:root{--background:#fff;--foreground:#1a1a1a;--primary:#0f172a;--primary-foreground:#fff;--secondary:#f1f5f9;--secondary-foreground:#334155;--accent:#0ea5e9;--accent-foreground:#fff;--border:#e2e8f0;--input:#e2e8f0;--ring:#94a3b8;--success:#10b981;--error:#ef4444;--font-sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol";--radius:.5rem;--container-width:800px}*{box-sizing:border-box;margin:0;padding:0}html,body{max-width:100vw;height:100%;overflow-x:hidden}body{background:var(--background);color:var(--foreground);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;line-height:1.6}a{color:inherit;text-decoration:none}.container{width:100%;max-width:var(--container-width);margin:0 auto;padding:2rem 1rem}.screen-center{text-align:center;flex-direction:column;justify-content:center;align-items:center;min-height:100vh;display:flex}h1{letter-spacing:-.025em;margin-bottom:1rem;font-size:2.5rem;font-weight:700;line-height:1.2}h2{letter-spacing:-.025em;margin-bottom:.75rem;font-size:1.75rem;font-weight:600}p{color:#64748b;margin-bottom:1.5rem;font-size:1.125rem}.btn{border-radius:var(--radius);cursor:pointer;border:1px solid #0000;justify-content:center;align-items:center;width:auto;padding:.75rem 1.5rem;font-size:1rem;font-weight:500;transition:all .2s;display:inline-flex}.btn-primary{background-color:var(--primary);color:var(--primary-foreground);box-shadow:0 4px 6px -1px #0000001a,0 2px 4px -1px #0000000f}.btn-primary:hover{background-color:#1e293b;transform:translateY(-1px)}.btn-outline{border-color:var(--border);color:var(--foreground);background-color:#0000}.btn-outline:hover{background-color:var(--secondary)}.card{border:1px solid var(--border);border-radius:var(--radius);background:#fff;width:100%;padding:2rem;box-shadow:0 1px 3px #0000001a,0 1px 2px #0000000f}.input{border:1px solid var(--border);border-radius:var(--radius);background-color:#fff;width:100%;margin-bottom:1rem;padding:.75rem;font-size:1rem;transition:border-color .2s,box-shadow .2s;display:block}.input:focus{border-color:var(--accent);outline:none;box-shadow:0 0 0 3px #0ea5e933}textarea.input{resize:vertical;min-height:120px}label{color:var(--foreground);text-align:left;margin-bottom:.5rem;font-weight:500;display:block}