:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media (prefers-color-scheme: light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}body{margin:0;padding:0;background-color:#fff}.calendar-container{max-width:800px;margin:0 auto;padding:3rem;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background-color:#fff;min-height:100vh;display:flex;flex-direction:column;justify-content:center;align-items:center}.calendar-container h1{text-align:center;color:#212529;margin-bottom:.5rem;font-weight:600;font-size:2rem}.calendar-container p{text-align:center;color:#6c757d;margin-bottom:2rem;font-size:1rem}.date-picker{background:#fff;border:1px solid #dee2e6;border-radius:12px;padding:3rem;display:flex;flex-direction:column;gap:2.5rem;box-shadow:0 4px 12px #0000000d;width:600px;align-items:center}.month-section{display:flex;align-items:flex-start;gap:2rem;justify-content:center;width:100%}.month-section label{font-weight:500;color:#495057;min-width:100px;margin-top:1rem;font-size:1.1rem}.dropdown-container{position:relative;width:350px}.dropdown-header{display:flex;justify-content:space-between;align-items:center;padding:1rem 1.5rem;border:1px solid #ced4da;border-radius:6px;background-color:#fff;cursor:pointer;font-size:1rem;transition:border-color .15s ease-in-out}.dropdown-header:hover{border-color:#86b7fe}.dropdown-arrow{color:#6c757d;font-size:.8rem}.dropdown-content{position:absolute;top:100%;left:0;right:0;z-index:1000;background:#fff;border:1px solid #ced4da;border-top:none;border-radius:0 0 6px 6px;box-shadow:0 4px 12px #0000001a}.month-grid{display:flex;background-color:#fff;width:100%}.month-column{flex:1;border-right:1px solid #e9ecef}.month-column:last-child{border-right:none}.month-cell{padding:8px 12px;cursor:pointer;border-bottom:1px solid #f8f9fa;font-size:.85rem;background-color:#fff;color:#495057;transition:background-color .15s ease}.month-cell:hover{background-color:#f8f9fa}.month-cell.selected{background-color:#0d6efd;color:#fff}.day-section{display:flex;align-items:center;gap:2rem;justify-content:center;width:100%}.day-section label{font-weight:500;color:#495057;min-width:100px;font-size:1.1rem}.day-input{display:flex;align-items:center;gap:.5rem}.day-input input{width:80px;padding:1rem;border:1px solid #ced4da;border-radius:6px;font-size:1rem;text-align:center;transition:border-color .15s ease-in-out}.day-input input:focus{outline:none;border-color:#86b7fe;box-shadow:0 0 0 .2rem #0d6efd40}.spinner{display:flex;flex-direction:column;gap:1px}.spinner button{background:#f8f9fa;border:1px solid #ced4da;width:24px;height:18px;cursor:pointer;font-size:10px;display:flex;align-items:center;justify-content:center;transition:background-color .15s ease}.spinner button:hover{background:#e9ecef}.spinner button:first-child{border-radius:3px 3px 0 0}.spinner button:last-child{border-radius:0 0 3px 3px}.year-section{display:flex;align-items:center;gap:2rem;justify-content:center;width:100%}.year-section label{font-weight:500;color:#495057;min-width:100px;font-size:1.1rem}.year-input{display:flex;align-items:center;gap:1rem}.year-slider{width:300px;height:8px;border-radius:4px;background:#e9ecef;outline:none;-webkit-appearance:none}.year-slider::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:20px;height:20px;border-radius:50%;background:#0d6efd;cursor:pointer;transition:background .15s ease}.year-slider::-webkit-slider-thumb:hover{background:#0b5ed7}.year-slider::-moz-range-thumb{width:20px;height:20px;border-radius:50%;background:#0d6efd;cursor:pointer;border:none;transition:background .15s ease}.year-slider::-moz-range-thumb:hover{background:#0b5ed7}.year-display{font-weight:600;color:#495057;min-width:50px;text-align:center;font-size:.9rem}.selected-date{margin-top:2rem;padding:1.5rem;background:#f8f9fa;border-radius:8px;border:1px solid #e9ecef;text-align:center}.selected-date h3{margin:0 0 1rem;color:#495057;font-weight:500;font-size:1.1rem}.date-display{margin:0;font-size:1.25rem;color:#212529;font-weight:600}.twitter-button{display:inline-block;background:#1da1f2;color:#fff;text-decoration:none;padding:.75rem 1.5rem;border-radius:8px;font-weight:500;font-size:.9rem;transition:background-color .15s ease;margin-top:1rem}.twitter-button:hover{background:#1a91da;text-decoration:none;color:#fff}