:root{--bg:#0b0d12;--card:#141821;--line:#232a36;--txt:#e9edf3;--mut:#8b95a7;--acc:#25d366;--acc2:#1877f2;--err:#ff5d5d}*{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:inherit}main{max-width:860px;margin:0 auto;padding:24px 16px 64px}.top{display:flex;justify-content:space-between;align-items:center;padding:14px 20px;border-bottom:1px solid var(--line)}.top nav a{margin-left:16px;color:var(--mut)}.brand,.top nav a{text-decoration:none}.brand{font-weight:800;font-size:20px;letter-spacing:.5px}.brand span{color:var(--acc)}.foot{text-align:center;color:var(--mut);font-size:13px;padding:24px}h1{font-size:30px;line-height:1.2;margin:18px 0 8px}h2{font-size:20px;margin:28px 0 10px}.mut{color:var(--mut)}.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px;margin:16px 0}.btn{display:inline-flex;align-items:center;gap:8px;border:0;border-radius:10px;padding:12px 20px;font-weight:700;font-size:15px;cursor:pointer;background:var(--acc2);color:#fff}.btn.wa{background:var(--acc);color:#062b14}.btn.ghost{background:transparent;border:1px solid var(--line);color:var(--txt)}.btn:disabled{opacity:.5;cursor:not-allowed}.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}input,select,textarea{width:100%;background:#0f1218;color:var(--txt);border:1px solid var(--line);border-radius:8px;padding:10px;font:inherit}label{display:block;font-size:13px;color:var(--mut);margin:10px 0 4px}.steps li{margin:6px 0}.ok{color:var(--acc)}.bad{color:var(--err)}pre{background:#0f1218;border:1px solid var(--line);border-radius:8px;padding:12px;overflow:auto;font-size:12px;max-height:360px}.legal li,.legal p{color:#c9d1dc}