@font-face{font-family:L10Bold;src:url(./fonts/L10-Bold.woff) format("woff");font-weight:700;font-style:bold}body{font-family:L10Bold,sans-serif;margin:0;padding:0;background-color:#1a1a1a;color:#fff}.container{max-width:1200px;margin:0 auto;padding:2rem}h1{text-align:center;margin-bottom:2rem;font-size:2.5rem;color:#fff}.challenges-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:1.5rem;padding:1rem}.challenge-card{background-color:#2a2a2a;border-radius:10px;padding:1.5rem;transition:transform .3s,box-shadow .3s;cursor:pointer;text-decoration:none;color:#fff}.challenge-card:hover{transform:translateY(-5px);box-shadow:0 5px 15px #fff3}.challenge-day{font-size:1.5rem;margin:0;color:#fff}.challenge-prompt{margin:.5rem 0;font-size:1rem;color:#ccc}.challenge-status{font-size:.9rem;color:#666}.completed{border:2px solid #ffffff}.challenge-credit{font-size:.8rem;color:#888;font-style:italic;margin:.3rem 0}