:root{--bg-color: #121214;--text-main: #ffffff;--font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif}body{margin:0;font-family:var(--font-family);background-color:var(--bg-color);color:var(--text-main);-webkit-font-smoothing:antialiased}h1,h2,h3{margin:0 0 16px;font-weight:700}.alarm-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#ff453a;z-index:9999;display:flex;flex-direction:column;align-items:center;justify-content:center;color:#fff;padding:20px;text-align:center}.alarm-time{font-size:80px;font-weight:800;line-height:1;margin-bottom:20px}