:root{color-scheme:light dark;--bg:#f1f4f8;--paper:#fff;--text:#15263e;--muted:#5d6b80;--line:#d6deeb;--blue:#245ee7}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.6 system-ui,-apple-system,"Segoe UI",sans-serif}.setup{max-width:1000px;margin:35px auto;background:var(--paper);padding:40px;border:1px solid var(--line);border-radius:10px}header{display:flex;align-items:center;justify-content:space-between;gap:15px;border-bottom:1px solid var(--line);padding-bottom:20px}header strong{font-size:25px;letter-spacing:.05em}header span{font-size:12px;color:var(--muted)}h1{font-size:29px;margin-bottom:10px}h2{font-size:17px}p{color:var(--muted)}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}label{display:flex;flex-direction:column;font-size:13px;font-weight:600;gap:7px;min-width:0}input,select{font:inherit;color:inherit;background:var(--paper);border:1px solid var(--line);padding:11px 12px;border-radius:5px;width:100%;min-height:43px}input:focus,select:focus{outline:2px solid var(--blue);outline-offset:2px}button,.button{display:inline-flex;align-items:center;justify-content:center;cursor:pointer;background:var(--blue);color:#fff;border:1px solid var(--blue);font:600 14px system-ui;padding:12px 20px;border-radius:5px;text-decoration:none}button:disabled{opacity:.5;cursor:default}.secondary{background:transparent;color:var(--text);border-color:var(--line)}.language-form{display:flex;gap:12px;align-items:end;margin:24px 0}.language-form label{width:160px}.checks{display:flex;flex-wrap:wrap;list-style:none;gap:10px;padding:0;margin:15px 0 28px}.checks li{padding:6px 10px;border:1px solid var(--line);border-radius:4px;font-size:12px}.checks span{margin-right:7px;font-weight:800}.ok span{color:#168255}.bad{color:#be3444}.hint{font-size:12px;align-self:center}.notice{padding:17px 20px;border:1px solid var(--line);border-radius:5px}.error{color:#ac2438;background:#fff1f2;border-color:#e7bac0}.success{background:#eefaf3}footer{font-size:12px;color:var(--muted);margin-top:35px;padding-top:18px;border-top:1px solid var(--line)}@media(prefers-color-scheme:dark){:root{--bg:#0b1423;--paper:#142138;--text:#e9eef8;--muted:#a9b7ce;--line:#334560;--blue:#477ff9}.error{background:#3c1e2a;color:#ffb1be}.success{background:#183c33}}@media(max-width:640px){.setup{margin:12px;padding:22px}.form-grid{grid-template-columns:1fr}header{align-items:start;flex-direction:column}h1{font-size:24px}}