.datepicker-calendar{position:absolute;background:white;border:1px solid #ccc;padding:10px;z-index:9999;box-shadow:0 4px 8px rgba(0,0,0,.1);display:none;font-family:sans-serif;}.datepicker-nav{display:flex;justify-content:space-between;align-items:center;margin-bottom:5px;}.datepicker-nav button{background:none;border:none;font-size:16px;cursor:pointer;}.datepicker-weekdays{display:grid;grid-template-columns:repeat(7,1fr);text-align:center;font-weight:bold;margin-bottom:4px;}.datepicker-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:4px;text-align:center;margin-bottom:6px;}.datepicker-grid button{border:none;background:#f0f0f0;padding:4px;cursor:pointer;}.datepicker-grid button:hover{background:#cce;}.datepicker-footer{text-align:center;}.datepicker-footer .today-btn{background:#007bff;color:white;padding:4px 8px;border:none;cursor:pointer;border-radius:3px;}.datepicker-footer .today-btn:hover{background:#0056b3;}.datepicker-grid button.selected{background-color:#007bff;color:white;}.datepicker-grid button.selected:hover{background-color:#0056b3;}