:root{--ink:var(--text,#18181b);--muted:var(--text-2,#71717a);--line:var(--border,#e4e4e7);--panel:var(--surface-2,#fff);--accent:var(--brand-600,#2b6bf6);--accent-soft:var(--brand-50,#eff5ff);--bg:var(--canvas,#fff);--danger:var(--error,#e5484d);--mono:var(--font-mono,"JetBrains Mono", ui-monospace, monospace);--ui:var(--font-body,Inter, system-ui, sans-serif);--rail:60px;--panelw:300px;--plot-1:#2b6bf6;--plot-2:#e5484d;--plot-3:#16a34a;--plot-4:#8e4ec6;--plot-5:#ea580c;--plot-6:#0891b2;--plot-7:#db2777;--plot-8:#ca8a04;--ring:0 0 0 3px #2b6bf659;--r-md:8px}.gc-root{font-family:var(--ui);color:var(--ink);background:var(--bg);border:none;border-radius:0;grid-template-rows:52px 1fr;width:100%;height:100dvh;margin:0;display:grid;position:relative;overflow:hidden}.gc-root *{box-sizing:border-box}.gc-header{border-bottom:1px solid var(--line);background:var(--bg);z-index:20;align-items:center;gap:10px;padding:0 12px;display:flex}.gc-hbtn{cursor:pointer;width:36px;height:36px;color:var(--muted);background:0 0;border:none;border-radius:8px;font-size:18px}.gc-hbtn:hover:not(:disabled){background:var(--panel);color:var(--ink)}.gc-hbtn:disabled{opacity:.35;cursor:default}.gc-brand{letter-spacing:-.2px;align-items:center;gap:8px;font-weight:600;display:flex}.gc-home{height:32px;color:var(--muted);white-space:nowrap;border-radius:8px;flex-shrink:0;align-items:center;gap:2px;padding:0 8px 0 4px;font-size:12px;font-weight:500;text-decoration:none;display:inline-flex}.gc-home svg{flex-shrink:0;width:16px;height:16px}.gc-home:hover{background:var(--panel);color:var(--ink)}.gc-home:focus-visible{outline:2px solid var(--accent,#2b6bf6);outline-offset:1px}@media (width<=720px){.gc-home-label{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.gc-home{justify-content:center;width:36px;height:36px;padding:0}}.gc-glyph{border:2px solid var(--accent);border-radius:6px;width:22px;height:22px;position:relative}.gc-glyph:before,.gc-glyph:after{content:"";background:var(--accent);position:absolute}.gc-glyph:before{width:2px;top:2px;bottom:2px;left:50%;transform:translate(-50%)}.gc-glyph:after{height:2px;top:50%;left:2px;right:2px;transform:translateY(-50%)}.gc-spacer{flex:1}.gc-lang{flex-shrink:0;align-items:center;display:inline-flex}.gc-lang select{appearance:none;border:1px solid var(--line);background:var(--panel);color:var(--ink);font:inherit;cursor:pointer;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M2.5 4.5L6 8l3.5-3.5' fill='none' stroke='%235b616e' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");background-position:right .4rem center;background-repeat:no-repeat;border-radius:8px;max-width:9.5rem;min-height:32px;padding:.35rem 1.6rem .35rem .55rem;font-size:12px;font-weight:500}.gc-lang select:focus-visible{outline:2px solid var(--accent,#2b6bf6);outline-offset:1px}.gc-sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.gc-readout{font-family:var(--mono);color:var(--muted);background:var(--panel);border:1px solid var(--line);text-align:center;border-radius:7px;min-width:150px;padding:5px 10px;font-size:12.5px}.gc-body{grid-template-columns:var(--rail) var(--panelw) 1fr;height:100%;min-height:0;display:grid;position:relative;overflow:hidden}.gc-body.panel-collapsed{grid-template-columns:var(--rail) 0 1fr}.gc-body.panel-collapsed .gc-panel{display:none}.gc-rail{border-right:1px solid var(--line);background:var(--bg);flex-direction:column;padding-top:8px;display:flex}.gc-rail button{cursor:pointer;color:var(--muted);background:0 0;border:none;flex-direction:column;align-items:center;gap:3px;padding:10px 0 8px;font-size:10.5px;display:flex}.gc-rail button svg{width:22px;height:22px}.gc-rail button.active{color:var(--accent)}.gc-rail button.active svg{stroke:var(--accent)}.gc-rail button:hover{background:var(--panel)}.gc-panel{border-right:1px solid var(--line);background:var(--panel);min-width:0;overflow:auto}.gc-rows{padding:8px}.gc-arow{background:var(--bg);border:1px solid var(--line);border-radius:10px;margin-bottom:8px;overflow:hidden}.gc-arow-main{align-items:center;gap:8px;padding:8px;display:flex}.gc-dot{cursor:pointer;border:2px solid #0000;border-radius:50%;flex:none;width:14px;height:14px}.gc-dot.off{border-color:var(--line);background:#fff!important}.gc-expr{min-width:0;font-family:var(--mono);color:var(--ink);background:0 0;border:none;outline:none;flex:1;font-size:16px}.gc-expr::placeholder{color:#aab0bd;font-size:14px}.gc-del{color:#aab0bd;cursor:pointer;background:0 0;border:none;border-radius:6px;min-width:40px;min-height:40px;padding:2px 4px;font-size:16px}.gc-del:hover{color:var(--ink);background:var(--panel)}.gc-arow-tools{flex-wrap:wrap;gap:6px;padding:0 8px 8px 34px;display:flex}.gc-chip{color:var(--muted);background:var(--panel);border:1px solid var(--line);cursor:pointer;user-select:none;border-radius:20px;padding:3px 9px;font-size:11.5px}.gc-chip.active{background:var(--accent);color:#fff;border-color:var(--accent)}.gc-err{color:var(--danger);font-size:11.5px;font-family:var(--mono);padding:0 8px 8px 34px}.gc-srow{align-items:center;gap:8px;padding:4px 10px 8px 34px;display:flex}.gc-srow label{font-family:var(--mono);width:14px;color:var(--accent);font-size:13px}.gc-srow input[type=range]{accent-color:var(--accent);flex:1}.gc-srow .val{font-family:var(--mono);color:var(--muted);text-align:right;width:44px;font-size:12px}.gc-add{color:var(--muted);cursor:pointer;background:0 0;border:1px dashed #c4c9d4;border-radius:10px;width:calc(100% - 16px);margin:2px 8px 12px;padding:9px;font-size:13px}.gc-add:hover{border-color:var(--accent);color:var(--accent)}.gc-tools{padding:12px}.gc-tools h4{text-transform:uppercase;letter-spacing:.05em;color:var(--muted);margin:14px 8px 8px;font-size:11px;font-weight:600}.gc-toolgrid{grid-template-columns:1fr 1fr 1fr;gap:6px;display:grid}.gc-tool{border:1px solid var(--line);background:var(--bg);cursor:pointer;color:var(--muted);text-align:center;border-radius:10px;flex-direction:column;align-items:center;gap:5px;min-height:40px;padding:9px 4px;font-size:10.5px;line-height:1.15;display:flex}.gc-tool svg{width:22px;height:22px;stroke:var(--ink);fill:none;stroke-width:1.6px}.gc-tool:hover{border-color:var(--accent)}.gc-tool.active{border-color:var(--accent);background:var(--accent-soft);color:var(--accent)}.gc-tool.active svg{stroke:var(--accent)}.gc-hint{color:var(--muted);background:var(--bg);border:1px solid var(--line);border-radius:8px;min-height:20px;margin:10px 8px 0;padding:8px 10px;font-size:11.5px;line-height:1.5}.gc-tbl-ctl{color:var(--muted);flex-wrap:wrap;align-items:center;gap:6px;padding:10px;font-size:12px;display:flex}.gc-tbl-ctl select,.gc-tbl-ctl input{font-family:var(--mono);border:1px solid var(--line);background:var(--bg);color:var(--ink);border-radius:6px;padding:4px 6px}.gc-tbl-ctl input{width:52px}.gc-tbl{border-collapse:collapse;width:100%;font-family:var(--mono);font-size:12.5px}.gc-tbl th,.gc-tbl td{border-bottom:1px solid var(--line);text-align:right;padding:5px 12px}.gc-tbl th{color:var(--muted);background:var(--panel);font-weight:500;position:sticky;top:0}.gc-main{flex-direction:column;min-width:0;min-height:0;display:flex;position:relative}.gc-board-host{flex:1;min-height:120px;position:relative;overflow:hidden}.gc-board{background:var(--bg);touch-action:none;width:100%;height:100%}.gc-zoom{z-index:5;flex-direction:column;gap:8px;display:flex;position:absolute;bottom:14px;right:14px}.gc-zoom button{border:1px solid var(--line);background:var(--bg);cursor:pointer;width:40px;height:40px;color:var(--muted);border-radius:50%;font-size:20px;box-shadow:0 1px 3px #14161c1f}.gc-zoom button:hover{color:var(--accent);border-color:var(--accent)}.gc-kbd-toggle{z-index:5;border:1px solid var(--line);background:var(--bg);cursor:pointer;width:44px;height:34px;color:var(--muted);border-radius:8px;position:absolute;bottom:14px;left:14px;box-shadow:0 1px 3px #14161c1f}.gc-kbd-toggle:hover{color:var(--accent);border-color:var(--accent)}.gc-keyboard{background:var(--panel);border-top:1px solid var(--line);flex:none;padding:8px;display:none;position:relative}.gc-keyboard.show{display:block}.gc-kbtabs{justify-content:center;gap:8px;margin-bottom:8px;display:flex}.gc-kbtabs button{font-family:var(--mono);color:var(--muted);cursor:pointer;background:0 0;border:none;border-radius:16px;padding:6px 14px;font-size:13px}.gc-kbtabs button.active{background:var(--accent);color:#fff}.gc-kbclose{color:var(--muted);cursor:pointer;background:0 0;border:none;min-width:40px;min-height:40px;font-size:16px;position:absolute;top:8px;right:10px}.gc-kbgrid{grid-template-columns:repeat(10,1fr);gap:6px;max-width:760px;margin:0 auto;display:grid}.gc-kbgrid button{border:1px solid var(--line);background:var(--bg);cursor:pointer;font-family:var(--mono);color:var(--ink);border-radius:8px;min-height:40px;padding:11px 0;font-size:15px}.gc-kbgrid button:hover{border-color:var(--accent);color:var(--accent)}.gc-scrim{z-index:40;background:#14161c52;display:none;position:absolute;inset:0}.gc-scrim.show{display:block}.gc-drawer{background:var(--bg);border-right:1px solid var(--line);z-index:50;width:280px;transition:transform .2s;position:absolute;top:0;bottom:0;left:0;transform:translate(-100%);box-shadow:2px 0 16px #14161c1f}.gc-drawer.show{transform:none}.gc-dhead{border-bottom:1px solid var(--line);align-items:center;height:52px;padding:0 16px;font-weight:600;display:flex}.gc-ditem{cursor:pointer;color:var(--ink);text-align:left;background:0 0;border:none;align-items:center;gap:12px;width:100%;padding:12px 16px;font-size:14px;display:flex}.gc-ditem:hover{background:var(--panel)}.gc-ditem svg{width:20px;height:20px;stroke:var(--muted);fill:none;stroke-width:1.6px}.gc-dsep{background:var(--line);height:1px;margin:6px 0}.gc-toast{color:#fff;z-index:60;opacity:0;pointer-events:none;background:#2f2f33;border-radius:8px;padding:10px 16px;font-size:13px;transition:all .2s;position:absolute;bottom:20px;left:50%;transform:translate(-50%)translateY(20px)}.gc-toast.show{opacity:1;transform:translate(-50%)}@media (width<=760px){.gc-body{grid-template-columns:var(--rail) 1fr}.gc-panel{left:var(--rail);width:var(--panelw);z-index:15;max-width:78vw;position:absolute;top:0;bottom:0;box-shadow:2px 0 12px #14161c1a}.gc-body.panel-collapsed .gc-panel{display:none}}@media (prefers-reduced-motion:reduce){.gc-drawer,.gc-toast{transition:none!important}}@media print{.gc-header,.gc-rail,.gc-panel,.gc-zoom,.gc-kbd-toggle,.gc-keyboard,.gc-drawer,.gc-scrim,.gc-toast{display:none!important}.gc-root{border:none!important;height:auto!important}.gc-body{grid-template-columns:1fr!important}.gc-board-host,.gc-board{height:70vh!important;min-height:70vh!important}}