:root{--bg:#0d0b1a;--card:#17142b;--line:#2c2750;--txt:#ece9ff;--mut:#a29cc8;--acc:#f2b84b;--pur:#7c5cff;--bad:#ff6b6b;--ok:#46d39a}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--txt);font:15px/1.55 system-ui,-apple-system,Segoe UI,Roboto,sans-serif}a{color:var(--acc)}header{display:flex;gap:18px;align-items:center;padding:14px 24px;border-bottom:1px solid var(--line);flex-wrap:wrap}header .brand{font-weight:700;color:var(--txt);text-decoration:none;margin-right:auto}main{max-width:1050px;margin:0 auto;padding:24px}.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:18px;margin:12px 0}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));grid-gap:14px;gap:14px}input,select,textarea{width:100%;padding:9px 11px;border-radius:8px;border:1px solid var(--line);background:#0f0d20;color:var(--txt);margin:4px 0 10px}.btn,button{background:var(--pur);color:#fff;border:0;border-radius:8px;padding:9px 16px;cursor:pointer;font-weight:600;text-decoration:none;display:inline-block}button.sec{background:#2c2750}button.warn{background:#a33}button:disabled{opacity:.5}.mut{color:var(--mut)}.err{color:var(--bad)}.ok{color:var(--ok)}.badge{display:inline-block;padding:2px 8px;border-radius:99px;background:#2c2750;font-size:12px;margin-right:6px}.demo{background:#5a3b00;color:#ffd58a}table{width:100%;border-collapse:collapse}td,th{padding:7px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top;font-size:14px}.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}code{background:#0f0d20;padding:2px 6px;border-radius:5px}.test{border:2px dashed var(--acc);padding:10px;border-radius:10px}