:root{--bg:#eef0f3;--surface:#fff;--surface-sunken:#f7f8fa;--ink:#1f2328;--ink-muted:#667085;--line:#dfe2e6;--line-strong:#c9ced6;--grid-line:#e7e9ec;--header-bg:#f3f4f6;--header-bg-hover:#e9ebef;--header-bg-selected:#dbe7e0;--header-ink:#4b5563;--accent:#107c41;--accent-strong:#0d6836;--accent-soft:#107c4117;--accent-ring:#107c4147;--danger:#b3261e;--focus:#1b73e8;--radius:7px;--shadow-sm:0 1px 2px #1018280f;--shadow-md:0 4px 14px #1018281a;--font:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--mono:ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--ink);font-family:var(--font);-webkit-font-smoothing:antialiased;text-rendering:optimizelegibility;font-size:13px}body.is-resizing{cursor:col-resize;-webkit-user-select:none;user-select:none}.visually-hidden{clip:rect(0 0 0 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.app{background:var(--surface);flex-direction:column;height:100%;display:flex}.app__header{border-bottom:1px solid var(--line);background:linear-gradient(#fff 0%,#fbfcfd 100%);justify-content:space-between;align-items:center;gap:16px;padding:10px 16px;display:flex}.brand{align-items:center;gap:11px;display:flex}.brand__mark{background:var(--accent);color:#fff;width:30px;height:30px;box-shadow:var(--shadow-sm);border-radius:8px;place-items:center;font-size:15px;display:grid}.brand__title{letter-spacing:-.01em;margin:0;font-size:14px;font-weight:650}.brand__subtitle{color:var(--ink-muted);margin:1px 0 0;font-size:11.5px}.app__hint{color:var(--ink-muted);font-size:11.5px}kbd{font-family:var(--mono);border:1px solid var(--line-strong);background:var(--surface-sunken);color:var(--ink);border-bottom-width:2px;border-radius:4px;padding:1px 5px;font-size:10.5px}.app__grid{border-top:1px solid var(--line);flex:1;min-height:0;position:relative}.toolbar{background:var(--surface);border-bottom:1px solid var(--line);flex-wrap:wrap;align-items:center;gap:6px;padding:7px 12px;display:flex}.toolbar__group{align-items:center;gap:3px;display:flex}.toolbar__divider{background:var(--line);width:1px;height:20px;margin:0 5px}.toolbar__spacer{flex:1}.tool{min-width:28px;height:28px;color:var(--ink);font:inherit;cursor:pointer;background:0 0;border:1px solid #0000;border-radius:6px;place-items:center;padding:0 6px;font-size:12.5px;transition:background 90ms,border-color 90ms,color 90ms;display:inline-grid}.tool svg{width:16px;height:16px}.tool:hover:not(:disabled){background:var(--surface-sunken);border-color:var(--line)}.tool:active:not(:disabled){background:#eceef1}.tool:disabled{color:#b6bcc5;cursor:default}.tool.is-active{background:var(--accent-soft);border-color:var(--accent-ring);color:var(--accent-strong)}.tool--text{font-variant-numeric:tabular-nums;font-size:13px}.tool--label{color:var(--ink-muted);padding:0 10px;font-size:12px}.tool--label:hover{color:var(--ink)}.tool:focus-visible,.swatch:focus-visible,.select:focus-visible,.grid__select-all:focus-visible{outline:2px solid var(--focus);outline-offset:1px}.swatches{border:1px solid var(--line);background:var(--surface);border-radius:6px;align-items:center;gap:3px;padding:2px 5px;display:flex}.swatches__label{color:var(--ink-muted);margin-right:2px;font-size:12px;font-weight:650}.swatches__label--fill{font-size:11px}.swatch{cursor:pointer;border:1px solid #00000024;border-radius:4px;width:15px;height:15px;padding:0;transition:transform 90ms,box-shadow 90ms}.swatch:hover{box-shadow:var(--shadow-sm);transform:translateY(-1px)}.swatch.is-active{box-shadow:0 0 0 2px var(--accent-ring)}.swatch--none{background:#fff;position:relative}.swatch--none:after{content:"";background:linear-gradient(to bottom right, transparent calc(50% - 1px), var(--danger) calc(50% - 1px), var(--danger) calc(50% + 1px), transparent calc(50% + 1px));position:absolute;inset:1px}.field{align-items:center;gap:6px;display:flex}.field__label{color:var(--ink-muted);font-size:11.5px}.select{border:1px solid var(--line);background:var(--surface) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M3 4.5 6 8l3-3.5' fill='none' stroke='%23667085' stroke-width='1.4' stroke-linecap='round'/%3E%3C/svg%3E") no-repeat right 6px center/12px;height:28px;color:var(--ink);font:inherit;appearance:none;cursor:pointer;border-radius:6px;padding:0 24px 0 8px;font-size:12.5px}.select:hover{border-color:var(--line-strong)}.formula-bar{background:var(--surface);border-bottom:1px solid var(--line);align-items:stretch;height:32px;display:flex}.formula-bar__name{border-right:1px solid var(--line);font-variant-numeric:tabular-nums;width:120px;color:var(--ink);background:var(--surface-sunken);place-items:center;font-size:12px;font-weight:600;display:grid}.formula-bar__fx{border-right:1px solid var(--line);width:34px;color:var(--ink-muted);place-items:center;font-family:Times New Roman,serif;font-size:13px;font-style:italic;display:grid}.formula-bar__input{min-width:0;font-family:var(--mono);color:var(--ink);background:0 0;border:0;outline:none;flex:1;padding:0 10px;font-size:12.5px}.formula-bar__input::placeholder{color:#a6adb8;font-family:var(--font)}.formula-bar:focus-within{box-shadow:inset 0 0 0 2px var(--accent-ring)}.grid{background:var(--surface);-webkit-user-select:none;user-select:none;outline:none;width:100%;height:100%;position:relative;overflow:hidden}.grid__corner{z-index:4;background:var(--header-bg);border-right:1px solid var(--line-strong);border-bottom:1px solid var(--line-strong);position:absolute;top:0;left:0}.grid__select-all{background:linear-gradient(135deg, transparent 50%, var(--line-strong) 50%);cursor:pointer;border:none;border-radius:2px;width:13px;height:13px;padding:0;position:absolute;bottom:3px;right:3px}.grid__select-all:hover{background:linear-gradient(135deg, transparent 50%, var(--header-ink) 50%)}.grid__col-headers{z-index:3;background:var(--header-bg);border-bottom:1px solid var(--line-strong);position:absolute;top:0;right:0;overflow:hidden}.grid__row-headers{z-index:3;background:var(--header-bg);border-right:1px solid var(--line-strong);position:absolute;bottom:0;left:0;overflow:hidden}.grid__body{overscroll-behavior:contain;position:absolute;bottom:0;right:0;overflow:auto}.grid__canvas{cursor:cell;position:relative}.headers{width:100%;height:100%;position:relative;overflow:hidden}.headers__track{will-change:transform;height:100%;position:relative}.headers--row .headers__track{width:100%}.header{font-variant-numeric:tabular-nums;color:var(--header-ink);background:var(--header-bg);cursor:pointer;-webkit-user-select:none;user-select:none;place-items:center;font-size:11.5px;font-weight:550;display:grid;position:absolute}.header--col{border-right:1px solid var(--line);height:100%;top:0}.header--row{border-bottom:1px solid var(--line);width:100%;left:0}.header:hover{background:var(--header-bg-hover);color:var(--ink)}.header--selected{background:var(--header-bg-selected);color:var(--accent-strong)}.header--active{background:var(--accent);color:#fff}.header__resize{z-index:2;position:absolute}.header__resize--col{cursor:col-resize;width:7px;height:100%;top:0;right:-3px}.header__resize--row{cursor:row-resize;width:100%;height:7px;bottom:-3px;left:0}.header__resize:hover{background:var(--accent-ring)}.cell{border-right:1px solid var(--grid-line);border-bottom:1px solid var(--grid-line);color:var(--ink);contain:layout style;align-items:center;padding:0 6px;font-size:13px;line-height:1.2;display:flex;position:absolute}.cell__text{white-space:nowrap;text-overflow:ellipsis;font-variant-numeric:tabular-nums;flex:none;display:block;overflow:hidden}.cell--selected:after{content:"";background:var(--accent-soft);pointer-events:none;position:absolute;inset:0}.cell--active:after{display:none}.cell--error .cell__text{color:var(--danger);font-weight:550}.overlay{pointer-events:none;position:absolute}.overlay--selection{border:1px solid var(--accent);box-shadow:0 0 0 1px #107c4126}.overlay--active{border:2px solid var(--accent);border-radius:1px}.overlay--fill{border:1px dashed var(--accent-strong);background:#107c410d}.overlay--clipboard{border:1.5px dashed var(--accent-strong);animation:.9s linear infinite marching}@keyframes marching{to{border-color:#0d683659}}.resize-guide{background:var(--accent);opacity:.7;pointer-events:none;z-index:5;position:absolute}.fill-handle{background:var(--accent);cursor:crosshair;z-index:6;border:1.5px solid #fff;border-radius:2px;width:9px;height:9px;position:absolute;box-shadow:0 1px 2px #00000040}.fill-handle:hover{transform:scale(1.15)}.cell-editor{z-index:7;border:2px solid var(--accent);font-family:var(--font);color:var(--ink);box-shadow:var(--shadow-md);background:#fff;outline:none;padding:0 5px;font-size:13px;position:absolute}.status-bar{background:var(--surface-sunken);border-top:1px solid var(--line);height:28px;color:var(--ink-muted);justify-content:space-between;align-items:center;gap:16px;padding:0 14px;font-size:11.5px;display:flex}.status-bar__left,.status-bar__right{align-items:center;gap:14px;display:flex}.status-bar__chip{font-variant-numeric:tabular-nums;color:var(--ink);font-weight:600}.status-bar__muted{color:var(--ink-muted)}.status-bar__message{color:var(--accent-strong);font-weight:550}.status-bar strong{color:var(--ink);font-variant-numeric:tabular-nums;font-weight:600}@media (width<=900px){.app__hint,.field__label{display:none}}