:root{--green:#2e9e4f;--green-dark:#1f7a3a;--green-soft:#eaf6ee;--mint:#d9f0e2;--ink:#16382e;--text:#2f4a41;--muted:#6b8077;--card:#fff;--bg:#f7fbf8;--highlight:#fdf3c8;--danger-soft:#fdeaea;--radius:16px;--shadow:0 2px 12px #16382e14}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);margin:0;font-family:Noto Sans,Noto Sans Sinhala,system-ui,-apple-system,Segoe UI,sans-serif;font-size:17px;line-height:1.55}h1,h2,h3{color:var(--ink);line-height:1.25}button{font:inherit;cursor:pointer}.btn{background:var(--green);color:#fff;box-shadow:var(--shadow);border:none;border-radius:999px;align-items:center;gap:.5rem;padding:.85rem 1.8rem;font-size:1.05rem;font-weight:600;transition:background .3s;display:inline-flex}.btn:hover{background:var(--green-dark)}.btn:disabled{opacity:.5;cursor:default}.btn-secondary{background:var(--green-soft);color:var(--green-dark)}.btn-secondary:hover{background:var(--mint)}.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:1.25rem}@media (prefers-reduced-motion:no-preference){.fade-in{animation:.6s both fadeIn}@keyframes fadeIn{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}}