:root{--atc-bg:#fff;--atc-surface:#f6f8fa;--atc-surface-2:#eef1f4;--atc-border:#d9dee3;--atc-text:#1b1f24;--atc-muted:#62707d;--atc-primary:#2f6feb;--atc-primary-hover:#2456bf;--atc-danger:#cf222e;--atc-danger-bg:#fff1f0;--atc-success:#1a7f37;--atc-success-bg:#ecfdf1;--atc-radius:10px;--atc-radius-sm:7px;--atc-shadow:0 1px 2px #1018280d,0 1px 3px #1018280f;--atc-font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Vazirmatn,Tahoma,Arial,sans-serif;--atc-mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace}@media (prefers-color-scheme:dark){:root{--atc-bg:#0d1117;--atc-surface:#161b22;--atc-surface-2:#1c2229;--atc-border:#30363d;--atc-text:#e6edf3;--atc-muted:#8b949e;--atc-primary:#4c8dff;--atc-primary-hover:#79aaff;--atc-danger:#ff7b72;--atc-danger-bg:#2a1315;--atc-success:#3fb950;--atc-success-bg:#0f2a17;--atc-shadow:0 1px 2px #0000004d,0 1px 3px #00000059}}.atc-widget{font-family:var(--atc-font);color:var(--atc-text);background:var(--atc-bg);border:1px solid var(--atc-border);border-radius:var(--atc-radius);box-sizing:border-box;width:100%;max-width:1080px;box-shadow:var(--atc-shadow);direction:ltr;overflow:hidden}.atc-widget *{box-sizing:border-box}.atc-main{grid-template-columns:1.15fr 1fr;align-items:stretch;height:560px;display:grid}.atc-pane{flex-direction:column;min-width:0;min-height:0;display:flex}.atc-pane-code{border-right:1px solid var(--atc-border)}@media (width<=720px){.atc-main{grid-template-columns:1fr;height:auto}.atc-pane-code{border-right:none;border-bottom:1px solid var(--atc-border)}.atc-pane-code .atc-editor-wrap{height:260px}.atc-pane-output .atc-output{height:220px}}.atc-tabs{background:var(--atc-surface);border-bottom:1px solid var(--atc-border);flex:none;gap:4px;padding:8px 8px 0;display:flex}.atc-tab{appearance:none;color:var(--atc-muted);font:inherit;cursor:pointer;background:#fff0;border:none;border-radius:8px 8px 0 0;padding:8px 14px;font-size:13px;font-weight:600}.atc-tab:hover{color:var(--atc-text)}.atc-tab:focus-visible,.atc-btn:focus-visible{outline:2px solid var(--atc-primary);outline-offset:1px}.atc-tab[aria-selected=true]{color:var(--atc-primary);background:var(--atc-bg);border:1px solid var(--atc-border);border-bottom-color:var(--atc-bg);margin-bottom:-1px}.atc-editor-wrap{font-family:var(--atc-mono);background:var(--atc-bg);flex:auto;min-height:0;font-size:13px;line-height:1.55;display:flex;overflow:auto}.atc-gutter{user-select:none;text-align:right;color:var(--atc-muted);background:var(--atc-surface);border-right:1px solid var(--atc-border);white-space:pre;flex:none;padding:12px 8px}.atc-textarea{resize:none;color:var(--atc-text);font:inherit;white-space:pre;overflow-wrap:normal;background:#fff0;border:none;outline:none;flex:1;min-height:220px;padding:12px}.atc-input-panel{border-top:1px solid var(--atc-border);background:var(--atc-surface);flex:none;padding:8px 12px}.atc-input-panel[hidden]{display:none}.atc-input-label{letter-spacing:.03em;text-transform:uppercase;color:var(--atc-muted);justify-content:space-between;align-items:center;margin-bottom:6px;font-size:11px;font-weight:700;display:flex}.atc-input-hint{text-transform:none;letter-spacing:normal;font-weight:400}.atc-input-textarea{resize:vertical;border:1px solid var(--atc-border);border-radius:var(--atc-radius-sm);background:var(--atc-bg);width:100%;height:64px;color:var(--atc-text);font-family:var(--atc-mono);outline:none;padding:8px;font-size:12.5px}.atc-input-textarea:focus{border-color:var(--atc-primary)}.atc-toolbar{background:var(--atc-surface);border-top:1px solid var(--atc-border);flex-wrap:wrap;flex:none;align-items:center;gap:6px;padding:10px 12px;display:flex}.atc-btn{appearance:none;border:1px solid var(--atc-border);background:var(--atc-bg);color:var(--atc-text);font:inherit;border-radius:var(--atc-radius-sm);cursor:pointer;align-items:center;gap:6px;padding:7px 12px;font-size:13px;font-weight:600;transition:background-color .12s,border-color .12s;display:inline-flex}.atc-icon{flex:none;display:inline-flex}.atc-btn svg{flex:none;width:14px;height:14px}.atc-btn:hover{background:var(--atc-surface-2)}.atc-btn:disabled{opacity:.55;cursor:not-allowed}.atc-btn-primary{background:var(--atc-primary);border-color:var(--atc-primary);color:#fff}.atc-btn-primary:hover{background:var(--atc-primary-hover)}.atc-btn-danger{background:var(--atc-danger);border-color:var(--atc-danger);color:#fff}.atc-btn-danger:hover{opacity:.9}.atc-btn[aria-pressed=true]{background:var(--atc-primary);border-color:var(--atc-primary);color:#fff}.atc-status{color:var(--atc-muted);white-space:nowrap;margin-left:auto;font-size:12px}.atc-output-header{letter-spacing:.02em;text-transform:uppercase;color:var(--atc-muted);background:var(--atc-surface);border-bottom:1px solid var(--atc-border);flex:none;justify-content:space-between;align-items:center;padding:9px 12px;font-size:12px;font-weight:700;display:flex}.atc-output{background:var(--atc-bg);flex:auto;min-height:0;overflow:auto}.atc-output pre{font-family:var(--atc-mono);white-space:pre-wrap;word-break:break-word;margin:0;padding:12px;font-size:13px}.atc-stdout{color:var(--atc-text)}.atc-stderr{color:var(--atc-danger);background:var(--atc-danger-bg)}.atc-output-placeholder{color:var(--atc-muted);padding:12px;font-size:13px;font-style:italic}.atc-meta{color:var(--atc-muted);border-top:1px solid var(--atc-border);background:var(--atc-surface);flex:none;padding:7px 12px;font-size:12px}.atc-meta .atc-ok{color:var(--atc-success)}.atc-meta .atc-fail{color:var(--atc-danger)}.atc-toast{color:var(--atc-success);background:var(--atc-success-bg);white-space:nowrap;border-radius:999px;padding:3px 8px;font-size:11.5px;font-weight:600}