*{box-sizing:border-box}
:root{--bg:#f3f5f8;--card:#fff;--text:#16181d;--sub:#667085;--blue:#0d6efd;--blue-soft:#eef2ff;--shadow:0 12px 34px rgba(0,0,0,.08);--border:#d0d5dd;--danger:#b42318;--danger-bg:#fff1f2;--danger-border:#fecdca}
body{margin:0;font-family:'Nunito',sans-serif;background:var(--bg);color:var(--text);display:grid;place-items:center;min-height:100vh;padding:1rem}
.wrap{width:min(920px,100%);display:grid;grid-template-columns:1.1fr .9fr;gap:1rem}
.hero,.card{background:var(--card);border-radius:22px;box-shadow:var(--shadow)}
.hero{padding:2rem}.card{padding:1.25rem}
h1{margin:0 0 .5rem;font-size:2rem}.sub{color:var(--sub);line-height:1.5}.pill{display:inline-flex;gap:.5rem;align-items:center;padding:.35rem .8rem;border-radius:999px;background:var(--blue-soft);color:#2949d3;font-weight:800;font-size:.85rem;margin-bottom:1rem}
.tabs{display:flex;gap:.5rem;margin-bottom:1rem}.tab{flex:1;border:none;border-radius:12px;padding:.85rem 1rem;font-weight:800;background:#eef1f5;cursor:pointer;min-height:44px}.tab.active{background:#111827;color:#fff}
.panel{display:none}.panel.active{display:block}
.field{margin-bottom:.8rem}.field label{display:block;font-size:.82rem;font-weight:800;margin-bottom:.35rem;color:#475467}.field input{width:100%;border:1px solid var(--border);border-radius:12px;padding:.85rem .9rem;font:inherit;min-height:44px}
.btn{width:100%;border:none;border-radius:12px;padding:.95rem 1rem;font:inherit;font-weight:900;background:var(--blue);color:#fff;cursor:pointer;min-height:44px}
.error{background:var(--danger-bg);color:var(--danger);border:1px solid var(--danger-border);border-radius:12px;padding:.8rem .9rem;margin-bottom:1rem;font-weight:700}
.help{margin:-.2rem 0 .9rem;color:var(--sub);font-size:.85rem;font-weight:700}
ul{padding-left:1.1rem;color:var(--sub);line-height:1.55}
@media (min-width:768px) and (max-width:1199px){.wrap{grid-template-columns:1fr}.hero{padding:1.7rem}}
@media (max-width:767px){.wrap{grid-template-columns:1fr}.hero,.card{padding:1.1rem}h1{font-size:1.7rem}}