h1,h2,h3,h4,h5,h6,p{margin:0}p:last-child{margin-bottom:0}ul{margin:0;padding:0;list-style:none}a{color:currentColor;text-decoration:none}button{cursor:pointer}img{display:block;max-width:100%;height:auto}:root{font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif;font-size:16px;line-height:1.5;font-weight:400;color:#242424;background-color:#ffffffde;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;-webkit-text-size-adjust:100%}body{display:flex;flex-direction:column;min-width:100vw;min-height:100vh;margin:0}main{flex-grow:1}main:has(.back-link){text-align:center}.container{min-width:320px;max-width:375px;margin:0 auto;padding:0 16px}@media only screen and (min-width: 768px){.container{max-width:768px}}@media only screen and (min-width: 1200px){.container{max-width:1200px}}body{font-family:Montserrat,sans-serif;background:#f5f5f5;margin:0;padding:40px}.page{max-width:600px;margin:0 auto}h1{margin-bottom:24px}a{display:inline-block;margin-bottom:20px;text-decoration:none;color:#4e75ff}.timer-container{max-width:400px}#datetime-picker{width:272px;height:40px;padding:8px 16px;border:1px solid #808080;border-radius:4px;font-size:16px;outline:none;transition:border .2s ease}#datetime-picker:hover{border-color:#000}#datetime-picker:focus{border-color:#4e75ff}button[data-start]{width:75px;height:40px;margin-left:8px;border:none;border-radius:8px;background-color:#4e75ff;color:#fff;font-size:16px;font-weight:500;cursor:pointer;transition:background-color .2s ease}button[data-start]:hover{background-color:#6c8cff}button[data-start]:disabled{background-color:#cfcfcf;cursor:not-allowed}.timer{display:flex;gap:24px;margin-top:32px}.field{display:flex;flex-direction:column;align-items:center}.value{font-size:40px;font-weight:600;line-height:1.2;color:#2e2f42}.label{font-size:14px;text-transform:uppercase;color:#2e2f42}