:root{--primary:#2563eb;--primary-hover:#1d4ed8;--bg-dark:#0f172a;--bg-card:#1e293b;--text-main:#f8fafc;--text-muted:#94a3b8;--accent:#38bdf8;--error:#ef4444;--success:#10b981}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,-apple-system,sans-serif;background-color:var(--bg-dark);color:var(--text-main);line-height:1.5}a{color:inherit;text-decoration:none}.glass{background:rgba(30,41,59,.7);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid hsla(0,0%,100%,.1)}.container{max-width:1200px;margin:0 auto;padding:0 1rem}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.75rem 1.5rem;border-radius:.5rem;font-weight:600;cursor:pointer;transition:all .2s;border:none;font-size:1rem}.btn-primary{background-color:var(--primary);color:#fff}.btn-primary:hover{background-color:var(--primary-hover);transform:translateY(-1px)}.card{background-color:var(--bg-card);border-radius:1rem;padding:1.5rem;box-shadow:0 4px 6px -1px rgba(0,0,0,.1),0 2px 4px -1px rgba(0,0,0,.06)}.input-group{margin-bottom:1.25rem}.input-label{display:block;font-size:.875rem;font-weight:500;margin-bottom:.5rem;color:var(--text-muted)}.input-field{width:100%;padding:.75rem 1rem;background-color:var(--bg-dark);border:1px solid hsla(0,0%,100%,.1);border-radius:.5rem;color:#fff;transition:border-color .2s}.input-field:focus{outline:none;border-color:var(--primary)}.grid{display:grid;grid-gap:1.5rem;gap:1.5rem}@media (min-width:768px){.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}}