/* Date Picker Modal Styles */

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 0;
    transition: opacity 0.3s ease;
    padding: 20px;
}

.modal-overlay.active {
    opacity: 1;
}

.date-picker-modal {
    background: white;
    border-radius: 16px;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

.modal-overlay.active .date-picker-modal {
    transform: scale(1);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid #E5E7EB;
}

.modal-header h3 {
    font-size: 18px;
    font-weight: 600;
    color: #1F2937;
    margin: 0;
}

.btn-close {
    width: 32px;
    height: 32px;
    border: none;
    background: #F3F4F6;
    border-radius: 8px;
    font-size: 18px;
    color: #6B7280;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-close:hover {
    background: #E5E7EB;
    color: #374151;
}

.modal-body {
    padding: 24px;
}

.date-inputs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 24px;
}

.date-input-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.date-input-group label {
    font-size: 14px;
    font-weight: 500;
    color: #374151;
}

.date-input {
    padding: 10px 12px;
    border: 2px solid #E5E7EB;
    border-radius: 8px;
    font-size: 14px;
    color: #1F2937;
    transition: all 0.2s ease;
}

.date-input:focus {
    outline: none;
    border-color: #6366F1;
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.quick-periods {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.quick-period-btn {
    padding: 10px 16px;
    background: #F3F4F6;
    border: 2px solid transparent;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    color: #6B7280;
    cursor: pointer;
    transition: all 0.2s ease;
}

.quick-period-btn:hover {
    background: #E5E7EB;
    color: #374151;
}

.quick-period-btn:active {
    transform: scale(0.98);
}

.modal-footer {
    display: flex;
    gap: 12px;
    padding: 16px 24px;
    border-top: 1px solid #E5E7EB;
}

.btn {
    flex: 1;
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-secondary {
    background: #F3F4F6;
    color: #374151;
}

.btn-secondary:hover {
    background: #E5E7EB;
}

.btn-primary {
    background: linear-gradient(135deg, #6366F1, #8B5CF6);
    color: white;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #5558E3, #7C4DE8);
}

.btn:active {
    transform: scale(0.98);
}

/* Mobile responsiveness */
@media (max-width: 768px) {
    .date-inputs {
        grid-template-columns: 1fr;
    }
    
    .quick-periods {
        grid-template-columns: 1fr;
    }
    
    .modal-footer {
        flex-direction: column-reverse;
    }
    
    .btn {
        width: 100%;
    }
}