media (width<=380px){.app-file{display:none}}