.gutb-root{--serif:Charter,"Iowan Old Style",Georgia,"Times New Roman",serif;--sans:"Helvetica Neue",Helvetica,"Segoe UI",system-ui,sans-serif;--mono:ui-monospace,"SF Mono",Menlo,Consolas,monospace;min-height:100vh;background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:14px;line-height:1.45}.gutb-root[data-theme=light]{--bg:#EFF3F4;--paper:#FFFFFF;--ink:#18242B;--muted:#5D6E77;--faint:#64737C;--line:#D9E1E5;--linesoft:#E7EDEF;--accent:#006D8A;--accent-text:#006D8A;--accent-soft:#E6EFF2;--amber:#8A5A00;--amber-strong:#93400A;--amber-bg:#F8EFDB;--hover:#F4F7F8;--shadow:0 1px 3px rgba(16,32,40,.08)}.gutb-root[data-theme=dark]{--bg:#0E1519;--paper:#161F25;--ink:#E3EBEF;--muted:#93A5AE;--faint:#687982;--line:#27343C;--linesoft:#1F2B32;--accent:#0086AD;--accent-text:#54B4D2;--accent-soft:#12303A;--amber:#DFB25E;--amber-strong:#E89A5A;--amber-bg:rgba(223,178,94,.10);--hover:#1A252C;--shadow:0 1px 3px rgba(0,0,0,.35)}.gutb-root a{color:var(--accent);text-decoration:none}.gutb-root a:hover{text-decoration:underline}.gutb-root *{box-sizing:border-box}.gutb-root input:focus,.gutb-root textarea:focus{outline:2px solid var(--accent);outline-offset:1px}.gutb-root [role=button]:focus-visible,.gutb-root [role=row]:focus-visible,.gutb-root [tabindex]:focus-visible,.gutb-root a:focus-visible,.gutb-root button:focus-visible,.gutb-root select:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.gutb-sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@keyframes db-pulse{0%,to{opacity:1}50%{opacity:.35}}.gutb-live-dot{animation:db-pulse 2.4s ease-in-out infinite}@media (prefers-reduced-motion:reduce){.gutb-live-dot{animation:none;opacity:1}}.gutb-primary:hover{opacity:.92}.gutb-ghost:hover{color:var(--ink);border-color:var(--muted)}.gutb-navitem:hover,.gutb-soft:hover{background:var(--hover)}.gutb-navitem:hover{color:var(--ink)}.gutb-row:hover{background:var(--hover)}.gutb-chip:hover{border-color:var(--muted);color:var(--ink)}.gutb-dropzone:hover{border-color:var(--accent);background:var(--hover)}