*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;background:#1a1a1a;color:#fff;overflow:hidden}#app{width:100vw;height:100vh;display:flex;flex-direction:column}#day-selector-container{position:absolute;top:20px;right:20px;z-index:1000;background:#000000b3;padding:10px 15px;border-radius:8px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}#day-selector{background:#2a2a2a;color:#fff;border:1px solid #444;border-radius:4px;padding:8px 12px;font-size:14px;cursor:pointer;outline:none;transition:border-color .2s}#day-selector:hover{border-color:#666}#day-selector:focus{border-color:#888}#p5-container{position:absolute;top:0;left:0;width:100vw;height:100vh;z-index:1}#p5-container canvas{display:block}#start-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:#000000d9;display:flex;align-items:center;justify-content:center;z-index:2000;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);transition:opacity .5s ease,visibility .5s}#start-overlay.hidden{opacity:0;visibility:hidden}.overlay-content{text-align:center;animation:fadeIn 1s ease-out}.overlay-content h1{font-size:3rem;font-weight:200;letter-spacing:.5rem;margin-bottom:2rem;color:#f33;text-shadow:0 0 20px rgba(255,51,51,.5)}#start-button{background:transparent;color:#fff;border:2px solid #ffffff;padding:15px 40px;font-size:1.2rem;letter-spacing:.2rem;cursor:pointer;transition:all .3s ease;margin-bottom:1.5rem}#start-button:hover{background:#fff;color:#000;box-shadow:0 0 30px #fff6}.overlay-content p{font-size:.9rem;color:#888;letter-spacing:.1rem;text-transform:uppercase}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}