:root{--ils-green: #004b23;--ils-green-dark: #00330f;--ils-gold: #ffc20e;--bg: #f7f7f5;--card: #ffffff;--border: #e2e2dd;--ink: #1c1e1b;--muted: #6b6f68;--danger: #b3261e;font-family:Montserrat,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;color:var(--ink)}*{box-sizing:border-box}body{margin:0;background:var(--bg);-webkit-tap-highlight-color:transparent;text-size-adjust:100%;-webkit-text-size-adjust:100%}h1,h2{font-family:Poppins,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-weight:700;margin:0}button{font-family:inherit;font-size:1rem;min-height:48px;-webkit-appearance:none;border:1.5px solid var(--ils-green);background:#fff;color:var(--ils-green);border-radius:10px;padding:10px 18px;cursor:pointer}button.primary{background:var(--ils-green);color:#fff}button:disabled{opacity:.5;cursor:default}.centered-screen{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}.card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:32px;max-width:420px;text-align:center;box-shadow:0 6px 24px #0000000f}.card p{color:var(--muted);line-height:1.5}.error-text{color:var(--danger)}.app-shell{min-height:100vh}.topbar{background:var(--ils-green);color:#fff;padding:16px 24px;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px}.topbar h1{color:#fff;font-size:1.4rem}.user-info{display:flex;align-items:center;gap:12px;font-size:.9rem}.user-info button{color:#fff;border-color:#ffffff80;background:transparent;min-height:36px;padding:6px 14px;font-size:.85rem}main{max-width:900px;margin:0 auto;padding:40px 24px}.activity-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px}.activity-card{display:block;background:var(--card);border:1.5px solid var(--border);border-radius:14px;padding:28px;text-decoration:none;color:var(--ink);transition:transform .12s ease,box-shadow .12s ease,border-color .12s ease}.activity-card:hover{border-color:var(--ils-green);box-shadow:0 8px 24px #004b231f;transform:translateY(-2px)}.activity-emoji{font-size:2.5rem;margin-bottom:8px}.activity-card h2{font-size:1.15rem;margin-bottom:6px}.activity-card p{color:var(--muted);font-size:.9rem;margin:0}