.picker-container{position:relative;width:100%}.picker-input{width:100%;padding:15px 20px;font-size:18px;border:2px solid #e0e0e0;border-radius:12px;outline:none;transition:all .3s;background:#f8f9fa;cursor:pointer;font-family:Segoe UI,sans-serif;color:#333}.picker-input:focus{border-color:#667eea;box-shadow:0 0 0 3px #667eea1a}.picker-input:hover{border-color:#764ba2}.calendar-popup{position:absolute;top:calc(100% + 10px);left:0;width:350px;background:#fff;border-radius:16px;box-shadow:0 10px 40px #0003;z-index:1000;overflow:hidden;animation:slideDown .3s ease}@keyframes slideDown{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.calendar-header{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;padding:20px}.selected-date-large{font-size:24px;font-weight:700;margin-bottom:5px;font-family:Segoe UI,sans-serif;line-height:1.4}.selected-date-small{font-size:14px;opacity:.9}.calendar-nav{display:flex;justify-content:space-between;align-items:center;padding:15px;background:#f8f9fa;border-bottom:1px solid #e0e0e0}.nav-button{background:none;border:none;font-size:20px;cursor:pointer;padding:8px 15px;border-radius:8px;transition:all .2s;color:#667eea}.nav-button:hover{background:#e0e0e0;color:#764ba2}.nav-title{font-size:18px;font-weight:600;color:#333;cursor:pointer;padding:5px 15px;border-radius:8px}.nav-title:hover{background:#e0e0e0}.weekdays{display:grid;grid-template-columns:repeat(7,1fr);background:#f8f9fa;padding:10px 0;text-align:center;font-weight:600;color:#667eea;border-bottom:1px solid #e0e0e0}.calendar-grid{display:grid;grid-template-columns:repeat(7,1fr);padding:10px;gap:5px}.calendar-day{aspect-ratio:1;display:flex;align-items:center;justify-content:center;cursor:pointer;border-radius:50%;transition:all .2s;font-size:14px;width:40px;margin:0 auto;color:#333}.calendar-day:hover{background:#667eea;color:#fff;transform:scale(1.1)}.calendar-day.selected{background:#764ba2;color:#fff;font-weight:700}.calendar-day.empty{cursor:default}.calendar-day.empty:hover{background:none;transform:none}.calendar-day.today{border:2px solid #667eea;font-weight:700}.month-grid,.year-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;padding:15px;max-height:300px;overflow-y:auto}.month-item,.year-item{padding:15px 5px;text-align:center;cursor:pointer;border-radius:8px;transition:all .2s;background:#f8f9fa;color:#333}.month-item:hover,.year-item:hover{background:#667eea;color:#fff;transform:scale(1.05)}.month-item.selected,.year-item.selected{background:#764ba2;color:#fff}.calendar-footer{padding:15px;border-top:1px solid #e0e0e0;display:flex;justify-content:space-between;background:#f8f9fa}.footer-button{padding:8px 16px;border:none;border-radius:8px;cursor:pointer;font-size:14px;transition:all .2s}.footer-button.today{background:#667eea;color:#fff}.footer-button.today:hover{background:#764ba2}.footer-button.clear{background:#e0e0e0;color:#333}.footer-button.clear:hover{background:#d0d0d0}