body{font-family:Montserrat,sans-serif;background-color:#f5f5f5;padding:24px}.nav-link{display:flex;gap:12px;margin-bottom:24px;margin-right:32px;color:#4e75ff;text-decoration:none;font-size:24px;font-weight:800}.back-link{display:inline-block;margin-bottom:24px;margin-right:32px;color:#4e75ff;text-decoration:none;font-size:14px;font-weight:500}.controls{display:flex;gap:8px;margin-bottom:32px}input#datetime-picker{width:312px;max-height:40px;padding:8px 16px;border:1px solid #eeeeee;border-radius:8px;font-size:16px;outline:none;transition:border-color .3s}input#datetime-picker:hover{border-color:#000}button[data-start]{height:40px;padding:8px 16px;background-color:#4e75ff;color:#fff;border:none;border-radius:8px;font-weight:500;cursor:pointer;transition:background-color .3s}button[data-start]:disabled{background-color:#cfcfcf;color:#989898;cursor:not-allowed}button[data-start]:hover:not(:disabled){background-color:#6c8cff}.timer{display:flex;gap:12px}.field{width:72px;flex-direction:column;align-items:center;padding:12px;background-color:#ebeced;border-radius:12px}.value{display:flex;justify-content:center;font-size:40px;font-weight:600;line-height:1.2;color:#2e2f42;margin-bottom:4px}.label{display:flex;justify-content:center;font-size:10px;font-weight:400;text-transform:uppercase;color:#2e2f42}.form{margin-top:20px;display:flex;flex-direction:column;gap:24px;width:300px}.form label{display:flex;flex-direction:column;font-size:16px;gap:8px}.delay-input{padding:8px 16px;border:1px solid #eeeeee;border-radius:8px;font-size:16px;outline:none;transition:border-color .3s}fieldset{border:1px solid #eeeeee;border-radius:8px;padding:10px;display:flex;gap:32px}fieldset .radio-item{display:inline-block;margin:8px}fieldset .radio-item input{margin-right:8px}button[type=submit]{padding:12px;background-color:#4e75ff;color:#fff;border:none;border-radius:8px}button[type=submit]:hover{background-color:#6c8cff}