:root{--bg:#f5f6f8;--surface:#fff;--border:#d9dce1;--text:#1c1f24;--text-muted:#6b7280;--accent:#0d9488;--accent-contrast:#fff;--error-bg:#fdeceb;--error-border:#e5534b;--error-text:#8a1f16;--sans:system-ui, "Segoe UI", Roboto, sans-serif;--mono:ui-monospace, Consolas, monospace;font:15px/1.5 var(--sans);--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}:root[data-theme=dark]{--bg:#14161a;--surface:#1b1e24;--border:#2e333c;--text:#e6e8eb;--text-muted:#9aa1ac;--accent:#2dd4bf;--accent-contrast:#0b1220;--error-bg:#3a1c1c;--error-border:#e5534b;--error-text:#ffb4ac;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);min-height:100vh;margin:0}#root{min-height:100vh}.site-header{align-items:center;gap:10px;margin-bottom:12px;display:flex}.site-header__brand{color:var(--accent);white-space:nowrap;font-size:15px;font-weight:700;text-decoration:none}.site-header__brand:hover{text-decoration:underline}.site-header__divider{color:var(--text-muted);font-weight:400}.site-header__title{color:var(--text-muted);white-space:nowrap;font-size:15px;font-weight:600}.toolbar-spacer{flex:1}.btn,.toggle-btn{border:1px solid var(--border);background:var(--surface);color:var(--text);cursor:pointer;border-radius:6px;padding:6px 12px;font-size:13px}.btn:hover,.toggle-btn:hover{border-color:var(--accent)}.btn:disabled{opacity:.5;cursor:not-allowed}.icon-btn{padding:6px 10px}.app{max-width:1100px;min-height:100%;margin:0 auto;padding:24px 24px 40px}.app-header{margin-bottom:16px}.app-subtitle{color:var(--text-muted);margin:0;font-size:14px}.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}.input-label{color:var(--text-muted);margin-bottom:6px;font-size:13px;font-weight:500;display:block}.paste-panel{margin-bottom:16px}.paste-row{align-items:flex-start;gap:8px;display:flex}.paste-textarea{resize:vertical;border:1px solid var(--border);min-height:70px;font-family:var(--mono);background:var(--surface);color:var(--text);border-radius:8px;flex:1;padding:10px;font-size:13px;line-height:1.5}.paste-textarea:focus{border-color:var(--accent);outline:none}.error-banner{background:var(--error-bg);border:1px solid var(--error-border);color:var(--error-text);border-radius:8px;margin-top:8px;padding:8px 12px;font-size:13px}.toolbar{background:var(--surface);border:1px solid var(--border);border-radius:8px;align-items:center;gap:8px;margin-bottom:8px;padding:8px 12px;display:flex}.grid-scroll{margin-bottom:20px;overflow-x:auto}.table-grid{border-collapse:separate;border-spacing:6px;width:100%}.table-grid th,.table-grid td{text-align:left;vertical-align:top;padding:0}.grid-header-cell{background:var(--surface);border:1px solid var(--border);border-radius:8px;flex-direction:column;gap:4px;padding:6px;display:flex}.grid-input{border:1px solid var(--border);width:100%;min-width:100px;font-size:13px;font-family:var(--mono);background:var(--surface);color:var(--text);border-radius:6px;padding:6px 8px}.grid-input:focus{border-color:var(--accent);outline:none}.grid-input--header{font-weight:600}.align-toggle{gap:2px;display:flex}.align-btn{border:1px solid var(--border);background:var(--surface);color:var(--text-muted);cursor:pointer;border-radius:4px;flex:1;padding:2px 4px;font-size:12px}.align-btn.active{background:var(--accent);border-color:var(--accent);color:var(--accent-contrast)}.grid-remove-col,.grid-remove-row-cell .btn{align-self:flex-end}.grid-add-col-cell,.grid-remove-row-cell{white-space:nowrap;vertical-align:middle;width:1%}td.grid-remove-row-cell{padding-top:6px}.pane{background:var(--surface);border:1px solid var(--border);border-radius:8px;overflow:hidden}.pane-header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:8px 12px;font-size:13px;font-weight:500;display:flex}.output-pre{font-family:var(--mono);white-space:pre;margin:0;padding:12px;font-size:13px;line-height:1.5;overflow:auto}