:root{--bg-main:#f0efe9;--bg-card:#fff;--bg-accent:#0f3d3e;--text-main:#1e2328;--text-muted:#5a6772;--danger:#b42929;--ok:#165d31;--line:#d3d9df;--input:#f8fafc}*{box-sizing:border-box}body{margin:0;font-family:IBM Plex Sans,Segoe UI,sans-serif;color:var(--text-main);background:radial-gradient(circle at 20% -10%,#f4dcbf 0,transparent 45%),radial-gradient(circle at 80% 0,#d4ece4 0,transparent 35%),var(--bg-main);min-height:100vh}main{width:min(980px,92vw);margin:40px auto}.card{background:var(--bg-card);border:1px solid var(--line);border-radius:14px;box-shadow:0 12px 40px rgba(15,38,45,.08)}button,input{font:inherit}button{cursor:pointer}@keyframes fade-up{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.reveal{animation:fade-up .35s ease-out both}